/* R254 style.css · priority-alert-command · v6.0 */
:root {
  --primary: #DC2626; --secondary: #FCA5A5; --success: #16A34A; --warning: #F59E0B; --danger: #991B1B;
  --bg: #FEF2F2; --card: #FFF; --text: #7F1D1D; --text-secondary: #B91C1C; --border: #FECACA;
  --accent: #991B1B; --tile-bg: #FEE2E2;
  --contact-footer-h: 92px; --fab-size: 56px; --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --font-scale: 1.15;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.55;
  max-width: 480px; margin: 0 auto; font-size: calc(14px * var(--font-scale));
}
body.has-contact-footer { padding-bottom: calc(var(--contact-footer-h) + var(--fab-size) + 20px + var(--safe-area-bottom)); }
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
.hidden { display: none !important; }
.reduce-motion * { animation: none !important; transition: none !important; }

.top-nav { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 70; }
.nav-brand { font-weight: 800; font-size: calc(16px * var(--font-scale)); }
.nav-share { min-width: 44px; min-height: 44px; display: flex; align-items: center; justify-content: center; color: var(--primary); }

.class-bar { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; padding: 12px 16px; }
.class-row { display: flex; gap: 10px; align-items: flex-start; }
.class-avatar { width: 52px; height: 52px; border-radius: 50%; background: rgba(255,255,255,.2); display: flex; align-items: center; justify-content: center; font-size: 28px; }
.class-meta strong { display: block; font-size: calc(17px * var(--font-scale)); }
.class-meta span { display: block; font-size: calc(11px * var(--font-scale)); opacity: .92; margin-top: 2px; }
.class-plain { color: #fff; margin-bottom: 8px; }
.font-toggle { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.font-btn { border: 1px solid rgba(255,255,255,.45); background: transparent; color: #fff; border-radius: 8px; padding: 6px 12px; min-height: 36px; cursor: pointer; }
.font-btn.active { background: #fff; color: var(--accent); font-weight: 700; }

.segment-bar { display: flex; gap: 4px; padding: 8px 12px; background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 44px; z-index: 65; overflow-x: auto; }
.seg-pill { flex: 1; min-width: 0; border: none; background: var(--bg); color: var(--text-secondary); border-radius: 16px; padding: 8px 2px; font-size: calc(10px * var(--font-scale)); font-weight: 700; cursor: pointer; min-height: 44px; white-space: nowrap; }
.seg-pill.active { background: var(--primary); color: #fff; }

.main-scroll { padding: 12px 16px 0; }
.section-title { font-size: calc(16px * var(--font-scale)); font-weight: 800; margin-bottom: 10px; }

.stack-list { display: flex; flex-direction: column; gap: 10px; }
.stack-card { background: var(--card); border: 1px solid var(--border); border-left: 5px solid var(--pri, var(--primary)); border-radius: 14px; padding: 14px; cursor: pointer; }
.stack-card.read { opacity: .75; }
.stack-head { display: flex; justify-content: space-between; margin-bottom: 6px; }
.pri-badge { font-size: calc(11px * var(--font-scale)); font-weight: 700; }
.stack-time { color: var(--text-secondary); font-size: calc(12px * var(--font-scale)); }
.stack-card h3 { font-size: calc(15px * var(--font-scale)); margin-bottom: 4px; }
.stack-card p { font-size: calc(13px * var(--font-scale)); color: var(--text-secondary); }
.stack-place { margin-top: 4px; }
.stack-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; font-size: calc(11px * var(--font-scale)); }
.read-tag { color: var(--success); font-weight: 700; }
.btn-read { border: 1px solid var(--primary); background: var(--tile-bg); color: var(--primary); border-radius: 8px; padding: 6px 10px; min-height: 36px; cursor: pointer; font-weight: 700; }

.sched-list { display: flex; flex-direction: column; gap: 8px; }
.sched-item { display: flex; gap: 10px; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 12px; cursor: pointer; }
.sched-time { font-weight: 800; color: var(--primary); min-width: 48px; }
.sched-body p { font-size: calc(12px * var(--font-scale)); color: var(--text-secondary); margin-top: 2px; }

.receipt-ring { position: relative; width: 80px; height: 80px; margin: 0 auto 12px; }
.receipt-ring svg { width: 80px; height: 80px; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--border); stroke-width: 3; }
.ring-fill { fill: none; stroke: var(--primary); stroke-width: 3; stroke-linecap: round; }
.ring-pct { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-weight: 800; color: var(--primary); }
.ring-conic { border-radius: 50%; background: conic-gradient(var(--primary) calc(var(--pct)*1%), var(--border) 0); }
.receipt-label { text-align: center; margin-bottom: 16px; font-weight: 700; }
.unread-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; background: var(--card); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 8px; }
.btn-sm { min-height: 36px; padding: 6px 12px; font-size: calc(12px * var(--font-scale)); }

.filter-chips, .tpl-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.fchip, .tpl-chip { border: 1px solid var(--border); background: var(--card); border-radius: 16px; padding: 8px 12px; min-height: 40px; cursor: pointer; font-size: calc(12px * var(--font-scale)); }
.fchip.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.hist-card, .settings-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 12px; margin-bottom: 8px; cursor: pointer; }
.hist-head { display: flex; justify-content: space-between; font-size: calc(11px * var(--font-scale)); color: var(--text-secondary); margin-bottom: 4px; }

.form-group { display: block; margin-bottom: 12px; font-size: calc(12px * var(--font-scale)); font-weight: 600; }
.form-input, .form-textarea { width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: 10px; margin-top: 4px; min-height: 44px; background: #fff; }
.form-textarea { min-height: 88px; resize: vertical; }
.theme-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.theme-btn { height: 40px; border-radius: 10px; border: 2px solid transparent; cursor: pointer; min-height: 44px; }
.theme-btn.active { border-color: var(--text); }
.link-card { display: block; padding: 14px; background: var(--tile-bg); border-radius: 12px; margin-bottom: 10px; font-weight: 700; text-align: center; }
.storage-hint { font-size: calc(11px * var(--font-scale)); color: var(--text-secondary); margin: 8px 0; }

.btn { border: none; border-radius: 12px; padding: 14px; font-size: calc(14px * var(--font-scale)); font-weight: 700; min-height: 48px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; width: 100%; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-outline { background: var(--card); border: 2px solid var(--border); color: var(--text); }
.btn-danger { color: var(--danger); border-color: var(--danger); }
.btn-block { margin-top: 8px; }
.empty-hint { text-align: center; padding: 32px 16px; color: var(--text-secondary); }

.fab-add {
  position: fixed; right: 16px; bottom: calc(var(--contact-footer-h) + 12px + var(--safe-area-bottom));
  background: var(--accent); color: #fff; border: none; border-radius: 28px; padding: 14px 18px;
  font-weight: 700; box-shadow: 0 4px 20px rgba(220,38,38,.35); z-index: 780; min-height: var(--fab-size); cursor: pointer;
}
.fab-add:active { transform: scale(.97); }

.entry-drawer { position: fixed; inset: 0; z-index: 900; pointer-events: none; visibility: hidden; }
.entry-drawer.open { pointer-events: auto; visibility: visible; }
.drawer-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.5); }
.drawer-panel { position: absolute; left: 0; right: 0; bottom: 0; background: var(--card); border-radius: 20px 20px 0 0; padding: 20px 16px calc(20px + var(--safe-area-bottom)); max-height: 90vh; overflow-y: auto; transform: translateY(100%); transition: transform .28s; }
.entry-drawer.open .drawer-panel { transform: translateY(0); }
.drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.drawer-close { border: none; background: var(--bg); width: 44px; height: 44px; border-radius: 50%; font-size: 22px; cursor: pointer; }
.drawer-meta, .drawer-place { font-size: calc(12px * var(--font-scale)); color: var(--text-secondary); margin-bottom: 8px; }
.drawer-note { font-size: calc(15px * var(--font-scale)); line-height: 1.6; margin-bottom: 12px; }

.p1-banner { background: var(--warning); color: #fff; text-align: center; padding: 8px; font-weight: 700; font-size: calc(12px * var(--font-scale)); }
.theme-transition { transition: background .3s; }

.toast-container { position: fixed; left: 50%; transform: translateX(-50%); top: 60px; z-index: 99999; pointer-events: none; }
.toast-item { background: rgba(127,29,29,.92); color: #fff; padding: 12px 20px; border-radius: 20px; margin-top: 6px; opacity: 0; transition: opacity .3s; max-width: 90vw; text-align: center; }
.toast-item.show { opacity: 1; }

.contact-footer { position: fixed; left: 0; right: 0; bottom: 0; background: #1a1a1a; z-index: 850; padding: .55rem .75rem calc(.55rem + var(--safe-area-bottom)); min-height: var(--contact-footer-h); }
.contact-footer__btns { display: grid; grid-template-columns: repeat(3, minmax(0, 88px)); justify-content: center; gap: .4rem; max-width: 320px; margin: 0 auto; }
.contact-footer__cta, .contact-footer__btn { display: flex; align-items: center; justify-content: center; min-height: 36px; border-radius: 8px; font-size: 12px; font-weight: 600; }
.contact-footer__cta { background: #E87722; color: #fff; }
.contact-footer__btn { background: #333; color: #fff; border: none; cursor: pointer; }
.contact-footer__brand { text-align: center; color: #888; font-size: 10px; margin-top: 6px; }

@media (prefers-reduced-motion: reduce) { .drawer-panel, .toast-item, .fab-add { transition: none; } }
.search-input { margin-bottom: 12px; }
.hist-card.read { opacity: .7; }
.drawer-panel [role=dialog] { max-width: 480px; margin: 0 auto; }
.notification-perm-hint { font-size: calc(11px * var(--font-scale)); color: var(--text-secondary); padding: 8px 0; }
.sync-badge { display: inline-block; background: var(--warning); color: #fff; font-size: 10px; padding: 2px 6px; border-radius: 6px; margin-left: 6px; }
.stack-card[data-priority=urgent] { box-shadow: 0 2px 12px rgba(220,38,38,.15); }
.publish-hint { font-size: calc(12px * var(--font-scale)); color: var(--text-secondary); margin-bottom: 10px; line-height: 1.5; }
.receipts-section { margin-top: 8px; }
@media (min-width: 768px) { .drawer-panel { max-width: 480px; margin-left: auto; margin-right: auto; } }

.pri-summary { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.pri-chip { font-size: calc(10px * var(--font-scale)); padding: 4px 8px; border-radius: 8px; background: var(--tile-bg); border: 1px solid var(--border); font-weight: 700; }
.history-panel { padding: 0 16px 16px; }
.history-panel.hidden { display: none; }
.btn:focus-visible, .seg-pill:focus-visible, .stack-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.stack-card h3 { line-height: 1.35; }
.drawer-panel:focus-within { outline: none; }
.share-plain .share-list { display: block; }
.editor-mode-on [contenteditable="true"] { outline: 1px dashed rgba(255,255,255,.6); border-radius: 4px; }
.nav-share:active, .font-btn:active, .seg-pill:active { transform: scale(.97); }
.form-input:focus, .form-textarea:focus { outline: 2px solid var(--primary); border-color: var(--primary); }
.receipt-ring .ring-text { text-align: center; font-size: calc(18px * var(--font-scale)); font-weight: 800; color: var(--primary); padding: 24px 0; }
.sched-item:active { transform: scale(.99); }
.hist-card:active { background: var(--tile-bg); }
.top-nav::after { content: ''; position: absolute; bottom: 0; left: 16px; right: 16px; height: 1px; background: transparent; }
.stack-card h3 strong { font-weight: 800; }
.unread-row span { flex: 1; padding-right: 8px; font-size: calc(13px * var(--font-scale)); }
.publish-hint { font-size: calc(12px * var(--font-scale)); color: var(--text-secondary); margin-bottom: 12px; }
#history-panel .section-title { margin-top: 8px; }
.contact-footer a, .contact-footer button { transition: opacity .2s; }
.contact-footer a:active, .contact-footer button:active { opacity: .85; }
@media (prefers-color-scheme: dark) { :root { --card: #fff; } }
/* v6.0 touch & a11y extras */
.stack-card:focus-visible { box-shadow: 0 0 0 2px var(--accent); }
.main-scroll:empty::before { content: ''; display: block; min-height: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }