/* ============================================
   sprint3-ext.css — v1.0.0 (Sprint 3, v2.48.0)
   Styles unifiés Pause + Archive + EasterEgg.

   RÈGLES CAPITALISÉES APPLIQUÉES
   ──────────────────────────────
     1. Pas de transform translateY sur sheets — uniquement opacity overlay
     2. Pas de backdrop-filter — fond opaque
     3. animation: none !important sur sheets (protection selectors prod)
     4. (architecture JS) setInterval + events au lieu de MutationObserver subtree
     5. (architecture JS) update inline avec memoization
   ============================================ */

:root {
  --s3-bg-overlay: rgba(20, 32, 56, 0.92);
  --s3-bg-sheet: var(--ivoire, #F5EFE0);
  --s3-bg-sheet-dark: var(--nuit, #1A2845);
  --s3-text: var(--nuit, #1A2845);
  --s3-text-soft: rgba(26, 40, 69, 0.65);
  --s3-text-muted: rgba(26, 40, 69, 0.5);
  --s3-border: var(--sable, #ECDDCB);
  --s3-accent: var(--boow, #F85558);
  --s3-success: var(--mousse, #7B9F35);
  --s3-warn: var(--terracotta, #C9622D);
  --s3-warn-soft: rgba(201, 98, 45, 0.10);
  --s3-success-soft: rgba(123, 159, 53, 0.10);
  --s3-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================
   BASE OVERLAY (commun Pause + Archive + EasterEgg)
   ============================================ */
.pause-overlay,
.archive-overlay,
.egg-overlay {
  position: fixed;
  inset: 0;
  background: var(--s3-bg-overlay);
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.24s var(--s3-ease);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  pointer-events: auto;
}

.pause-overlay.is-open,
.archive-overlay.is-open,
.egg-overlay.is-open {
  opacity: 1;
}

@media (min-width: 768px) {
  .pause-overlay,
  .archive-overlay,
  .egg-overlay {
    align-items: center;
  }
}

/* Sheets — STATIQUES (pas de transform, pas d'animation) */
.pause-sheet,
.archive-sheet,
.egg-sheet {
  opacity: 1;
  animation: none !important;
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  .pause-overlay, .archive-overlay, .egg-overlay {
    transition: none !important;
  }
}

/* ============================================
   PAUSE SHEET
   ============================================ */
.pause-sheet {
  width: 100%;
  max-width: 480px;
  max-height: 92vh;
  background: var(--s3-bg-sheet);
  border-radius: 22px 22px 0 0;
  box-shadow: 0 -10px 40px rgba(26, 40, 69, 0.25);
}

@media (min-width: 768px) {
  .pause-sheet { border-radius: 22px; max-height: 86vh; }
}

.pause-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--s3-border);
}

.pause-eyebrow {
  font-family: ui-monospace, "Geist Mono", monospace;
  font-size: 10.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--s3-text-soft);
  margin-bottom: 4px;
}

.pause-title {
  font-family: var(--font-display), "Unbounded", system-ui, sans-serif;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.015em;
  color: var(--s3-text);
  line-height: 1.2;
}

.pause-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--s3-border);
  background: transparent;
  color: var(--s3-text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.16s var(--s3-ease);
  flex-shrink: 0;
}
.pause-close:hover { background: var(--s3-border); }

.pause-body {
  padding: 18px 20px 8px;
  overflow-y: auto;
  flex: 1;
}

.pause-prose {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--s3-text-soft);
}

.pause-duration-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 18px;
}

.pause-duration-opt {
  padding: 14px 12px;
  border: 1.5px solid var(--s3-border);
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
  font: inherit;
  text-align: center;
  color: var(--s3-text);
  transition: all 0.16s var(--s3-ease);
}
.pause-duration-opt:hover { background: var(--s3-border); }

.pause-duration-opt.is-selected {
  background: var(--s3-text);
  color: var(--s3-bg-sheet);
  border-color: var(--s3-text);
}

.pause-duration-label {
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: -0.005em;
}

.pause-reason-label {
  display: block;
  font-family: ui-monospace, "Geist Mono", monospace;
  font-size: 10.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--s3-text-soft);
  margin-bottom: 6px;
}

.pause-reason {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 11px 12px;
  border: 1.5px solid var(--s3-border);
  border-radius: 10px;
  background: transparent;
  font: inherit;
  font-size: 14px;
  color: var(--s3-text);
  resize: none;
  outline: none;
  transition: border-color 0.16s var(--s3-ease);
}
.pause-reason:focus { border-color: var(--s3-text); }

.pause-until-preview {
  margin-top: 14px;
  padding: 12px 14px;
  background: var(--s3-success-soft);
  border-radius: 10px;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--s3-text);
}
.pause-until-preview.is-indef {
  background: var(--s3-warn-soft);
  color: var(--s3-warn);
}

.pause-foot {
  display: flex;
  gap: 10px;
  padding: 14px 18px 18px;
  border-top: 1px solid var(--s3-border);
}

.pause-btn {
  flex: 1;
  padding: 13px 14px;
  border-radius: 12px;
  border: 0;
  font: inherit;
  font-weight: 500;
  font-size: 14.5px;
  cursor: pointer;
  transition: all 0.16s var(--s3-ease);
  letter-spacing: -0.005em;
}

.pause-btn-ghost {
  background: transparent;
  color: var(--s3-text);
  border: 1px solid var(--s3-border);
}
.pause-btn-ghost:hover { background: var(--s3-border); }

.pause-btn-primary {
  background: var(--s3-text);
  color: var(--s3-bg-sheet);
}
.pause-btn-primary:hover { background: #0e1a35; }

/* ============================================
   ARCHIVE SHEET
   ============================================ */
.archive-sheet {
  width: 100%;
  max-width: 540px;
  max-height: 92vh;
  background: var(--s3-bg-sheet);
  border-radius: 22px 22px 0 0;
  box-shadow: 0 -10px 40px rgba(26, 40, 69, 0.25);
}

@media (min-width: 768px) {
  .archive-sheet { border-radius: 22px; max-height: 86vh; }
}

.archive-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--s3-border);
  flex-shrink: 0;
}

.archive-head-titles { flex: 1; }

.archive-eyebrow {
  font-family: ui-monospace, "Geist Mono", monospace;
  font-size: 10.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--s3-text-soft);
  margin-bottom: 4px;
}

.archive-title {
  font-family: var(--font-display), "Unbounded", system-ui, sans-serif;
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.02em;
  color: var(--s3-text);
  line-height: 1.15;
}

.archive-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--s3-border);
  background: transparent;
  color: var(--s3-text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.16s var(--s3-ease);
}
.archive-close:hover { background: var(--s3-border); }

/* Stats hero */
.archive-stats {
  padding: 22px 20px 8px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: radial-gradient(ellipse at 50% 0%, var(--s3-success-soft) 0%, transparent 70%);
}

.archive-stat {
  text-align: center;
}

.archive-stat-value {
  font-family: var(--font-display), "Unbounded", system-ui, sans-serif;
  font-weight: 600;
  font-size: 28px;
  letter-spacing: -0.025em;
  color: var(--s3-text);
  line-height: 1;
}

.archive-stat-pivot {
  padding: 12px 0;
  border-top: 1px solid rgba(26, 40, 69, 0.08);
  border-bottom: 1px solid rgba(26, 40, 69, 0.08);
}

.archive-stat-value-big {
  font-family: var(--font-display), "Unbounded", system-ui, sans-serif;
  font-weight: 600;
  font-size: 44px;
  letter-spacing: -0.035em;
  color: var(--s3-success);
  line-height: 1;
}

.archive-stat-label {
  margin-top: 6px;
  font-size: 13px;
  color: var(--s3-text-soft);
  line-height: 1.4;
}

.archive-stat-sub {
  margin-top: 3px;
  font-family: ui-monospace, "Geist Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--s3-text-muted);
}

.archive-section-head {
  padding: 22px 20px 8px;
  font-family: ui-monospace, "Geist Mono", monospace;
  font-size: 10.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--s3-text-soft);
}

.archive-list {
  padding: 0 20px 8px;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.archive-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid var(--s3-border);
  border-radius: 12px;
  background: transparent;
}

.archive-item-left { flex: 1; min-width: 0; }

.archive-item-name {
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--s3-text);
  margin-bottom: 2px;
}

.archive-item-meta {
  font-size: 12px;
  color: var(--s3-text-soft);
  line-height: 1.4;
}

.archive-item-right {
  text-align: right;
  flex-shrink: 0;
}

.archive-item-saved {
  font-family: var(--font-display), "Unbounded", system-ui, sans-serif;
  font-weight: 500;
  font-size: 16px;
  letter-spacing: -0.015em;
  color: var(--s3-success);
}

.archive-item-saved-sub {
  margin-top: 1px;
  font-family: ui-monospace, "Geist Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--s3-text-muted);
  text-transform: uppercase;
}

.archive-foot-prose {
  padding: 16px 20px 22px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--s3-text-muted);
  font-style: italic;
  text-align: center;
}

/* Empty state */
.archive-empty {
  padding: 40px 30px;
  text-align: center;
}

.archive-empty-icon {
  display: inline-flex;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--s3-border);
  color: var(--s3-text-soft);
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.archive-empty-prose {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--s3-text-soft);
}

/* ============================================
   EASTEREGG SHEET — Founder mode (dark style)
   ============================================ */
.egg-sheet {
  width: 100%;
  max-width: 420px;
  max-height: 92vh;
  background: linear-gradient(160deg, var(--s3-bg-sheet-dark) 0%, #233153 100%);
  color: var(--ivoire, #F5EFE0);
  border-radius: 22px 22px 0 0;
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.4);
}

@media (min-width: 768px) {
  .egg-sheet { border-radius: 22px; max-height: 86vh; }
}

.egg-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 22px 14px;
  border-bottom: 1px solid rgba(245, 239, 224, 0.12);
}

.egg-head-titles { flex: 1; }

.egg-eyebrow {
  font-family: ui-monospace, "Geist Mono", monospace;
  font-size: 10.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(245, 239, 224, 0.55);
  margin-bottom: 5px;
}

.egg-title {
  font-family: var(--font-display), "Unbounded", system-ui, sans-serif;
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--ivoire, #F5EFE0);
  line-height: 1.15;
}

.egg-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(245, 239, 224, 0.18);
  background: transparent;
  color: var(--ivoire, #F5EFE0);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.16s var(--s3-ease);
}
.egg-close:hover { background: rgba(245, 239, 224, 0.08); }

.egg-body {
  padding: 20px 22px 4px;
  overflow-y: auto;
  flex: 1;
}

.egg-stats {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 22px;
}

.egg-stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid rgba(245, 239, 224, 0.08);
}

.egg-stat-row:last-child {
  border-bottom: 0;
}

.egg-stat-label {
  font-size: 13px;
  color: rgba(245, 239, 224, 0.6);
}

.egg-stat-value {
  font-family: ui-monospace, "Geist Mono", monospace;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.005em;
  color: var(--ivoire, #F5EFE0);
}

/* Signature */
.egg-signature {
  padding: 22px 0 14px;
  text-align: center;
  border-top: 1px solid rgba(245, 239, 224, 0.10);
}

.egg-roman {
  font-family: var(--font-display), "Unbounded", system-ui, serif;
  font-weight: 300;
  font-size: 56px;
  letter-spacing: 0.08em;
  color: var(--boow, #F85558);
  line-height: 1;
  margin-bottom: 14px;
}

.egg-citation {
  font-size: 14.5px;
  line-height: 1.55;
  color: rgba(245, 239, 224, 0.78);
  font-style: italic;
  max-width: 28ch;
  margin: 0 auto;
}

.egg-foot {
  padding: 14px 20px 22px;
  border-top: 1px solid rgba(245, 239, 224, 0.10);
}

.egg-btn {
  width: 100%;
  padding: 13px 16px;
  border-radius: 12px;
  border: 0;
  background: var(--ivoire, #F5EFE0);
  color: var(--s3-bg-sheet-dark);
  font: inherit;
  font-weight: 500;
  font-size: 14.5px;
  cursor: pointer;
  transition: all 0.16s var(--s3-ease);
}
.egg-btn:hover { background: #ffffff; }

/* ============================================
   prefers-reduced-motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .pause-sheet, .archive-sheet, .egg-sheet,
  .pause-overlay, .archive-overlay, .egg-overlay {
    animation: none !important;
    transition: none !important;
  }
}