:root {
  --bg: #f3f1eb;
  --paper: #fff;
  --paper-warm: #faf9f6;
  --ink: #20231f;
  --muted: #74786f;
  --line: #e4e2da;
  --accent: #2f6b4f;
  --accent-dark: #214e39;
  --accent-soft: #e5efe9;
  --danger: #b8493f;
  --shadow: 0 16px 44px rgba(35, 40, 35, .08);
  --side-width: 330px;
  --date-height: 62px;
  --focus-height: 285px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; width: 100%; height: 100%; overflow: hidden; }
body { color: var(--ink); background: var(--bg); font-family: Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; touch-action: manipulation; }
button, [role="button"] { -webkit-tap-highlight-color: transparent; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 28%, transparent);
  outline-offset: 2px;
}
.hidden { display: none !important; }
.app-shell { height: 100vh; display: flex; flex-direction: column; overflow: hidden; }

.toolbar { position: relative; z-index: 15; min-height: 58px; flex: 0 0 58px; display: flex; align-items: center; gap: 18px; padding: 9px 15px; background: rgba(250,249,246,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.brand { display: flex; align-items: center; gap: 9px; flex: 0 0 auto; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; color: #fff; background: var(--accent); font-weight: 800; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 15px; letter-spacing: .06em; }
.brand small { color: var(--muted); font-size: 9px; }
.primary-nav { min-width: 0; display: flex; gap: 7px; }
.primary-nav .tool-btn { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.tool-glyph { min-width: 17px; font-size: 15px; font-weight: 850; line-height: 1; text-align: center; }
body.compact-toolbar .primary-nav .tool-btn { width: 36px; padding-inline: 0; justify-content: center; }
body.compact-toolbar .primary-nav .tool-label { display: none; }
.toolbar-overflow { position: relative; display: flex; flex-direction: row-reverse; align-items: center; gap: 6px; margin-left: auto; }
.toolbar-review-summary { min-width: 168px; min-height: 36px; margin-left: auto; padding: 5px 10px; display: flex; align-items: center; justify-content: center; gap: 10px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.toolbar-review-summary .date-label { font-size: 11px; }
.toolbar-review-summary .badge-wrap { margin-top: 0; white-space: nowrap; }
.toolbar-review-summary + .toolbar-overflow { margin-left: 0; }
.menu-toggle { width: 38px; height: 36px; padding: 0 0 7px; color: #424840; background: #fff; border: 1px solid var(--line); border-radius: 10px; font-size: 19px; font-weight: 800; letter-spacing: 1px; }
.menu-toggle[aria-expanded="true"] { color: #fff; background: var(--accent); border-color: var(--accent); }
.toolbar-menu { position: static; width: auto; padding: 4px; display: flex; align-items: center; z-index: 40; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 10px 28px rgba(20,28,22,.10); }
.toolbar-menu button { min-height: 32px; display: flex; align-items: center; justify-content: space-between; gap: 7px; padding: 6px 8px; color: var(--ink); background: transparent; border: 0; border-radius: 8px; white-space: nowrap; text-align: left; font-size: 11px; }
.toolbar-menu button:hover { background: var(--accent-soft); }
.toolbar-menu kbd { color: var(--muted); font-size: 9px; }
.menu-divider { width: 1px; height: 22px; margin: 4px; background: var(--line); }
body.toolbar-menu-open .primary-nav .tool-btn { width: 36px; padding-inline: 0; justify-content: center; }
body.toolbar-menu-open .primary-nav .tool-label { display: none; }

.tool-btn, .nav-arrow, .filter-btn, .icon-btn { border: 1px solid var(--line); color: var(--ink); background: #fff; border-radius: 9px; transition: .16s ease; }
.tool-btn:hover, .nav-arrow:hover, .filter-btn:hover, .icon-btn:hover { border-color: #b9c6bd; transform: translateY(-1px); }
.tool-btn { min-height: 35px; padding: 7px 12px; font-size: 12px; font-weight: 680; }
.tool-btn.primary { color: #fff; background: var(--accent); border-color: var(--accent); }
.tool-btn.primary:hover { background: var(--accent-dark); }
.tool-btn.danger { color: #fff; background: var(--danger); border-color: var(--danger); }

.layout-edit-bar { flex: 0 0 46px; display: flex; align-items: center; justify-content: center; gap: 9px; padding: 6px 12px; color: #68450f; background: #fff4d8; border-bottom: 1px solid #ecd7a2; font-size: 12px; }
.event-merge-bar { display: flex; align-items: center; gap: 8px; padding: 8px 14px; background: #fff8e8; border-bottom: 1px solid #ead6a2; font-size: 10px; }
.event-merge-bar input { width: min(300px,32vw); min-height: 34px; padding: 7px 9px; border: 1px solid #d8c79f; border-radius: 8px; background: #fff; }
.event-merge-bar > span { flex: 1; color: var(--muted); }
.merge-strategy-label { display: flex; align-items: center; gap: 5px; color: var(--muted); white-space: nowrap; }
.merge-strategy-label select { min-height: 34px; padding: 6px 8px; border: 1px solid #d8c79f; border-radius: 8px; background: #fff; color: var(--ink); }
.main-layout { flex: 1; min-height: 0; display: grid; grid-template-columns: minmax(430px, 1fr) 4px var(--side-width); gap: 0; padding: 4px; }
.timeline-panel, .focus-card, .review-card { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }
.timeline-panel { min-width: 0; overflow: hidden; }
.timeline-legend { height: 34px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; color: var(--muted); background: var(--paper-warm); border-bottom: 1px solid var(--line); font-size: 10px; font-weight: 800; letter-spacing: .14em; }
.timeline-legend span { text-align: center; }
.timeline-legend span:first-child { border-right: 1px solid var(--line); }
.timeline-scroll { width: 100%; height: calc(100% - 34px); overflow: auto; background: #fff; scrollbar-width: thin; }
#timelineCanvas { display: block; width: 100%; }
#timelineCanvas.selecting { cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20'%3E%3Ccircle cx='10' cy='10' r='5' fill='white' fill-opacity='.94' stroke='%23356957' stroke-width='1.5'/%3E%3Ccircle cx='10' cy='10' r='1.5' fill='%23356957'/%3E%3Cpath d='M10 1v3M10 16v3M1 10h3M16 10h3' stroke='white' stroke-width='3' stroke-linecap='round'/%3E%3Cpath d='M10 1v3M10 16v3M1 10h3M16 10h3' stroke='%23356957' stroke-width='1' stroke-linecap='round'/%3E%3C/svg%3E") 10 10, crosshair; }

.side-panel { min-width: 260px; min-height: 0; display: grid; grid-template-rows: max-content 4px minmax(160px, 1fr); overflow-y: auto; align-content: start; }
.nav-arrow { width: 34px; height: 32px; padding: 0; }
.date-panel { min-width: 0; padding: 0 5px; color: var(--ink); background: transparent; border: 0; text-align: center; }
.date-label { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; font-weight: 760; }
.badge-wrap { display: inline-flex; align-items: center; gap: 5px; margin-top: 3px; color: var(--muted); font-size: 10px; }
.badge { min-width: 18px; height: 18px; padding: 0 5px; display: grid; place-items: center; color: #fff; background: var(--danger); border-radius: 99px; font-size: 9px; font-weight: 800; }
.focus-card { min-height: max(180px, var(--focus-height)); padding: 8px; overflow: visible; }
.focus-heading-actions { display: flex; align-items: center; gap: 6px; }
.focus-heading-actions .eye-btn { position: static; width: 29px; height: 29px; }
.focus-card.collapsed { min-height: 0; overflow: hidden; }
.focus-card.collapsed #focusBody { display: none; }
.focus-card.running .subject-list, .focus-card.running .focus-controls { display: none; }
.review-card { min-height: 0; display: flex; flex-direction: column; overflow: hidden; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.section-heading h2, .review-header h2, .modal-header h3 { margin: 0; }
.section-heading h2, .review-header h2 { font-size: 16px; }
.eyebrow { display: block; margin-bottom: 2px; color: var(--accent); font-size: 8px; font-weight: 850; letter-spacing: .18em; }
.status-pill { padding: 4px 8px; color: var(--muted); background: #f1f1ed; border-radius: 999px; font-size: 9px; font-weight: 750; }
.status-pill.running { color: #fff; background: var(--accent); }
.subject-list { display: flex; gap: 6px; margin: 11px 0; overflow-x: auto; scrollbar-width: thin; }
.subject-btn { flex: 0 0 auto; padding: 6px 10px; border: 1px solid var(--subject-color, var(--line)); border-radius: 99px; color: #343832; background: #fff; font-size: 11px; font-weight: 680; }
.subject-btn:disabled { opacity: .5; }
.focus-controls { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 7px; }
.focus-controls label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 10px; }
.focus-controls select, .focus-controls input { width: 100%; min-height: 34px; padding: 6px 8px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.focus-timer-inline { display: flex; gap: 4px; }
.focus-timer-inline > select, .focus-timer-inline > span { min-width: 0; flex: 1; }
.focus-timer-inline span select, .focus-timer-inline span input { height: 100%; }
.focus-clock { margin-top: 12px; font-variant-numeric: tabular-nums; font-size: 31px; font-weight: 780; line-height: 1; letter-spacing: .035em; }
.focus-subject-label { min-height: 16px; margin: 6px 0 9px; color: var(--muted); font-size: 11px; }
.focus-live-note { width: 100%; min-height: 52px; margin-bottom: 8px; padding: 8px; resize: vertical; color: var(--ink); background: #fafbf9; border: 1px solid var(--line); border-radius: 8px; font-size: 10px; line-height: 1.5; }
.focus-running-actions { display: flex; gap: 7px; }
.focus-running-actions .tool-btn { flex: 1; }
.focus-stop { color: #fff; background: #313a34; border-color: #313a34; }
.review-header { padding: 9px 10px; border-bottom: 1px solid var(--line); }
.review-heading-row { display: flex; align-items: center; gap: 7px; }
.review-heading-row > div:first-child { flex: 0 1 auto; }
.review-heading-row .filter-row { min-width: 0; flex: 1; justify-content: flex-end; }
.review-list-summary { padding-bottom: 2px; color: var(--muted); font-size: 9px; }
.filter-row { display: flex; gap: 4px; margin-top: 0; }
.filter-btn { padding: 4px 8px; color: var(--muted); font-size: 10px; }
.filter-btn.active { color: var(--accent); background: var(--accent-soft); border-color: #c8dbcf; }
.review-fullscreen-btn { width: 30px; height: 30px; flex: 0 0 30px; font-size: 15px; }
.review-card.fullscreen { position: fixed; inset: 12px; z-index: 95; min-height: 0; background: #fff; box-shadow: 0 30px 100px rgba(20,25,21,.3); }
.review-card.fullscreen .review-header h2 { font-size: 18px; }
.review-card.fullscreen .review-list { padding: 12px; }
.review-list { flex: 1; min-height: 0; overflow: auto; padding: 7px; scrollbar-width: thin; }
.review-empty { padding: 24px 8px; color: var(--muted); text-align: center; font-size: 11px; }
.review-group { margin-bottom: 10px; }
.review-group:last-child { margin-bottom: 0; }
.review-group-heading { position: sticky; top: -7px; z-index: 2; display: flex; align-items: center; justify-content: space-between; padding: 7px 5px 6px; color: var(--muted); background: rgba(247,247,243,.94); backdrop-filter: blur(5px); font-size: 9px; }
.review-group-name { color: var(--review-group-color); font-size: 11px; font-weight: 850; }
.review-group-name::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 5px; background: var(--review-group-color); border-radius: 50%; }
.review-item { padding: 10px; margin-bottom: 6px; background: #fff; border: 1px solid var(--line); border-left: 3px solid color-mix(in srgb, var(--review-group-color) 68%, white); border-radius: 10px; }
.review-item:last-child { margin-bottom: 0; }
.review-item.done, .review-item.abandoned { opacity: .48; }
.review-topline { display: flex; align-items: center; justify-content: space-between; gap: 7px; }
.review-meta { color: var(--muted); font-size: 9px; }
.review-important { color: #a56525; font-size: 9px; font-weight: 800; }
.review-title, .review-title-button { display: block; margin-top: 7px; font-size: 12px; line-height: 1.45; }
.review-title-button { width: 100%; padding: 0; color: var(--ink); background: transparent; border: 0; text-align: left; font-weight: 800; }
.review-title-button:hover { color: var(--accent); }
.review-location { margin-top: 3px; color: #667069; font-size: 10px; }
.review-location::before { content: "定位 · "; color: #9aa09a; }
.review-tags { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 5px; }
.review-tags > span { padding: 2px 6px; color: #607069; background: #f2f4f1; border-radius: 99px; font-size: 8px; }
.review-summary { margin-top: 5px; color: var(--muted); font-size: 10px; line-height: 1.45; }
.review-leftover, .review-suggestion { display: grid; grid-template-columns: 29px 1fr; gap: 5px; margin-top: 6px; padding: 6px 7px; border-radius: 7px; font-size: 9px; line-height: 1.45; }
.review-leftover { color: #8d513b; background: #fff4ee; }
.review-suggestion { color: #466457; background: #eef6f0; }
.review-leftover b, .review-suggestion b { font-size: 8px; }
.mastery-badge { flex: 0 0 auto; padding: 2px 6px; border-radius: 99px; background: #f0f1ed; font-size: 8px; }
.mastery-weak { color: #a63e35; background: #fff0ee; }
.mastery-partial { color: #9a651e; background: #fff6df; }
.mastery-mastered { color: #2f6b4f; background: #e8f4ec; }
.review-actions { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 8px; }
.review-actions button { min-height: 27px; padding: 4px 7px; font-size: 9px; }

.layout-resize-handle { position: relative; z-index: 5; }
.layout-resize-handle::after { content: ""; position: absolute; border-radius: 99px; opacity: 0; transition: .15s; }
.layout-resize-handle.vertical { cursor: col-resize; }
.layout-resize-handle.vertical::after { inset: 12px 2px; background: var(--accent); }
.layout-resize-handle.horizontal { cursor: row-resize; }
.layout-resize-handle.horizontal::after { inset: 2px 12px; background: var(--accent); }
body:not(.layout-editing) .layout-resize-handle { pointer-events: none; }
.layout-editing .layout-resize-handle:hover::after, .layout-editing .layout-resize-handle.dragging::after { opacity: 1; }
.layout-editing .layout-region { outline: 1px dashed rgba(47,107,79,.38); outline-offset: -4px; }

.modal { position: fixed; inset: 0; z-index: 110; display: grid; place-items: center; padding: 14px; background: rgba(24,28,24,.46); backdrop-filter: blur(5px); }
.input-dialog-modal { z-index: 130; }
.form-error { color: #a5362a; font-size: 13px; min-height: 1.4em; margin-bottom: 0; }
.daily-report-preview { display: block; max-width: 100%; height: auto; margin: 0 auto; }
#dailyReportDownload { text-decoration: none; }
.modal-card { width: min(730px, 96vw); max-height: 94vh; display: flex; flex-direction: column; overflow: hidden; background: #fff; border-radius: 17px; box-shadow: 0 30px 90px rgba(20,25,21,.25); }
.modal-card.compact-card { width: min(520px, 96vw); }
.modal-card.settings-card { width: min(900px, 96vw); }
.modal-card.calendar-card { width: min(1050px, 97vw); }
.modal-card.module-card { width: min(1180px, 98vw); height: min(880px, 95vh); }
.modal-header, .modal-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 13px 16px; }
.modal-header { border-bottom: 1px solid var(--line); }
.modal-header-actions, .period-switcher { display: flex; align-items: center; gap: 7px; }
.period-switcher { padding: 3px; background: var(--paper-warm); border: 1px solid var(--line); border-radius: 10px; }
.period-switcher .icon-btn { width: 29px; height: 29px; font-size: 22px; }
.period-switcher strong { min-width: 94px; color: var(--ink); text-align: center; font-size: 12px; font-variant-numeric: tabular-nums; }
.modal-footer { justify-content: flex-end; border-top: 1px solid var(--line); }
.modal-body { padding: 15px 16px; overflow: auto; }
.icon-btn { width: 33px; height: 33px; padding: 0; font-size: 19px; }

.event-grid, .settings-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.event-grid label, .settings-grid label, .block-label { display: flex; flex-direction: column; gap: 5px; color: var(--muted); font-size: 11px; }
.event-grid input, .event-grid select, .event-grid textarea, .settings-grid input, .settings-grid select, .block-label input, .block-label textarea, .block-label select { width: 100%; min-height: 38px; padding: 8px 9px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.event-grid textarea { resize: vertical; }
input[type="color"] { padding: 3px !important; }
input[type="range"] { min-height: 26px !important; padding: 0 !important; border: 0 !important; }
.span-2 { grid-column: span 2; }
.time-preview { padding: 11px 13px; display: flex; align-items: center; justify-content: space-between; background: var(--accent-soft); border-radius: 10px; }
.time-preview span { color: var(--muted); font-size: 10px; }
.time-preview strong { color: var(--accent-dark); font-size: 17px; }
.advanced-fields, .event-section { border: 1px solid var(--line); border-radius: 9px; }
.advanced-fields summary, .event-section summary { padding: 10px 11px; color: var(--muted); cursor: pointer; font-size: 11px; font-weight: 750; }
.event-section[open] summary { color: var(--accent-dark); background: var(--accent-soft); border-radius: 9px 9px 0 0; }
.event-section-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; padding: 11px; }
.event-section-grid label { display: flex; flex-direction: column; gap: 5px; color: var(--muted); font-size: 11px; }
.event-section-grid input, .event-section-grid select, .event-section-grid textarea { width: 100%; min-height: 38px; padding: 8px 9px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.time-input-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; padding: 0 11px 11px; }
.time-inline { display: flex; align-items: center; gap: 5px; }
.time-inline input { text-align: center; min-width: 0; }
.action-type-field { margin: 0; padding: 9px 10px 10px; border: 1px solid var(--line); border-radius: 9px; }
.action-type-field legend { padding: 0 5px; color: var(--muted); font-size: 11px; }
.action-type-options { display: flex; gap: 7px; flex-wrap: wrap; }
.action-type-options label, .event-flags label { width: auto; min-height: 0; flex-direction: row; align-items: center; gap: 5px; padding: 5px 8px; color: var(--ink); background: var(--paper-warm); border: 1px solid var(--line); border-radius: 99px; }
.action-type-options input, .event-flags input { width: auto; min-height: 0; margin: 0; }
.action-type-options svg, .immersion-action-picker svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.action-type-radio label:has(input:checked) { color: var(--accent-dark); background: var(--accent-soft); border-color: color-mix(in srgb,var(--accent) 55%,var(--line)); box-shadow: inset 0 0 0 1px rgba(47,107,79,.08); }
.action-type-radio input { accent-color: var(--accent); }
.event-flags { display: flex; gap: 8px; }
.settings-body { display: grid; gap: 10px; }
.settings-body section { padding: 13px; background: var(--paper-warm); border: 1px solid var(--line); border-radius: 11px; }
.settings-body h4 { margin: 0 0 10px; }
.settings-note { margin: 8px 0 0; color: var(--muted); font-size: 10px; }
.block-label { margin-top: 10px; }
.block-label textarea { resize: vertical; }
.check-row { display: flex; gap: 18px; margin-top: 10px; color: var(--muted); font-size: 11px; }
.check-row label { display: flex; align-items: center; gap: 6px; }
.danger-zone { display: flex; align-items: center; justify-content: space-between; border-color: #eed2ce !important; background: #fff8f7 !important; }
.danger-zone h4 { color: var(--danger); }
.danger-zone p { margin: 0; color: var(--muted); font-size: 10px; }
.focus-summary { padding: 11px 12px; color: var(--accent-dark); background: var(--accent-soft); border-radius: 9px; font-weight: 750; }
.focus-progress-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; margin-top: 11px; }
.focus-progress-grid label { display: flex; flex-direction: column; gap: 5px; color: var(--muted); font-size: 11px; }
.focus-progress-grid input { width: 100%; min-height: 38px; padding: 8px 9px; border: 1px solid var(--line); border-radius: 8px; }

.plan-reminder-modal { z-index: 120; background: rgba(18,28,22,.58); }
.plan-reminder-card { position: relative; width: min(560px,94vw); overflow: hidden; }
.plan-reminder-accent { height: 5px; background: var(--plan-color,var(--accent)); }
.plan-reminder-body { display: grid; grid-template-columns: 48px 1fr; gap: 12px; padding: 20px; }
.plan-reminder-icon { display: grid; place-items: center; width: 44px; height: 44px; color: #fff; background: var(--plan-color,var(--accent)); border-radius: 13px; box-shadow: 0 8px 24px color-mix(in srgb,var(--plan-color,var(--accent)) 28%,transparent); font-size: 18px; }
.plan-reminder-copy h3 { margin: 3px 0 5px; font-size: 22px; }
.plan-reminder-copy p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.55; }
.plan-reminder-event { grid-column: span 2; padding: 14px; background: color-mix(in srgb,var(--plan-color,var(--accent)) 7%,white); border: 1px solid color-mix(in srgb,var(--plan-color,var(--accent)) 20%,white); border-radius: 12px; }
.plan-reminder-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.plan-reminder-subject { padding: 3px 7px; color: var(--plan-color,var(--accent)); background: #fff; border-left: 3px solid var(--plan-color,var(--accent)); border-radius: 5px; font-size: 10px; font-weight: 850; }
.plan-reminder-top strong { font-variant-numeric: tabular-nums; font-size: 11px; }
.plan-reminder-event h4 { margin: 10px 0 7px; font-size: 17px; }
.plan-reminder-tags { display: flex; gap: 5px; flex-wrap: wrap; }
.plan-reminder-tags span { padding: 3px 7px; color: #53685b; background: #fff; border-radius: 99px; font-size: 9px; }
.plan-reminder-location { margin: 8px 0 0; color: var(--muted); font-size: 10px; }
.plan-reminder-actions { flex-wrap: wrap; }
.plan-reminder-actions .primary { min-width: 150px; }

.review-detail-card { width: min(920px,96vw); }
.review-detail-body { display: grid; grid-template-columns: .82fr 1.18fr; gap: 12px; background: #f7f7f3; }
.review-detail-section { padding: 14px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.review-detail-section.history { grid-column: span 2; }
.review-detail-section-title { display: flex; align-items: center; gap: 8px; margin-bottom: 11px; }
.review-detail-section-title span { display: grid; place-items: center; width: 25px; height: 25px; color: var(--accent); background: var(--accent-soft); border-radius: 7px; font-size: 9px; font-weight: 850; }
.review-detail-section-title h4 { margin: 0; font-size: 13px; }
.review-detail-hero { padding: 11px 12px; color: var(--detail-color); background: color-mix(in srgb,var(--detail-color) 9%,white); border-left: 4px solid var(--detail-color); border-radius: 8px; }
.review-detail-hero span, .review-detail-hero strong { display: block; }
.review-detail-hero span { font-size: 10px; }
.review-detail-hero strong { margin-top: 4px; color: var(--ink); font-size: 13px; }
.review-detail-facts { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px; margin-top: 9px; }
.review-detail-facts div { padding: 8px; background: var(--paper-warm); border-radius: 7px; }
.review-detail-facts span, .review-detail-facts b { display: block; }
.review-detail-facts span { color: var(--muted); font-size: 8px; }
.review-detail-facts b { margin-top: 3px; font-size: 10px; }
.review-start-point { display: flex; flex-direction: column; gap: 5px; margin-top: 9px; color: var(--muted); font-size: 9px; }
.review-start-point input { width: 100%; min-height: 36px; padding: 7px 8px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.review-learning-title { margin-bottom: 10px; font-size: 18px; font-weight: 850; }
.review-detail-content dl { display: grid; gap: 7px; margin: 0; }
.review-detail-content dl div { display: grid; grid-template-columns: 64px 1fr; gap: 8px; padding-bottom: 7px; border-bottom: 1px solid #eeeee9; }
.review-detail-content dl div:last-child { padding-bottom: 0; border-bottom: 0; }
.review-detail-content dt { color: var(--muted); font-size: 9px; }
.review-detail-content dd { margin: 0; font-size: 10px; line-height: 1.55; }
.review-detail-content dd.has-leftover { color: #934d37; }
.review-history-list { display: grid; grid-template-columns: repeat(auto-fit,minmax(180px,1fr)); gap: 8px; }
.review-history-item { display: grid; grid-template-columns: 25px 1fr; gap: 8px; padding: 9px; background: var(--paper-warm); border: 1px solid transparent; border-radius: 9px; }
.review-history-item.current { border-color: #a9c9b5; box-shadow: inset 0 0 0 1px #d5e5da; }
.review-history-icon { display: grid; place-items: center; width: 23px; height: 23px; color: #657069; background: #e8eae6; border-radius: 50%; font-weight: 900; }
.review-history-item.completed .review-history-icon { color: #fff; background: #43815f; }
.review-history-item.abandoned .review-history-icon { color: #fff; background: #a85349; }
.review-history-item.overdue .review-history-icon { color: #fff; background: #b77636; }
.review-history-item strong, .review-history-item span { display: block; }
.review-history-item strong { font-size: 10px; }
.review-history-item div > span { margin-top: 2px; color: var(--muted); font-size: 8px; }
.review-history-item p { margin: 5px 0 0; color: #58625c; font-size: 9px; line-height: 1.4; }

.calendar-toolbar { display: flex; align-items: center; justify-content: center; gap: 16px; padding: 10px; }
.calendar-heat-legend { min-height: 27px; display: flex; align-items: center; justify-content: center; gap: 5px; padding: 0 10px 7px; color: #536158; font-size: 9px; white-space: nowrap; }
.calendar-heat-legend > span:first-child { margin-right: 3px; color: #333; font-weight: 700; }
.calendar-heat-legend small { margin-left: 3px; color: var(--muted); font-size: 8px; }
.calendar-heat-scale { display: inline-grid; grid-template-columns: repeat(10,10px); gap: 2px; }
.calendar-heat-scale i { width: 10px; height: 10px; border: 1px solid rgba(18,87,48,.14); border-radius: 2px; background: var(--heat-color); }
.month-calendar { flex: 1; min-height: 0; display: grid; grid-template-columns: repeat(7,minmax(0,1fr)); grid-template-rows: 34px repeat(6,minmax(105px,1fr)); gap: 1px; overflow: auto; background: var(--line); border-top: 1px solid var(--line); }
.calendar-weekday, .calendar-day { background: #fff; }
.calendar-weekday { min-height: 30px; display: grid; place-items: center; color: var(--muted); font-size: 10px; font-weight: 750; }
.calendar-day { min-width: 0; min-height: 0; display: flex; flex-direction: column; align-items: stretch; overflow: hidden; padding: 7px; border: 0; appearance: none; color: inherit; text-align: left; }
.calendar-day.outside { background: #fafaf8; opacity: .45; }
.calendar-day.today { box-shadow: inset 0 0 0 2px var(--accent); }
.calendar-day-number { flex: 0 0 auto; font-size: 11px; font-weight: 780; }
.calendar-day-summary { flex: 0 0 auto; margin-top: 4px; color: var(--accent); font-size: 9px; }
.calendar-day-events { min-height: 0; max-height: 72px; overflow: auto; scrollbar-width: thin; }
.calendar-event { min-width: 0; margin-top: 3px; display: flex; align-items: center; gap: 4px; overflow: hidden; white-space: nowrap; color: var(--muted); font-size: 9px; }
.calendar-event-label { min-width: 0; flex: 1; overflow: hidden; text-overflow: ellipsis; }
.calendar-event-duration { flex: 0 0 auto; color: var(--accent); font-variant-numeric: tabular-nums; font-weight: 750; }

.module-toolbar { min-height: 50px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 15px; border-bottom: 1px solid var(--line); }
.subject-filter-list { display: flex; gap: 6px; flex-wrap: wrap; }
.subject-filter { display: flex; flex: 0 0 auto; align-items: center; gap: 4px; white-space: nowrap; padding: 5px 8px; border: 1px solid var(--line); border-radius: 99px; font-size: 10px; }
.module-toolbar select { padding: 7px 9px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.stats-controls, .stats-custom-range { display: flex; align-items: center; gap: 7px; }
.stats-controls { flex: 0 0 auto; }
.stats-controls label { display: flex; align-items: center; gap: 5px; color: var(--muted); white-space: nowrap; font-size: 9px; }
.stats-custom-range input { min-height: 33px; padding: 6px 7px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 8px; font-size: 10px; }
.stats-custom-range span { color: var(--muted); font-size: 9px; }
.stats-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; background: #f6f5f1; }
.stat-card { position: relative; min-width: 0; padding: 14px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.stat-card h4 { margin: 0 0 12px; font-size: 12px; }
.chart-card { grid-column: span 2; }
.chart-card canvas { width: 100%; height: 220px; display: block; }
.metric-row { display: flex; gap: 28px; }
.metric-row div { display: flex; flex-direction: column; gap: 3px; }
.metric-row strong { font-size: 25px; }
.metric-row span { color: var(--muted); font-size: 9px; }
.eye-btn { position: absolute; top: 8px; right: 9px; color: #aab0aa; background: transparent; border: 0; }
.stat-card.stat-hidden > :not(.eye-btn) { opacity: .08; }

.subjects-layout { flex: 1; min-height: 0; display: grid; grid-template-columns: 220px 1fr; }
.subjects-sidebar { padding: 12px; overflow: auto; background: var(--paper-warm); border-right: 1px solid var(--line); }
.subjects-sidebar > .tool-btn { width: 100%; }
.subjects-list { display: grid; gap: 5px; margin-top: 10px; }
.subject-list-item { width: 100%; padding: 9px 10px; display: flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--line); border-radius: 9px; text-align: left; font-size: 11px; }
.subject-list-item.active { color: var(--accent-dark); background: var(--accent-soft); border-color: #c4d9cb; }
.subject-dot { width: 9px; height: 9px; flex: 0 0 auto; border-radius: 99px; background: var(--subject-color); }
.subject-detail { min-height: 0; overflow: auto; padding: 15px; }
.subject-detail-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.subject-section { padding: 13px; background: #fff; border: 1px solid var(--line); border-radius: 11px; }
.subject-section.wide { grid-column: span 2; }
.subject-section h4 { margin: 0 0 10px; font-size: 12px; }
.subject-style-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; }
.subject-style-grid label { color: var(--muted); font-size: 10px; }
.subject-style-grid input, .subject-style-grid select { width: 100%; margin-top: 4px; padding: 6px; border: 1px solid var(--line); border-radius: 7px; }
.hierarchy-row { display: grid; grid-template-columns: 1fr 1fr auto auto; gap: 6px; margin-top: 6px; }
.hierarchy-row input { min-width: 0; padding: 6px; border: 1px solid var(--line); border-radius: 7px; }
.mini-calendar { display: grid; grid-template-columns: repeat(7,1fr); gap: 5px 3px; }
.mini-day-cell { min-width: 0; text-align: center; }
.mini-day-cell small { display: block; min-height: 10px; margin-top: 2px; overflow: hidden; color: var(--muted); font-size: 7px; white-space: nowrap; }
.mini-day { width: 20px; height: 20px; margin: 0 auto; display: grid; place-items: center; border: 1px solid #eee; border-radius: 99px; color: var(--muted); font-size: 8px; }
.subject-metrics { display: grid; grid-template-columns: repeat(3,1fr); gap: 7px; }
.subject-metric { padding: 9px; background: var(--paper-warm); border-radius: 8px; }
.subject-metric strong, .subject-metric span { display: block; }
.subject-metric strong { font-size: 17px; }
.subject-metric span { color: var(--muted); font-size: 8px; }
.year-heatmap { display: grid; grid-template-columns: repeat(auto-fit,minmax(154px,1fr)); gap: 10px; }
.heat-month strong { display: block; margin-bottom: 4px; color: var(--muted); font-size: 8px; }
.heat-month-days { display: grid; grid-template-columns: repeat(7,1fr); gap: 2px; }
.heat-dot { width: 20px; height: 20px; margin: 0 auto; border: 1px solid #eee; border-radius: 99px; background: #fff; }
.subject-records { max-height: 280px; overflow: auto; }
.subject-record { padding: 7px 0; border-bottom: 1px solid var(--line); font-size: 10px; }
.subject-record { width: 100%; color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid var(--line); text-align: left; }
.subject-record:hover { color: var(--accent); background: #f7faf8; }

.settings-inline-action { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 10px; color: var(--muted); font-size: 10px; }
.file-picker { min-height: 35px; display: inline-flex; align-items: center; padding: 7px 12px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 9px; cursor: pointer; font-size: 12px; font-weight: 680; }
.calendar-event { position: relative; padding-left: 10px; }
.calendar-event::before { content: ""; position: absolute; left: 1px; top: .45em; width: 6px; height: 6px; background: var(--calendar-event-color,#aeb5ae); border-radius: 50%; }

.event-detail-card { width: min(900px,94vw); }
.event-detail-body { display: grid; grid-template-columns: 1.05fr .95fr; gap: 12px; max-height: 72vh; overflow: auto; }
.event-detail-hero { grid-column: 1 / -1; padding: 16px 18px; color: #fff; background: linear-gradient(135deg,var(--event-color,#527a64),color-mix(in srgb,var(--event-color,#527a64) 62%,#17251d)); border-radius: 14px; }
.event-detail-hero span { display: block; opacity: .76; font-size: 10px; }
.event-detail-hero h4 { margin: 6px 0; font-size: 22px; }
.event-detail-hero p { margin: 0; opacity: .96; font-size: 14px; line-height: 1.5; }
.event-detail-hero small { display: block; margin-top: 8px; opacity: .82; font-size: 10px; }
.event-detail-section { min-width: 0; padding: 14px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.event-detail-section.wide { grid-column: 1 / -1; }
.event-detail-section h4 { margin: 0 0 10px; font-size: 13px; }
.event-detail-section h4 span { margin-left: 5px; color: var(--muted); font-size: 9px; font-weight: 500; }
.event-detail-facts { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
.event-detail-facts div { padding: 8px; background: var(--paper-warm); border-radius: 8px; }
.event-detail-facts span, .event-detail-facts b { display: block; }
.event-detail-facts span { color: var(--muted); font-size: 8px; }
.event-detail-facts b { margin-top: 3px; overflow-wrap: anywhere; font-size: 10px; }
.review-schedule-list { display: grid; gap: 6px; }
.review-schedule-row { display: grid; grid-template-columns: 38px 1fr auto; align-items: center; gap: 8px; padding: 7px 9px; background: #f5f7f4; border-radius: 8px; font-size: 9px; }
.review-schedule-row .status { color: var(--muted); }
.review-schedule-row.completed { color: var(--accent); background: #edf6ef; }
.review-schedule-row.abandoned { opacity: .58; text-decoration: line-through; }
.learning-notes { width: 100%; min-height: 120px; padding: 10px; resize: vertical; border: 1px solid var(--line); border-radius: 9px; line-height: 1.6; }
.detail-section-actions { display: flex; gap: 7px; margin-top: 9px; }
.detail-leftover { padding: 10px; color: #804d38; background: #fff3ed; border-radius: 9px; line-height: 1.55; font-size: 10px; }
.detail-leftover.resolved { color: #466457; background: #edf6ef; text-decoration: line-through; }


.leftover-list { display: grid; gap: 9px; margin-top: 10px; }
.leftover-item { display: grid; grid-template-columns: 7px 1fr auto; gap: 10px; padding: 12px; border: 1px solid var(--line); border-radius: 11px; }
.leftover-item::before { content: ""; background: var(--leftover-color,#6b7a72); border-radius: 99px; }
.leftover-item h4 { margin: 0 0 4px; font-size: 12px; }
.leftover-item p { margin: 0; color: #754b3a; font-size: 10px; line-height: 1.55; }
.leftover-item small { display: block; margin-top: 5px; color: var(--muted); }
.leftover-item.resolved { opacity: .58; }
.leftover-item.resolved p { text-decoration: line-through; }
.leftover-actions { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; }

.immersion-backdrop.theme-custom { background: #eef2ef center / cover no-repeat; }
.immersion-countdown { font-size: var(--countdown-size,28px); font-weight: 850; letter-spacing: -.02em; }
.immersion-countdown.position-top { position: fixed; top: 32px; left: 50%; transform: translateX(-50%); }
.immersion-countdown.position-bottom { position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%); }

.context-menu { position: fixed; z-index: 70; min-width: 145px; max-height: calc(100vh - 16px); overflow-y: auto; padding: 5px; background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); }
.context-menu button { width: 100%; padding: 8px; color: var(--ink); background: transparent; border: 0; border-radius: 7px; text-align: left; font-size: 11px; }
.context-menu button:hover { background: var(--accent-soft); }
.context-menu button.primary { color: var(--accent-dark); font-weight: 800; }
.context-menu button.danger { color: var(--danger); }
.timeline-tooltip { position: fixed; z-index: 69; max-width: min(420px,86vw); max-height: calc(100vh - 16px); overflow: hidden; padding: 8px 10px; color: #fff; background: rgba(24,31,27,.94); border-radius: 8px; box-shadow: var(--shadow); font-size: 11px; line-height: 1.45; pointer-events: none; white-space: normal; }

.immersion-overlay { position: fixed; inset: 0; z-index: 100; display: grid; place-items: start center; overflow-y: auto; color: #1f2924; background: #fff; }
.immersion-backdrop { position: absolute; inset: 0; opacity: var(--immersion-opacity,.75); transition: .3s; }
.immersion-backdrop.theme-plain { background: #fff; }
.immersion-backdrop.theme-landscape { background: radial-gradient(circle at 20% 20%,#f8e2b7,transparent 30%),linear-gradient(160deg,#cbe4d4,#8ebaa5 48%,#557d68); }
.immersion-backdrop.theme-anime { background: radial-gradient(circle at 70% 30%,#fff5d9,transparent 24%),linear-gradient(145deg,#bddcf3,#f2cce0 58%,#ffe5b9); }
.immersion-backdrop.theme-star { background: radial-gradient(circle at 20% 30%,#fff 0 1px,transparent 2px),radial-gradient(circle at 70% 55%,#fff 0 1px,transparent 2px),linear-gradient(145deg,#11162f,#27305b 55%,#080b1c); background-size: 75px 75px,105px 105px,auto; }
.immersion-backdrop.theme-sky { background: linear-gradient(#91c9ee,#eaf7ff 65%,#fefefe); }
.immersion-backdrop.theme-pet { background: radial-gradient(circle at 30% 45%,#fff8e9 0 9%,transparent 10%),radial-gradient(circle at 62% 35%,#fff 0 7%,transparent 8%),linear-gradient(140deg,#f3d8bd,#d6b392); }
.immersion-window-actions { position: absolute; top: 18px; right: 18px; z-index: 3; display: flex; gap: 7px; }
.immersion-exit, .immersion-window-btn { position: static; width: 39px; height: 39px; padding: 0; color: inherit; background: rgba(255,255,255,.7); border: 1px solid rgba(0,0,0,.12); border-radius: 10px; font-size: 20px; }
.immersion-content { position: relative; z-index: 2; width: min(740px,90vw); padding: 66px 24px 20px; text-align: center; text-shadow: 0 1px 18px rgba(255,255,255,.7); }
.immersion-mode { padding: 6px 11px; background: rgba(255,255,255,.64); border-radius: 99px; font-size: 11px; letter-spacing: .12em; }
.immersion-clock { margin: 12px 0 8px; font-size: clamp(38px,6vw,64px); font-weight: 260; font-variant-numeric: tabular-nums; letter-spacing: -.04em; }
.immersion-subject { font-size: 17px; font-weight: 750; }
.immersion-content.review-session { width: min(880px,92vw); padding-top: 25px; padding-bottom: 25px; }
.review-session .immersion-clock { margin-top: 16px; font-size: clamp(38px,6vw,64px); }
.immersion-review-card { max-width: 720px; margin: 18px auto 0; padding: 16px 18px; background: rgba(255,255,255,.78); border: 1px solid rgba(42,66,52,.15); border-radius: 14px; box-shadow: 0 15px 48px rgba(28,48,36,.12); text-align: left; text-shadow: none; backdrop-filter: blur(12px); }
.immersion-input-card { width: min(720px,90vw); margin: 18px auto 0; padding: 13px; color: #24342b; background: rgba(255,255,255,.78); border: 1px solid rgba(42,66,52,.18); border-radius: 13px; box-shadow: 0 10px 35px rgba(28,48,36,.08); text-align: left; text-shadow: none; backdrop-filter: blur(12px); }
.immersion-input-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 9px; }
.immersion-input-heading strong { font-size: 12px; }
.immersion-input-heading span { color: #68756d; font-size: 9px; }
.immersion-input-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px; }
.immersion-input-grid label { min-width: 0; display: flex; flex-direction: column; gap: 5px; color: #344b3e; font-size: 13px; font-weight: 650; }
.immersion-input-grid label.wide { grid-column: 1 / -1; }
.immersion-input-grid input, .immersion-input-grid select, .immersion-input-grid textarea { width: 100%; min-height: 40px; padding: 9px 10px; color: #172c20; background: #fff; border: 1px solid #b8c9bd; border-radius: 8px; resize: vertical; font-size: 16px; line-height: 1.5; opacity: 1; font-weight: 500; }
.immersion-review-top { display: flex; justify-content: space-between; gap: 8px; color: #637168; font-size: 9px; }
.immersion-review-card h3 { margin: 8px 0 7px; font-size: 21px; }
.immersion-review-tags { display: flex; gap: 5px; flex-wrap: wrap; }
.immersion-review-tags span { padding: 3px 7px; color: #476151; background: #edf4ef; border-radius: 99px; font-size: 9px; }
.immersion-review-leftover, .immersion-review-advice { margin-top: 9px; padding: 8px 9px; border-radius: 8px; font-size: 10px; line-height: 1.55; }
.immersion-review-leftover { color: #8e4e39; background: #fff1eb; }
.immersion-review-advice { color: #365b46; background: #edf6ef; }
.immersion-review-leftover b, .immersion-review-advice b { display: block; margin-bottom: 2px; font-size: 8px; }
.immersion-countdown { margin-top: 18px; }
.immersion-quote { margin: 32px auto; max-width: 620px; font-family: Georgia,"Songti SC",serif; font-size: 19px; line-height: 1.8; }
.immersion-stop { padding: 11px 21px; color: #fff; background: rgba(30,43,35,.86); border: 0; border-radius: 10px; }

@media (max-width: 900px) {
  :root { --side-width: 290px; }
  .brand small, #editLayoutBtn { display: none; }
  .tool-btn { padding-inline: 9px; }
  .toolbar-review-summary { min-width: 132px; }
}
@media (max-width: 720px) {
  :root {
    --mobile-nav-height: 68px;
    --shadow: 0 10px 28px rgba(35,40,35,.07);
  }
  html, body { height: 100%; min-height: 0; overflow: hidden; }
  body { padding-bottom: 0; }
  .app-shell { height: calc(100dvh - var(--mobile-nav-height) - env(safe-area-inset-bottom)); min-height: 0; padding-top: 56px; overflow: hidden; }
  .toolbar {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 45;
    min-height: 56px;
    flex-basis: 56px;
    gap: 10px;
    padding: 8px max(12px, env(safe-area-inset-right)) 8px max(12px, env(safe-area-inset-left));
    box-shadow: 0 5px 20px rgba(35,40,35,.06);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  .brand { gap: 8px; }
  .brand-mark { width: 36px; height: 36px; border-radius: 11px; }
  .brand strong { font-size: 14px; }
  .brand small { display: none; }
  .primary-nav {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 80;
    min-width: 0;
    height: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom));
    display: grid;
    grid-template-columns: repeat(4,minmax(0,1fr));
    gap: 3px;
    padding: 7px max(7px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(7px,env(safe-area-inset-left));
    background: rgba(255,255,255,.96);
    border-top: 1px solid var(--line);
    box-shadow: 0 -10px 30px rgba(30,38,32,.10);
    backdrop-filter: blur(18px);
  }
  .primary-nav .tool-btn,
  body.compact-toolbar .primary-nav .tool-btn {
    width: 100%;
    min-width: 0;
    min-height: 52px;
    padding: 5px 2px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    border-color: transparent;
    border-radius: 12px;
    color: #5e675f;
    background: transparent;
    font-weight: 700;
  }
  .primary-nav .tool-btn.primary { color: #fff; background: var(--accent); }
  .primary-nav .tool-label,
  body.compact-toolbar .primary-nav .tool-label,
  body.toolbar-menu-open .primary-nav .tool-label { display: block; max-width: 100%; overflow: hidden; font-size: 10px; line-height: 1; text-overflow: ellipsis; }
  .primary-nav .tool-glyph { font-size: 18px; }
  .toolbar-overflow { width: 44px; height: 44px; flex: 0 0 44px; display: grid; place-items: center; margin-left: auto; }
  .toolbar-review-summary { min-width: 0; flex: 1 1 auto; margin-left: 0; padding-inline: 7px; gap: 6px; }
  .toolbar-review-summary .date-label { font-size: 10px; }
  .toolbar-review-summary .badge-wrap { font-size: 0; }
  .toolbar-review-summary .badge { font-size: 9px; }
  .menu-toggle { width: 44px; height: 44px; padding: 0; line-height: 1; }
  .toolbar-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: min(208px,calc(100vw - 24px));
    max-height: calc(100dvh - 76px);
    display: grid;
    overflow: auto;
  }
  .toolbar-menu button { min-height: 44px; padding: 9px 11px; font-size: 14px; }
  .toolbar-menu kbd { font-size: 10px; }
  .toolbar-menu .menu-divider { width: auto; height: 1px; margin: 4px 5px; }
  .layout-edit-bar { display: none !important; }
  .main-layout {
    flex: 1;
    display: grid;
    grid-template-columns: minmax(0,1fr);
    grid-template-rows: minmax(140px,24%) minmax(0,1fr);
    gap: 10px;
    min-height: 0;
    overflow: hidden;
    padding: 8px max(8px,env(safe-area-inset-right)) 8px max(8px,env(safe-area-inset-left));
  }
  .layout-resize-handle { display: none; }
  .timeline-panel { height: auto; min-height: 0; border-radius: 13px; }
  .timeline-legend { height: 38px; font-size: 10px; }
  .timeline-scroll { height: calc(100% - 38px); overscroll-behavior: contain; }
  #timelineCanvas { touch-action: pan-y; }
  .side-panel { min-width: 0; min-height: 0; display: grid; grid-template-rows: minmax(240px,300px) minmax(90px,1fr); gap: 10px; margin-top: 0; overflow: hidden; }
  .nav-arrow { width: 44px; height: 44px; }
  .date-label { font-size: 15px; }
  .focus-card { min-height: 0; padding: 10px 12px; overflow: hidden; }
  .focus-card:has(.focus-live-note:not(.hidden)) { overflow-y: auto; overscroll-behavior: contain; }
  .review-card { min-height: 0; overflow: hidden; }
  .review-list { overflow-y: auto; overscroll-behavior: contain; padding: 9px; }
  .subject-list { margin-block: 7px; padding-bottom: 2px; }
  .subject-btn { min-height: 34px; padding: 6px 11px; font-size: 11px; }
  .focus-controls select, .focus-controls input { min-height: 38px; font-size: 14px; }
  .focus-clock { margin-top: 8px; font-size: 32px; }
  .focus-subject-label { font-size: 12px; }
  .focus-live-note { min-height: 84px; font-size: 16px; }
  .filter-row { gap: 4px; overflow-x: auto; padding-bottom: 2px; }
  .filter-btn { min-height: 36px; padding: 7px 12px; font-size: 11px; }
  .review-item { padding: 12px; margin-bottom: 8px; }
  .review-title, .review-title-button { font-size: 14px; }
  .review-actions button { min-height: 40px; padding: 8px 10px; font-size: 11px; }

  .modal { place-items: end center; padding: 0; background: rgba(24,28,24,.56); }
  .modal-card,
  .modal-card.compact-card,
  .modal-card.settings-card,
  .modal-card.calendar-card,
  .modal-card.module-card,
  .review-detail-card,
  .event-detail-card,
  .plan-reminder-card {
    width: 100%;
    max-width: none;
    max-height: calc(100dvh - 12px);
    border-radius: 20px 20px 0 0;
  }
  .modal-card.module-card { height: calc(100dvh - 12px); }
  .modal-header { min-height: 58px; padding: 12px 16px; }
  .modal-header h3 { font-size: 18px; }
  .modal-footer { padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); }
  .modal-footer .tool-btn { min-height: 44px; }
  .modal-body { padding: 13px 12px; overscroll-behavior: contain; }
  .icon-btn { width: 42px; height: 42px; }
  .event-grid input, .event-grid select, .event-grid textarea,
  .settings-grid input, .settings-grid select,
  .block-label input, .block-label textarea, .block-label select,
  .focus-progress-grid input,
  .review-start-point input,
  .subject-style-grid input, .subject-style-grid select,
  .hierarchy-row input,
  .learning-notes { min-height: 44px; font-size: 16px; }
  .event-grid, .settings-grid, .time-input-grid, .event-section-grid { grid-template-columns: 1fr; }
  .focus-progress-grid { grid-template-columns: 1fr; }
  .time-preview { align-items: flex-start; flex-direction: column; gap: 5px; }
  .time-preview strong { font-size: 16px; }
  .action-type-options label, .event-flags label { min-height: 40px; padding: 8px 10px; }
  .check-row { align-items: flex-start; flex-direction: column; gap: 10px; }
  .check-row label { min-height: 32px; }
  .danger-zone { align-items: stretch; flex-direction: column; gap: 12px; }
  .danger-zone .tool-btn { width: 100%; }
  .plan-reminder-body { grid-template-columns: 40px 1fr; padding: 16px; }
  .plan-reminder-event { grid-column: span 2; }
  .plan-reminder-actions button { flex: 1 1 130px; }
  .review-detail-body { grid-template-columns: 1fr; }
  .event-detail-body { grid-template-columns: 1fr; }
  .event-detail-body { max-height: none; }
  .event-detail-section.wide, .event-detail-hero { grid-column: auto; }
  .review-detail-section.history { grid-column: auto; }
  .span-2, .chart-card, .subject-section.wide { grid-column: auto; }
  .stats-grid, .subjects-layout, .subject-detail-grid { grid-template-columns: 1fr; }
  .module-toolbar { min-height: 58px; align-items: stretch; overflow-x: auto; padding: 9px 12px; }
  .subject-filter-list { min-width: max-content; flex-wrap: nowrap; }
  .module-toolbar select { min-height: 42px; flex: 0 0 auto; font-size: 16px; }
  #statsModal .module-toolbar { min-height: 0; flex: 0 0 auto; display: flex; align-items: stretch; flex-direction: column; overflow: visible; }
  #statsSubjectFilters { width: 100%; min-width: 0; min-height: 30px; flex: 0 0 auto; overflow-x: auto; padding-bottom: 2px; scrollbar-width: thin; }
  .stats-controls { width: 100%; min-width: 0; flex-wrap: wrap; }
  .stats-controls > label { flex: 0 1 auto; }
  .stats-custom-range { min-width: 220px; flex: 1 1 220px; }
  .stats-custom-range input { min-width: 0; flex: 1 1 100px; }
  .stats-grid { gap: 8px; }
  .metric-row { flex-wrap: wrap; gap: 18px 28px; }
  .chart-card canvas { height: 190px; }
  .subjects-layout { display: flex; flex: 1; flex-direction: column; overflow: hidden; }
  .subjects-sidebar { flex: 0 0 auto; max-height: none; display: flex; gap: 8px; overflow-x: auto; padding: 10px; border-right: 0; border-bottom: 1px solid var(--line); }
  .subjects-sidebar > .tool-btn { width: auto; min-width: 96px; min-height: 44px; flex: 0 0 auto; }
  .subjects-list { min-width: max-content; display: flex; gap: 6px; margin: 0; }
  .subject-list-item { width: auto; min-width: 120px; min-height: 44px; flex: 0 0 auto; }
  .subject-detail { flex: 1; padding: 10px; }
  .subject-style-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .year-heatmap { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .month-calendar { grid-template-columns: repeat(7,minmax(54px,1fr)); grid-template-rows: 32px repeat(6,minmax(76px,auto)); overflow: auto; }
  .calendar-day { padding: 6px; }
  .calendar-day-summary { line-height: 1.35; }
  .calendar-heat-legend { justify-content: flex-start; overflow-x: auto; }
  .leftover-item { grid-template-columns: 6px 1fr; }
  .leftover-actions { grid-column: 2; }
  .immersion-overlay { padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); overflow-y: auto; }
  .immersion-window-actions { top: calc(12px + env(safe-area-inset-top)); right: calc(12px + env(safe-area-inset-right)); }
  .immersion-exit, .immersion-window-btn { width: 44px; height: 44px; }
  .immersion-content, .immersion-content.review-session { width: 100%; padding: 72px 18px 28px; }
  .immersion-clock, .review-session .immersion-clock { margin-top: 20px; font-size: clamp(36px,9vw,54px); }
  .immersion-review-card { padding: 14px; }
  .immersion-input-card { width: 100%; }
  .immersion-input-grid { grid-template-columns: 1fr; }
  .immersion-input-grid label.wide { grid-column: auto; }
  .immersion-input-grid input, .immersion-input-grid select, .immersion-input-grid textarea { min-height: 42px; font-size: 16px; }
  .immersion-quote { margin: 24px auto; font-size: 16px; }
  .immersion-stop { min-height: 46px; padding-inline: 24px; }
}

@media (max-width: 720px) and (max-height: 720px) {
  .main-layout { grid-template-rows: minmax(124px,25%) minmax(0,1fr); gap: 8px; padding-block: 6px; }
  .side-panel { grid-template-rows: minmax(180px,54%) minmax(68px,1fr); gap: 8px; }
  .nav-arrow { height: 40px; }
  .focus-card { padding: 10px 12px; }
  .subject-list { margin-block: 6px; }
  .subject-btn { min-height: 32px; padding-block: 5px; }
  .focus-controls select, .focus-controls input { min-height: 36px; font-size: 14px; }
  .focus-clock { margin-top: 7px; font-size: 30px; }
  .focus-subject-label { margin-block: 4px 5px; }
  .review-header { padding: 7px 9px 6px; }
  .review-header h2 { font-size: 14px; }
  .review-list-summary { display: none; }
  .filter-btn { min-height: 28px; padding-block: 4px; }
}

@media (max-width: 390px) {
  .toolbar { padding-inline: 9px; }
  .brand-mark { width: 34px; height: 34px; }
  .primary-nav { gap: 1px; padding-inline: 4px; }
  .primary-nav .tool-label, body.compact-toolbar .primary-nav .tool-label { font-size: 9px; }
  .main-layout { padding-inline: 6px; }
  .focus-controls, .subject-style-grid, .review-detail-facts, .event-detail-facts { grid-template-columns: 1fr; }
  .review-schedule-row { grid-template-columns: 34px 1fr; }
  .review-schedule-row .status { grid-column: 2; }
  .hierarchy-row { grid-template-columns: minmax(0,1fr) auto auto; }
  .hierarchy-row.level3 > span { display: none; }
  .year-heatmap { grid-template-columns: 1fr; }
}

@media (max-width: 390px) and (max-height: 720px) {
  .focus-controls { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .focus-controls label { font-size: 9px; }
  .focus-subject-label { min-height: 12px; font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* 2026-08 requirements: compact date controls and resumable tasks. */
.toolbar-date-controls { display: flex; align-items: center; gap: 7px; margin-left: auto; min-width: 0; }
.day-switcher { display: flex; flex-shrink: 0; gap: 3px; }
.day-switcher .nav-arrow { width: 28px; height: 32px; }
.toolbar-date-controls .toolbar-review-summary { margin-left: 0; }
.toolbar-date-controls + .toolbar-overflow { margin-left: 0; }
.toolbar-menu { position: absolute; top: 43px; right: 0; flex-direction: column; align-items: stretch; min-width: 170px; }
.toolbar-menu .menu-divider { width: auto; height: 1px; }
.unfinished-tasks { margin-top: 5px; padding-top: 5px; border-top: 1px solid var(--line); }
.unfinished-tasks h3 { margin: 0 0 8px; font-size: 12px; }
.unfinished-task { padding: 9px; margin-bottom: 7px; border: 1px solid #dce4dd; border-radius: 9px; background: #f8faf7; }
.unfinished-task strong { display: block; font-size: 12px; overflow-wrap: anywhere; }
.unfinished-task small, .unfinished-task p { display: block; margin: 4px 0; font-size: 11px; color: #607067; overflow-wrap: anywhere; }
.unfinished-task-actions { display: flex; gap: 6px; margin-top: 7px; }
.unfinished-task-actions .tool-btn { padding: 4px 7px; min-height: 28px; font-size: 11px; }
.review-title-button { font-weight: 400; overflow-wrap: anywhere; }
.review-title-button strong { font-weight: 800; }
.review-title-button .review-material { margin-left: 6px; font-size: 11px; color: #526259; font-weight: 400; }
.review-tags > .mastery-unknown { background: #e9ece8; color: #566159; }
.review-tags > .mastery-weak { background: #fbd5d0; color: #8d2923; }
.review-tags > .mastery-partial { background: #ffedaa; color: #775309; }
.review-tags > .mastery-mastered { background: #ccebd5; color: #205b36; }
.immersion-task-actions { position: sticky; bottom: 0; display: flex; justify-content: center; gap: 10px; padding: 12px; margin-top: 10px; background: rgba(250,252,249,.97); border-radius: 12px; box-shadow: 0 -4px 16px rgba(25,40,30,.05); }
.immersion-task-actions button { min-height: 42px; font-size: 14px; }
.immersion-exit { width: auto; padding: 0 10px; font-size: 13px; }
.immersion-input-grid input::placeholder, .immersion-input-grid textarea::placeholder { color: #768478; opacity: 1; }
.immersion-input-card { max-width: 100%; }

/* 20260828: compact layout, independent columns and an intrinsic-height focus card. */
.layout-edit-bar { flex-wrap: wrap; flex-basis: auto; min-height: 40px; }
.layout-edit-bar select { max-width: 100%; padding: 5px; border: 1px solid #d8c69e; border-radius: 6px; }
.focus-subject-label { margin-bottom: 4px; }
.focus-running-actions:has(> :not(.hidden)) { margin-bottom: 4px; }
.review-group-heading { cursor: pointer; list-style: none; gap: 7px; font-size: 11px; }
.review-group-heading::before { content: '▸'; }
.review-group[open] > .review-group-heading::before { content: '▾'; }
.review-group-heading > .review-group-name { flex: 1; }
.review-group-heading::-webkit-details-marker { display: none; }
.review-group-items { padding-top: 4px; }
.calendar-day-heading { min-width: 0; display: flex; align-items: center; justify-content: space-between; gap: 3px; flex-wrap: nowrap; white-space: nowrap; }
.calendar-day-duration { flex: 0 0 auto; padding: 2px 4px; border-radius: 4px; box-shadow: inset 0 0 0 1px rgba(18,87,48,.12); font-size: 10px; font-weight: 750; line-height: 1.25; font-variant-numeric: tabular-nums; }
.calendar-event, .calendar-event-label { color: #333; }
@media (max-width: 720px) { .calendar-day-duration { padding: 1px 2px; font-size: 8px; } }
.stat-today-split { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 12px; font-size: 12px; color: #333; }
.chart-legend { margin: 0 0 8px; font-size: 11px; color: #444; }
.chart-scroll { width: 100%; overflow: hidden; }
.chart-scroll canvas { display: block; width: 100%; min-width: 0 !important; }
.stats-toolbar { position: relative; z-index: 12; align-items: flex-start; flex-wrap: wrap; overflow: visible; }
#statsSubjectFilters { position: relative; z-index: 20; display: flex; align-items: flex-start; gap: 6px; flex-wrap: wrap; overflow: visible; }
.stats-subject-node { min-width: 0; }
.stats-subject-node.depth-0 { position: relative; border: 1px solid var(--line); border-radius: 8px; padding: 4px; background: #fff; }
.stats-subject-row { display: flex; align-items: center; gap: 4px; }
.stats-subject-row input { flex: 0 0 auto; accent-color: var(--accent); width: 16px; height: 16px; }
.stats-subject-row button { text-align: left; border: 0; background: transparent; color: #333; padding: 5px 4px; font-size: 12px; overflow-wrap: anywhere; }
.stats-subject-row button:disabled { opacity: 1; cursor: default; }
.stats-subject-node.depth-0 > .stats-subject-children { position: absolute; z-index: 80; top: calc(100% + 5px); left: 0; min-width: max(210px,100%); max-width: min(330px,78vw); max-height: min(360px,55vh); overflow: auto; margin: 0; padding: 6px; background: #fff; border: 1px solid var(--line); border-radius: 9px; box-shadow: 0 16px 40px rgba(20,28,22,.18); }
.stats-subject-children .stats-subject-children { margin-left: 12px; padding-left: 5px; border-left: 1px solid var(--line); }
.distribution-details { display: grid; gap: 12px; margin-top: 8px; }
.distribution-item { display: grid; grid-template-columns: 90px minmax(0,1fr) 78px; align-items: center; gap: 8px; font-size: 12px; }
.distribution-item > span { overflow-wrap: anywhere; }
.distribution-item > b { text-align: right; }
.distribution-track { position: relative; display: flex; height: 18px; border-radius: 4px; background: #f2f4f1; }
.distribution-learn { background: var(--subject-color); }
.distribution-review { background: repeating-linear-gradient(135deg,transparent 0 4px,var(--subject-color) 4px 6px),color-mix(in srgb,var(--subject-color) 20%,white); }
.distribution-tooltip { display: none; position: absolute; bottom: calc(100% + 4px); left: 0; z-index: 4; max-width: 100%; padding: 7px; border-radius: 6px; background: #203127; color: #fff; box-shadow: 0 2px 8px #0002; font-size: 12px; pointer-events: none; }
.distribution-track:hover .distribution-tooltip, .distribution-track:focus .distribution-tooltip { display: block; }
.immersion-overlay { align-items: center; }
.immersion-content, .immersion-content.review-session { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); align-items: center; gap: 24px; width: min(1180px,100%); padding: 56px 24px 14px; }
.immersion-timer-column { min-width: 0; display: flex; flex-direction: column; align-items: center; }
.immersion-content.swapped .immersion-timer-column { grid-column: 2; grid-row: 1; }
.immersion-content.swapped .immersion-input-card { grid-column: 1; grid-row: 1; }
.immersion-content.swapped { grid-template-columns: minmax(0,1.15fr) minmax(0,.85fr); }
.immersion-content .immersion-input-card { width: 100%; margin: 0; }
.immersion-content .immersion-clock { margin: 12px 0; font-size: clamp(36px,5vw,62px); }
.immersion-total { margin-top: 10px; color: #344b3e; font-size: 14px; font-variant-numeric: tabular-nums; }
.immersion-content .immersion-quote { margin: 18px 0; font-size: 17px; line-height: 1.6; }
.immersion-content .immersion-review-card { width: 100%; margin-top: 10px; padding: 10px; }
.immersion-review-card h3 { font-size: 16px; overflow-wrap: anywhere; }
.immersion-action-field { display: flex; flex-direction: column; gap: 5px; color: var(--muted); font-size: 11px; }
.immersion-action-picker { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 7px; }
.immersion-action-picker button { min-height: 48px; display: flex; align-items: center; justify-content: center; gap: 7px; padding: 7px 9px; color: #405148; background: rgba(255,255,255,.74); border: 1px solid rgba(54,82,67,.22); border-radius: 10px; }
.immersion-action-picker button[aria-checked="true"] { color: var(--accent-dark); background: var(--accent-soft); border-color: var(--accent); box-shadow: 0 4px 14px rgba(47,107,79,.12); }
.immersion-content .immersion-countdown { position: static; transform: none; margin-top: 12px; }
.immersion-countdown.position-top { order: -1; margin: 0 0 12px; }
.immersion-countdown.position-bottom { order: 1; }
.immersion-content .immersion-task-actions { position: static; flex-wrap: wrap; gap: 6px; padding: 8px; margin-top: 8px; }
.immersion-window-actions { top: 8px; right: 12px; }
@media (min-width: 1000px) {
  .main-layout.three-columns { grid-template-columns: minmax(360px,1fr) 4px minmax(245px,min(var(--focus-column-width),calc(100vw - 700px))) minmax(310px,1fr); column-gap: 4px; }
  .three-columns .side-panel { display: contents; }
  .three-columns .focus-card { overflow-y: auto; min-height: 0; }
  .three-columns #focusReviewHandle { display: none; }
  .three-columns #reviewCard { grid-column: 4; }
}
@media (min-width: 721px) and (max-width: 999px) {
  .main-layout { grid-template-columns: minmax(0,1fr) 4px minmax(260px,var(--side-width)); }
}
@media (max-height: 740px) and (min-width: 761px) {
  .immersion-content, .immersion-content.review-session { gap: 16px; padding-top: 48px; }
  .immersion-input-grid { gap: 5px; }
  .immersion-input-grid label { gap: 3px; }
  .immersion-input-grid input, .immersion-input-grid select, .immersion-input-grid textarea { padding: 5px 8px; min-height: 34px; }
  .immersion-input-grid textarea { height: 60px; }
  .immersion-content .immersion-clock { margin: 8px 0; }
  .immersion-content .immersion-quote { margin: 10px 0; font-size: 15px; }
}
@media (max-width: 760px) {
  .event-merge-bar { align-items: stretch; flex-wrap: wrap; padding: 7px; }
  .event-merge-bar input { width: 100%; flex: 1 0 100%; font-size: 16px; }
  .event-merge-bar > span { flex-basis: 100%; }
  .main-layout { gap: 4px; padding: 4px; }
  #focusReviewHandle { display: none; }
  .side-panel { grid-template-rows: max-content minmax(130px,1fr); gap: 4px; overflow-y: auto; }
  .side-panel .focus-card { min-height: 0; overflow: visible; }
  .side-panel .focus-card.collapsed { overflow: hidden; }
  .side-panel .review-card { min-height: 130px; }
  .immersion-content, .immersion-content.review-session, .immersion-content.swapped { grid-template-columns: 1fr; padding: 62px 12px 12px; gap: 12px; }
  .immersion-content.swapped .immersion-timer-column, .immersion-content.swapped .immersion-input-card { grid-column: auto; grid-row: auto; }
  .immersion-content.swapped .immersion-input-card { order: -1; }
  .immersion-content .immersion-input-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .immersion-content .immersion-input-grid label.wide { grid-column: 1 / -1; }
  .immersion-content .immersion-clock { font-size: 38px; }
  #statsSubjectFilters { max-height: none; overflow: visible; }
  .distribution-item { grid-template-columns: 68px minmax(0,1fr) 65px; font-size: 11px; }
}
.event-detail-hero h4, .event-detail-facts b { overflow-wrap: anywhere; white-space: pre-wrap; }
.task-segments { padding-left: 18px; font-size: 12px; line-height: 1.8; }
@media (max-width: 720px) {
  .toolbar-date-controls { gap: 4px; margin-left: 0; flex: 1 1 auto; justify-content: flex-end; }
  .toolbar-date-controls .toolbar-review-summary { min-width: 0; }
  .day-switcher .nav-arrow { width: 27px; min-height: 34px; }
  .side-panel:has(.focus-card.collapsed) { grid-template-rows: 54px minmax(90px,1fr); }
  .focus-card.collapsed { min-height: 54px; padding-block: 9px; }
  .focus-card:not(.collapsed) { overflow: auto; }
  .year-heatmap { grid-template-columns: repeat(auto-fit,minmax(154px,1fr)); }
  .immersion-content.review-session { padding-top: 70px; }
}
@media (max-width: 390px) {
  .toolbar-date-controls .badge-wrap { display: none; }
  .toolbar .brand strong { display: none; }
}
@media (min-width: 721px) and (max-width: 1100px) {
  .toolbar { gap: 8px; }
  .primary-nav .tool-label { display: none; }
  .primary-nav .tool-btn { width: 34px; padding-inline: 0; }
}

/* Mobile is a landscape-first workspace: portrait asks the user to rotate,
   while landscape keeps the timeline and task controls visible side by side. */
.portrait-orientation-gate { display: none; }

@media (orientation: portrait) and (max-width: 720px) {
  .app-shell { visibility: hidden; }
  .portrait-orientation-gate {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 22px;
    padding: max(28px,env(safe-area-inset-top)) max(24px,env(safe-area-inset-right)) max(28px,env(safe-area-inset-bottom)) max(24px,env(safe-area-inset-left));
    color: #f8fbf9;
    background: radial-gradient(circle at 18% 15%,#4f8066 0,transparent 34%),linear-gradient(145deg,#183a2a,#2f6b4f);
    text-align: left;
  }
  .portrait-orientation-gate > div:last-child { max-width: 250px; }
  .portrait-orientation-gate strong { display: block; font-size: clamp(22px,6vw,30px); letter-spacing: .04em; }
  .portrait-orientation-gate p { margin: 9px 0 0; color: rgba(255,255,255,.76); font-size: 14px; line-height: 1.65; }
  .orientation-phone { width: 86px; height: 48px; flex: 0 0 auto; display: grid; place-items: center; border: 3px solid rgba(255,255,255,.92); border-radius: 12px; box-shadow: 0 14px 34px rgba(0,0,0,.22); }
  .orientation-phone::before { content: ""; width: 4px; height: 4px; position: absolute; margin-left: 70px; background: rgba(255,255,255,.8); border-radius: 50%; }
  .orientation-phone span { width: 44px; height: 24px; display: block; background: rgba(255,255,255,.12); border-radius: 5px; }
}

@media (orientation: landscape) and (max-height: 600px) and (max-width: 1024px) {
  :root { --mobile-landscape-toolbar: 50px; --shadow: 0 8px 22px rgba(35,40,35,.07); }
  html, body { height: 100%; min-height: 0; overflow: hidden; }
  body { padding: 0; }
  .app-shell { height: 100dvh; padding: 0; overflow: hidden; }
  .toolbar {
    position: relative;
    inset: auto;
    z-index: 45;
    min-height: var(--mobile-landscape-toolbar);
    flex: 0 0 var(--mobile-landscape-toolbar);
    gap: 5px;
    padding: 5px max(7px,env(safe-area-inset-right)) 5px max(7px,env(safe-area-inset-left));
    box-shadow: 0 4px 16px rgba(35,40,35,.06);
    backdrop-filter: none;
  }
  .toolbar .brand { display: none; }
  .primary-nav {
    position: static;
    inset: auto;
    width: auto;
    height: auto;
    min-width: 0;
    flex: 0 1 auto;
    display: flex;
    gap: 3px;
    overflow-x: auto;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
    scrollbar-width: none;
  }
  .primary-nav::-webkit-scrollbar { display: none; }
  .primary-nav .tool-btn,
  body.compact-toolbar .primary-nav .tool-btn {
    width: 36px;
    min-width: 36px;
    min-height: 38px;
    height: 38px;
    flex: 0 0 36px;
    padding: 0;
    display: grid;
    place-items: center;
    border-color: var(--line);
    border-radius: 9px;
    color: var(--ink);
    background: #fff;
  }
  .primary-nav .tool-btn.primary { color: #fff; background: var(--accent); border-color: var(--accent); }
  .primary-nav .tool-glyph { font-size: 16px; }
  .primary-nav .tool-label,
  body.compact-toolbar .primary-nav .tool-label,
  body.toolbar-menu-open .primary-nav .tool-label { display: none; }
  .toolbar-date-controls { min-width: 0; flex: 1 1 auto; justify-content: flex-end; gap: 3px; margin-left: auto; }
  .day-switcher { gap: 2px; }
  .day-switcher .nav-arrow { width: 25px; min-width: 25px; height: 36px; min-height: 36px; }
  .toolbar-date-controls .toolbar-review-summary { min-width: 68px; max-width: 116px; min-height: 36px; padding: 4px 6px; }
  .toolbar-review-summary .date-label { font-size: 10px; }
  .toolbar-review-summary .badge-wrap { display: none; }
  .toolbar-overflow { width: 40px; height: 40px; flex: 0 0 40px; }
  .menu-toggle { width: 40px; height: 40px; }
  .toolbar-menu { top: calc(100% + 5px); right: 0; width: min(210px,calc(100vw - 16px)); max-height: calc(100dvh - 58px); }
  .toolbar-menu button { min-height: 39px; padding: 7px 10px; font-size: 13px; }

  .layout-edit-bar { display: none !important; }
  .event-merge-bar { flex: 0 0 auto; max-height: 92px; align-items: center; flex-wrap: wrap; overflow-y: auto; padding: 5px 8px; }
  .event-merge-bar input { width: min(240px,34vw); min-height: 34px; flex: 0 1 auto; font-size: 14px; }
  .event-merge-bar > span { flex: 1 1 180px; }
  .main-layout {
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(280px,1.12fr) minmax(230px,.88fr);
    grid-template-rows: minmax(0,1fr);
    gap: 6px;
    overflow: hidden;
    padding: 5px max(5px,env(safe-area-inset-right)) 5px max(5px,env(safe-area-inset-left));
  }
  .layout-resize-handle { display: none; }
  .timeline-panel { min-width: 0; min-height: 0; height: auto; border-radius: 11px; }
  .timeline-legend { height: 30px; font-size: 9px; }
  .timeline-scroll { height: calc(100% - 30px); overscroll-behavior: contain; }
  #timelineCanvas { touch-action: pan-y; }
  .side-panel {
    min-width: 0;
    min-height: 0;
    display: grid;
    grid-template-rows: minmax(135px,1.08fr) minmax(94px,.92fr);
    gap: 5px;
    overflow: hidden;
  }
  .side-panel:has(.focus-card.collapsed) { grid-template-rows: 48px minmax(94px,1fr); }
  .side-panel .focus-card,
  .side-panel .focus-card:not(.collapsed) { min-height: 0; padding: 7px 9px; overflow-y: auto; overscroll-behavior: contain; }
  .focus-card.collapsed { min-height: 48px; padding-block: 7px; overflow: hidden; }
  .section-heading h2, .review-header h2 { font-size: 13px; }
  .status-pill { padding: 3px 6px; }
  .subject-list { margin: 5px 0; gap: 4px; }
  .subject-btn { min-height: 29px; padding: 4px 8px; font-size: 10px; }
  .focus-controls { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 5px; }
  .focus-controls label { gap: 2px; font-size: 9px; }
  .focus-controls select, .focus-controls input { min-height: 31px; padding: 4px 6px; font-size: 12px; }
  .focus-clock { margin-top: 5px; font-size: 25px; }
  .focus-subject-label { min-height: 12px; margin: 3px 0 4px; font-size: 10px; }
  .focus-live-note { min-height: 55px; margin-bottom: 5px; font-size: 14px; }
  .focus-running-actions { gap: 4px; }
  .focus-running-actions .tool-btn { min-height: 32px; padding: 4px 5px; font-size: 10px; }
  .unfinished-tasks { margin-top: 4px; padding-top: 4px; }
  .review-card { min-height: 0; overflow: hidden; }
  .review-header { padding: 5px 7px; }
  .review-heading-row { gap: 4px; }
  .filter-row { gap: 3px; padding: 0; }
  .filter-btn { min-height: 27px; padding: 4px 6px; font-size: 9px; }
  .review-list-summary { display: none; }
  .review-fullscreen-btn { width: 28px; height: 28px; flex-basis: 28px; }
  .review-list { padding: 5px; overflow-y: auto; overscroll-behavior: contain; }
  .review-item { padding: 7px; margin-bottom: 4px; }
  .review-title, .review-title-button { margin-top: 4px; font-size: 11px; }
  .review-actions { margin-top: 5px; }
  .review-actions button { min-height: 30px; padding: 4px 6px; font-size: 9px; }

  .modal { place-items: center; padding: 5px max(5px,env(safe-area-inset-right)) 5px max(5px,env(safe-area-inset-left)); }
  .modal-card,
  .modal-card.compact-card,
  .modal-card.settings-card,
  .modal-card.calendar-card,
  .modal-card.module-card,
  .review-detail-card,
  .event-detail-card,
  .plan-reminder-card {
    width: min(900px,100%);
    max-width: none;
    height: auto;
    max-height: calc(100dvh - 10px);
    border-radius: 13px;
  }
  .modal-card.module-card { height: calc(100dvh - 10px); }
  .modal-header { min-height: 46px; padding: 7px 12px; }
  .modal-header h3 { font-size: 16px; }
  .modal-footer { padding: 7px 10px; }
  .modal-footer .tool-btn { min-height: 36px; }
  .modal-body { padding: 9px 11px; }
  .icon-btn { width: 36px; height: 36px; }
  .event-grid, .settings-grid, .time-input-grid, .event-section-grid, .focus-progress-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .check-row, .danger-zone { align-items: center; flex-direction: row; }
  .stats-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .chart-card { grid-column: span 2; }
  .subjects-layout { display: grid; grid-template-columns: minmax(150px,190px) 1fr; overflow: hidden; }
  .subjects-sidebar { max-height: none; display: block; overflow: auto; padding: 8px; border-right: 1px solid var(--line); border-bottom: 0; }
  .subjects-sidebar > .tool-btn { width: 100%; min-width: 0; min-height: 36px; }
  .subjects-list { min-width: 0; display: grid; margin-top: 7px; }
  .subject-list-item { width: 100%; min-width: 0; min-height: 36px; }
  .subject-detail { padding: 9px; }

  .immersion-overlay { padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); overflow: hidden; }
  .immersion-content,
  .immersion-content.review-session,
  .immersion-content.swapped {
    width: min(920px,100%);
    height: 100%;
    grid-template-columns: minmax(0,.82fr) minmax(0,1.18fr);
    align-items: center;
    gap: 12px;
    overflow-y: auto;
    padding: 48px 12px 10px;
  }
  .immersion-content.swapped .immersion-timer-column { grid-column: 2; grid-row: 1; }
  .immersion-content.swapped .immersion-input-card { grid-column: 1; grid-row: 1; order: initial; }
  .immersion-content .immersion-input-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .immersion-content .immersion-input-grid label.wide { grid-column: 1 / -1; }
  .immersion-content .immersion-clock, .review-session .immersion-clock { margin: 5px 0; font-size: clamp(30px,7vw,48px); }
  .immersion-content .immersion-quote { margin: 8px 0; font-size: 14px; line-height: 1.5; }
  .immersion-input-grid input, .immersion-input-grid select, .immersion-input-grid textarea { min-height: 34px; padding: 5px 7px; font-size: 14px; }
}