/* ============================================================
   31-Time-Machine — Vibe Code News · מכונת זמן
   Date slider at bottom. Today = full color editorial.
   Past = sepia/archived treatment. Drag slider → page redraws.
   Chat top fixed, date-aware. RTL.
   - No neon, no cyberpunk, no neomorphism.
   ============================================================ */

/* ─── Palette: TODAY (full color editorial) ─── */
:root {
  /* Today — bright, fresh */
  --paper:         #fbfaf6;
  --paper-deep:    #f3efe6;
  --paper-line:    #e5ddcc;
  --ink:           #1a1410;
  --ink-soft:      #4a3f33;
  --ink-faint:     #8a7a68;

  --today-bg:      #fbfaf6;
  --today-accent:  #b13a2a;       /* newsprint red */
  --today-fresh:   #2e7d3b;       /* breaking green */
  --today-link:    #1a4d8f;       /* deep blue links */
  --today-card:    #ffffff;
  --today-card-edge: #1a1410;
  --today-shadow:  rgba(20, 14, 10, 0.12);
  --today-meta:    #6a5a48;
  --today-mark:    #d6a92b;       /* marker yellow */

  /* Chat skin — WhatsApp (default) */
  --skin-wa-bg:    #ece5dd;
  --skin-wa-out:   #dcf8c6;
  --skin-wa-in:    #ffffff;
  --skin-wa-accent:#075e54;
  --skin-wa-dot:   #25d366;

  /* Chat skin — Telegram */
  --skin-tg-bg:    #e7eef5;
  --skin-tg-out:   #c8e1f0;
  --skin-tg-in:    #ffffff;
  --skin-tg-accent:#2aabee;
  --skin-tg-dot:   #2aabee;

  /* Chat skin — Messenger */
  --skin-ms-bg:    #eef0f3;
  --skin-ms-out:   #b7d6ff;
  --skin-ms-in:    #ffffff;
  --skin-ms-accent:#7b68ee;
  --skin-ms-dot:   #ff5e7e;

  /* Slider / chrome */
  --slider-track:  rgba(20, 14, 10, 0.16);
  --slider-fill:   var(--today-accent);
  --slider-handle: #fbfaf6;
  --slider-handle-edge: var(--today-accent);
  --slider-shadow: rgba(20, 14, 10, 0.25);

  /* Sepia / archive */
  --sepia-bg:      #d9c39a;
  --sepia-paper:   #e9d8b3;
  --sepia-paper-2: #d6c294;
  --sepia-ink:     #3a2a18;
  --sepia-ink-soft:#5b4427;
  --sepia-ink-faint:#80603f;
  --sepia-line:    rgba(58, 42, 24, 0.22);
  --sepia-accent:  #8a4a1f;
  --sepia-mark:    #c79444;
}

/* ─── Past-date overrides via body[data-date-mode="past"] ─── */
body[data-date-mode="past"] {
  /* Sepia treatment — entire page tinted */
  background: var(--sepia-bg);
  color: var(--sepia-ink);
}
body[data-date-mode="today"] {
  background: var(--today-bg);
  color: var(--ink);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Heebo', 'Arial Hebrew', 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.55;
  transition: background-color 0.45s ease, color 0.45s ease;
}

body {
  min-height: 100vh;
  /* Editorial paper texture for today */
  background-image:
    radial-gradient(circle at 18% 24%, rgba(177, 58, 42, 0.04) 0 1px, transparent 1.5px),
    radial-gradient(circle at 72% 60%, rgba(177, 58, 42, 0.04) 0 1px, transparent 1.5px),
    linear-gradient(180deg, var(--today-bg) 0%, var(--paper-deep) 100%);
  background-size: 320px 320px, 280px 280px, 100% 100%;
}

body[data-date-mode="past"] {
  /* Sepia / archive paper texture */
  background-image:
    radial-gradient(circle at 22% 28%, rgba(58, 42, 24, 0.10) 0 1.2px, transparent 1.7px),
    radial-gradient(circle at 78% 65%, rgba(58, 42, 24, 0.10) 0 1.2px, transparent 1.7px),
    linear-gradient(180deg, var(--sepia-bg) 0%, var(--sepia-paper-2) 100%);
  background-size: 220px 220px, 250px 250px, 100% 100%;
}

/* Reserve space: top chat + bottom slider */
body {
  padding-top: 116px; /* POLISHED: tighter */
  padding-bottom: 152px; /* POLISHED: tighter */
}

/* ═════════════════════════════════════════════════════════════
   CHAT — TOP, fixed (mandatory upper position)
   Date-aware: shows different messages for different dates.
   ═════════════════════════════════════════════════════════════ */
#chat-host {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  direction: rtl;
}

.chat-bar {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 0;
  background: var(--skin-wa-bg);
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.16), inset 0 -1px 0 rgba(0, 0, 0, 0.04);
  direction: ltr;
  padding: 8px 14px;
}

.chat-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px 0 14px;
  border-right: 1px solid rgba(0, 0, 0, 0.08);
  min-width: 220px;
}

.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--skin-wa-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Frank Ruhl Libre', serif;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.chat-head-info {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.chat-head-name {
  font-family: 'Frank Ruhl Libre', serif;
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
}

.chat-head-status {
  font-size: 11px;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.chat-date-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--today-accent);
  color: #fff;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.3px;
  margin-right: 4px;
}

body[data-date-mode="past"] .chat-date-pill {
  background: var(--sepia-accent);
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--skin-wa-dot);
  display: inline-block;
  animation: pulse 1.6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.35; }
}

.chat-messages-strip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
  scroll-behavior: smooth;
  background: var(--skin-wa-out);
  min-height: 56px;
}

.chat-messages-strip::-webkit-scrollbar { height: 4px; }
.chat-messages-strip::-webkit-scrollbar-thumb { background: rgba(0, 0, 0, 0.18); border-radius: 2px; }

.bubble-strip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--skin-wa-in);
  border-radius: 14px;
  font-size: 12.5px;
  color: var(--ink);
  white-space: nowrap;
  max-width: 380px;
  overflow: hidden;
  text-overflow: ellipsis;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.bubble-strip.urgent {
  border-color: var(--today-accent);
  box-shadow: 0 0 0 1px var(--today-accent) inset, 0 1px 4px rgba(177, 58, 42, 0.25);
  font-weight: 600;
}

body[data-date-mode="past"] .bubble-strip.urgent {
  border-color: var(--sepia-accent);
  box-shadow: 0 0 0 1px var(--sepia-accent) inset, 0 1px 4px rgba(138, 74, 31, 0.25);
}

.bubble-strip-tag {
  background: var(--skin-wa-accent);
  color: #fff;
  font-size: 9.5px;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  flex-shrink: 0;
}

.bubble-strip-text {
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bubble-strip-time {
  color: var(--ink-faint);
  font-size: 10.5px;
  font-family: 'JetBrains Mono', monospace;
  flex-shrink: 0;
}

.urgent-badge {
  background: var(--today-accent);
  color: #fff;
  font-size: 9.5px;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 700;
  letter-spacing: 0.4px;
  flex-shrink: 0;
}

body[data-date-mode="past"] .urgent-badge {
  background: var(--sepia-accent);
}

.typing-strip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 14px;
  flex-shrink: 0;
}

.typing-strip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--skin-wa-accent);
  animation: typing-bounce 1.2s ease-in-out infinite;
}

.typing-strip-dot:nth-child(2) { animation-delay: 0.15s; }
.typing-strip-dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30%           { transform: translateY(-4px); opacity: 1; }
}

.chat-input-strip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
  border-left: 1px solid rgba(0, 0, 0, 0.08);
}

.chat-input-field {
  background: var(--skin-wa-in);
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 16px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--ink-faint);
  min-width: 140px;
  font-family: 'Heebo', sans-serif;
}

.chat-send-btn {
  background: var(--skin-wa-accent);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 13px;
}

.chat-skin-strip {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 10px;
  border-left: 1px solid rgba(0, 0, 0, 0.08);
}

.chat-skin-label {
  font-size: 10px;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 700;
  margin-left: 2px;
}

.skin-btn {
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 6px;
  width: 26px;
  height: 26px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  color: var(--ink-soft);
  transition: all 0.15s ease;
  font-family: 'Heebo', sans-serif;
}

.skin-btn:hover { background: rgba(0, 0, 0, 0.05); }

.skin-btn.active {
  background: var(--skin-wa-accent);
  color: #fff;
  border-color: var(--skin-wa-accent);
}

/* Skin: Telegram */
.chat-bar.skin-tg .bubble-strip { background: var(--skin-tg-in); }
.chat-bar.skin-tg .chat-avatar,
.chat-bar.skin-tg .skin-btn.active,
.chat-bar.skin-tg .chat-send-btn { background: var(--skin-tg-accent); border-color: var(--skin-tg-accent); }
.chat-bar.skin-tg .bubble-strip-tag { background: var(--skin-tg-accent); }
.chat-bar.skin-tg .live-dot { background: var(--skin-tg-dot); }
.chat-bar.skin-tg .typing-strip-dot { background: var(--skin-tg-accent); }
.chat-bar.skin-tg .chat-messages-strip { background: var(--skin-tg-out); }

/* Skin: Messenger */
.chat-bar.skin-ms .bubble-strip { background: var(--skin-ms-in); }
.chat-bar.skin-ms .chat-avatar {
  background: linear-gradient(135deg, #00b2ff 0%, #7b68ee 50%, #ff5e7e 100%);
}
.chat-bar.skin-ms .skin-btn.active {
  background: linear-gradient(135deg, #00b2ff 0%, #7b68ee 100%);
  border-color: #7b68ee;
}
.chat-bar.skin-ms .chat-send-btn {
  background: linear-gradient(135deg, #00b2ff 0%, #7b68ee 100%);
}
.chat-bar.skin-ms .bubble-strip-tag { background: linear-gradient(135deg, #00b2ff 0%, #7b68ee 100%); }
.chat-bar.skin-ms .live-dot { background: var(--skin-ms-dot); }
.chat-bar.skin-ms .typing-strip-dot { background: var(--skin-ms-accent); }
.chat-bar.skin-ms .chat-messages-strip { background: var(--skin-ms-out); }

/* ═════════════════════════════════════════════════════════════
   PAGE HEADER — masthead with current date
   ═════════════════════════════════════════════════════════════ */
.page-header {
  max-width: 1380px;
  margin: 0 auto 24px;
  padding: 14px 24px 12px;
  background: var(--paper);
  border: 1px solid var(--today-card-edge);
  border-radius: 6px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  box-shadow: 0 4px 12px var(--today-shadow);
}

body[data-date-mode="past"] .page-header {
  background: var(--sepia-paper);
  border-color: var(--sepia-ink);
  box-shadow: 0 4px 12px rgba(58, 42, 24, 0.18);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Frank Ruhl Libre', serif;
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -1px;
}

body[data-date-mode="past"] .brand-mark {
  background: var(--sepia-ink);
  color: var(--sepia-paper);
}

.brand-name {
  font-family: 'Frank Ruhl Libre', serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  line-height: 1.1;
}

body[data-date-mode="past"] .brand-name { color: var(--sepia-ink); }

.brand-sub {
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
  margin-top: 2px;
}

body[data-date-mode="past"] .brand-sub { color: var(--sepia-ink-faint); }

.page-title {
  text-align: center;
  font-family: 'Frank Ruhl Libre', serif;
  font-weight: 700;
  font-size: 24px;
  color: var(--ink);
  line-height: 1.1;
}

body[data-date-mode="past"] .page-title { color: var(--sepia-ink); }

.page-title-meta {
  display: block;
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
  margin-top: 4px;
  font-weight: 400;
}

body[data-date-mode="past"] .page-title-meta { color: var(--sepia-ink-faint); }

.page-nav {
  display: flex;
  gap: 6px;
}

.page-nav a {
  padding: 8px 14px;
  border-radius: 4px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

body[data-date-mode="past"] .page-nav a { color: var(--sepia-ink-soft); }

.page-nav a:hover {
  background: rgba(0, 0, 0, 0.06);
}

.page-nav a.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

body[data-date-mode="past"] .page-nav a.active {
  background: var(--sepia-ink);
  color: var(--sepia-paper);
  border-color: var(--sepia-ink);
}

/* ═════════════════════════════════════════════════════════════
   DATE STAMP — large editorial date display (today/past)
   ═════════════════════════════════════════════════════════════ */
.date-stamp {
  max-width: 1380px;
  margin: 0 auto 22px; /* POLISHED: tighter */
  padding: 24px 30px; /* POLISHED: tighter */
  background: var(--today-card);
  border: 2px solid var(--ink);
  border-radius: 4px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  box-shadow: 0 6px 20px var(--today-shadow);
  position: relative;
  overflow: hidden;
}

body[data-date-mode="past"] .date-stamp {
  background: var(--sepia-paper);
  border-color: var(--sepia-ink);
  color: var(--sepia-ink);
  box-shadow: 0 6px 20px rgba(58, 42, 24, 0.18);
}

.date-stamp::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, transparent 0 31px, var(--paper-line) 31px 32px);
  opacity: 0.35;
  pointer-events: none;
}

body[data-date-mode="past"] .date-stamp::before {
  background-image: repeating-linear-gradient(0deg, transparent 0 31px, var(--sepia-line) 31px 32px);
}

.date-stamp-text {
  position: relative;
  z-index: 1;
}

.date-stamp h1 {
  font-family: 'Frank Ruhl Libre', serif;
  font-weight: 900;
  font-size: 42px; /* POLISHED: less huge */
  line-height: 1;
  margin: 0 0 6px;
  letter-spacing: -1.5px;
}

.date-stamp-sub {
  font-size: 14px;
  color: var(--today-meta);
  letter-spacing: 0.3px;
  font-family: 'JetBrains Mono', monospace;
  margin-top: 8px;
  text-transform: uppercase;
}

body[data-date-mode="past"] .date-stamp-sub { color: var(--sepia-ink-soft); }

.date-stamp-tag {
  position: relative;
  z-index: 1;
  background: var(--today-accent);
  color: #fff;
  font-family: 'Frank Ruhl Libre', serif;
  font-weight: 700;
  font-size: 18px;
  padding: 16px 24px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  text-align: center;
  white-space: nowrap;
}

body[data-date-mode="past"] .date-stamp-tag {
  background: var(--sepia-accent);
}

.date-stamp-tag .stamp-day {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  margin-top: 4px;
  letter-spacing: 0.4px;
  opacity: 0.85;
  font-weight: 400;
}

/* ═════════════════════════════════════════════════════════════
   NEWS GRID — main news list for selected date
   ═════════════════════════════════════════════════════════════ */
.news-section,
.articles-section {
  max-width: 1380px;
  margin: 0 auto 32px;
  padding: 0 16px;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 6px;
}

body[data-date-mode="past"] .section-head { border-color: var(--sepia-ink); }

.section-head h2 {
  font-family: 'Frank Ruhl Libre', serif;
  font-weight: 700;
  font-size: 22px;
  margin: 0;
  color: var(--ink);
}

body[data-date-mode="past"] .section-head h2 { color: var(--sepia-ink); }

.section-head .section-meta {
  font-size: 11px;
  color: var(--ink-faint);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

body[data-date-mode="past"] .section-head .section-meta { color: var(--sepia-ink-faint); }

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.news-card {
  background: var(--today-card);
  border: 1px solid var(--ink);
  border-radius: 4px;
  padding: 14px 16px 12px; /* POLISHED: tighter */
  position: relative;
  box-shadow: 0 2px 8px var(--today-shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  min-height: 160px; /* POLISHED: less huge */
}

body[data-date-mode="past"] .news-card {
  background: var(--sepia-paper);
  border-color: var(--sepia-ink);
  box-shadow: 0 2px 8px rgba(58, 42, 24, 0.14);
}

.news-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px var(--today-shadow);
}

body[data-date-mode="past"] .news-card:hover {
  box-shadow: 0 6px 18px rgba(58, 42, 24, 0.20);
}

.news-card.urgency-breaking {
  border-color: var(--today-accent);
  border-width: 2px;
}

body[data-date-mode="past"] .news-card.urgency-breaking {
  border-color: var(--sepia-accent);
}

.news-card .urgency-pill {
  position: absolute;
  top: -10px;
  inset-inline-end: 14px;
  background: var(--today-accent);
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 3px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

body[data-date-mode="past"] .news-card .urgency-pill {
  background: var(--sepia-accent);
}

.news-card .news-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--today-meta);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

body[data-date-mode="past"] .news-card .news-meta {
  color: var(--sepia-ink-soft);
}

.news-card .news-meta .meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.5;
}

.news-card h3 {
  font-family: 'Frank Ruhl Libre', serif;
  font-weight: 700;
  font-size: 19px;
  line-height: 1.25;
  margin: 0 0 8px;
  color: var(--ink);
}

body[data-date-mode="past"] .news-card h3 { color: var(--sepia-ink); }

.news-card .news-dek {
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--ink-soft);
  margin: 0 0 10px;
  flex-grow: 1;
}

body[data-date-mode="past"] .news-card .news-dek { color: var(--sepia-ink-soft); }

.news-card .news-source {
  font-size: 11px;
  color: var(--ink-faint);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.3px;
  border-top: 1px dashed var(--paper-line);
  padding-top: 8px;
  margin-top: auto;
}

body[data-date-mode="past"] .news-card .news-source {
  color: var(--sepia-ink-faint);
  border-color: var(--sepia-line);
}

/* ARTICLE GRID (similar, slightly bigger) */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
}

.article-card {
  background: var(--today-card);
  border: 1px solid var(--ink);
  border-radius: 4px;
  padding: 18px 20px 16px; /* POLISHED: tighter */
  position: relative;
  box-shadow: 0 3px 10px var(--today-shadow);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  min-height: 200px; /* POLISHED: less huge */
  transition: transform 0.18s ease;
}

body[data-date-mode="past"] .article-card {
  background: var(--sepia-paper);
  border-color: var(--sepia-ink);
  box-shadow: 0 3px 10px rgba(58, 42, 24, 0.14);
}

.article-card:hover {
  transform: translateY(-2px);
}

.article-card .article-cat {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  color: var(--today-accent);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
}

body[data-date-mode="past"] .article-card .article-cat {
  color: var(--sepia-accent);
}

.article-card h3 {
  font-family: 'Frank Ruhl Libre', serif;
  font-weight: 700;
  font-size: 20px; /* POLISHED: less huge */
  line-height: 1.22;
  margin: 0 0 8px;
  color: var(--ink);
}

body[data-date-mode="past"] .article-card h3 { color: var(--sepia-ink); }

.article-card .article-excerpt {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0 0 14px;
  flex-grow: 1;
}

body[data-date-mode="past"] .article-card .article-excerpt {
  color: var(--sepia-ink-soft);
}

.article-card .article-foot {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--ink-faint);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.3px;
  border-top: 1px dashed var(--paper-line);
  padding-top: 10px;
  margin-top: auto;
}

body[data-date-mode="past"] .article-card .article-foot {
  color: var(--sepia-ink-faint);
  border-color: var(--sepia-line);
}

/* Archive seal — appears only on past dates */
.archive-seal {
  display: none;
}

body[data-date-mode="past"] .archive-seal {
  display: inline-block;
  position: absolute;
  top: 14px;
  inset-inline-start: 14px;
  background: var(--sepia-accent);
  color: var(--sepia-paper);
  font-family: 'Frank Ruhl Libre', serif;
  font-weight: 700;
  font-size: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  transform: rotate(-3deg);
  border: 1.5px dashed var(--sepia-ink);
}

/* ═════════════════════════════════════════════════════════════
   TIMELINE GRID — full timeline visible on index
   ═════════════════════════════════════════════════════════════ */
.timeline-grid {
  max-width: 1380px;
  margin: 0 auto 24px;
  padding: 0 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.timeline-cell {
  background: var(--paper);
  border: 1px solid var(--paper-line);
  border-radius: 4px;
  padding: 12px 14px;
  font-size: 12px;
  color: var(--ink-soft);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.timeline-cell:hover {
  border-color: var(--today-accent);
  background: var(--today-card);
}

.timeline-cell .timeline-date {
  font-weight: 700;
  font-size: 13px;
  color: var(--ink);
}

.timeline-cell .timeline-stats {
  font-size: 10.5px;
  color: var(--ink-faint);
  letter-spacing: 0.4px;
}

body[data-date-mode="past"] .timeline-cell {
  background: var(--sepia-paper);
  border-color: var(--sepia-ink);
  color: var(--sepia-ink-soft);
}

body[data-date-mode="past"] .timeline-cell .timeline-date { color: var(--sepia-ink); }
body[data-date-mode="past"] .timeline-cell .timeline-stats { color: var(--sepia-ink-faint); }
body[data-date-mode="past"] .timeline-cell:hover { border-color: var(--sepia-accent); }

/* ═════════════════════════════════════════════════════════════
   BOTTOM DATE SLIDER — fixed at bottom of viewport
   Draggable, click-on-track also selects.
   ═════════════════════════════════════════════════════════════ */
#slider-host {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  direction: rtl;
}

.slider-bar {
  background: var(--ink);
  color: var(--paper);
  border-top: 2px solid var(--today-accent);
  box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.25);
  padding: 14px 24px 18px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 22px;
  align-items: center;
}

body[data-date-mode="past"] .slider-bar {
  background: var(--sepia-ink);
  border-top-color: var(--sepia-accent);
}

.slider-label {
  font-family: 'Frank Ruhl Libre', serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  gap: 2px;
  white-space: nowrap;
}

.slider-label .slider-label-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 400;
  opacity: 0.7;
  letter-spacing: 0.6px;
}

.slider-track-wrap {
  position: relative;
  height: 56px;
  padding: 14px 0;
  user-select: none;
  touch-action: none;
}

.slider-track {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 6px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 3px;
  transform: translateY(-50%);
}

.slider-tick {
  position: absolute;
  top: 50%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: 2px solid rgba(255, 255, 255, 0.6);
  transform: translate(-50%, -50%);
  z-index: 2;
  pointer-events: none;
}

.slider-tick.is-selected {
  background: var(--today-mark);
  border-color: var(--today-mark);
  box-shadow: 0 0 0 4px rgba(214, 169, 43, 0.25);
}

body[data-date-mode="past"] .slider-tick.is-selected {
  background: var(--sepia-mark);
  border-color: var(--sepia-mark);
}

.slider-tick-label {
  position: absolute;
  top: calc(50% + 18px);
  transform: translateX(-50%);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
  pointer-events: none;
}

.slider-tick-label.is-selected {
  color: var(--today-mark);
  font-weight: 700;
}

body[data-date-mode="past"] .slider-tick-label.is-selected {
  color: var(--sepia-mark);
}

.slider-fill {
  position: absolute;
  top: 50%;
  left: 0;
  height: 6px;
  background: var(--today-mark);
  border-radius: 3px;
  transform: translateY(-50%);
  pointer-events: none;
}

body[data-date-mode="past"] .slider-fill {
  background: var(--sepia-mark);
}

.slider-handle {
  position: absolute;
  top: 50%;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--today-mark);
  border: 3px solid var(--ink);
  transform: translate(-50%, -50%);
  cursor: grab;
  z-index: 4;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.slider-handle:hover { transform: translate(-50%, -50%) scale(1.08); }
.slider-handle.is-dragging { cursor: grabbing; transform: translate(-50%, -50%) scale(1.12); }

body[data-date-mode="past"] .slider-handle {
  background: var(--sepia-mark);
  border-color: var(--sepia-ink);
}

.slider-current {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  text-align: end;
  white-space: nowrap;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.slider-current .slider-current-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  opacity: 0.7;
}

.slider-current .slider-current-date {
  font-family: 'Frank Ruhl Libre', serif;
  font-weight: 700;
  font-size: 16px;
}

/* ═════════════════════════════════════════════════════════════
   BANNER row — date ribbon intro on each page
   ═════════════════════════════════════════════════════════════ */
.intro-ribbon {
  max-width: 1380px;
  margin: 0 auto 24px;
  padding: 18px 22px;
  background: var(--paper);
  border: 1px dashed var(--ink);
  border-radius: 4px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.55;
}

body[data-date-mode="past"] .intro-ribbon {
  background: var(--sepia-paper);
  border-color: var(--sepia-ink);
  color: var(--sepia-ink-soft);
}

.intro-ribbon strong {
  color: var(--ink);
  font-family: 'Frank Ruhl Libre', serif;
}

body[data-date-mode="past"] .intro-ribbon strong { color: var(--sepia-ink); }

/* Empty state for past dates with no items */
.empty-state {
  max-width: 800px;
  margin: 0 auto 32px;
  padding: 36px 32px;
  text-align: center;
  background: var(--paper);
  border: 1px dashed var(--ink-faint);
  border-radius: 4px;
  font-family: 'Frank Ruhl Libre', serif;
  font-style: italic;
  color: var(--ink-faint);
  font-size: 16px;
}

body[data-date-mode="past"] .empty-state {
  background: var(--sepia-paper);
  color: var(--sepia-ink-faint);
  border-color: var(--sepia-ink-faint);
}

/* ═════════════════════════════════════════════════════════════
   ARTICLE DETAIL (article.html, modal-like)
   ═════════════════════════════════════════════════════════════ */
.article-detail {
  max-width: 880px;
  margin: 0 auto 32px;
  padding: 36px 38px;
  background: var(--today-card);
  border: 1px solid var(--ink);
  border-radius: 4px;
  box-shadow: 0 6px 20px var(--today-shadow);
  position: relative;
}

body[data-date-mode="past"] .article-detail {
  background: var(--sepia-paper);
  border-color: var(--sepia-ink);
  box-shadow: 0 6px 20px rgba(58, 42, 24, 0.18);
}

.article-detail .article-detail-cat {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--today-accent);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
}

body[data-date-mode="past"] .article-detail .article-detail-cat {
  color: var(--sepia-accent);
}

.article-detail h1 {
  font-family: 'Frank Ruhl Libre', serif;
  font-weight: 900;
  font-size: 36px;
  line-height: 1.15;
  margin: 0 0 14px;
  color: var(--ink);
}

body[data-date-mode="past"] .article-detail h1 { color: var(--sepia-ink); }

.article-detail .article-detail-meta {
  font-size: 12px;
  color: var(--ink-faint);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.4px;
  border-bottom: 1px dashed var(--paper-line);
  padding-bottom: 12px;
  margin-bottom: 18px;
}

body[data-date-mode="past"] .article-detail .article-detail-meta {
  color: var(--sepia-ink-faint);
  border-color: var(--sepia-line);
}

.article-detail .article-detail-excerpt {
  font-size: 17px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 20px;
  border-inline-start: 3px solid var(--today-accent);
  padding-inline-start: 14px;
}

body[data-date-mode="past"] .article-detail .article-detail-excerpt {
  border-color: var(--sepia-accent);
  color: var(--sepia-ink-soft);
}

.article-detail p {
  font-size: 15.5px;
  line-height: 1.65;
  margin: 0 0 14px;
  color: var(--ink-soft);
}

body[data-date-mode="past"] .article-detail p { color: var(--sepia-ink-soft); }

.article-detail .article-detail-tldr {
  margin-top: 24px;
  padding: 16px 18px;
  background: rgba(214, 169, 43, 0.10);
  border-radius: 4px;
  font-size: 14px;
  color: var(--ink);
}

body[data-date-mode="past"] .article-detail .article-detail-tldr {
  background: rgba(199, 148, 68, 0.18);
  color: var(--sepia-ink);
}

.article-detail .article-detail-tldr strong {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--today-accent);
  margin-bottom: 4px;
}

body[data-date-mode="past"] .article-detail .article-detail-tldr strong {
  color: var(--sepia-accent);
}

/* Filter chips for article page */
.date-chips {
  max-width: 1380px;
  margin: 0 auto 20px;
  padding: 0 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.date-chip {
  background: var(--paper);
  border: 1px solid var(--paper-line);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.date-chip:hover {
  border-color: var(--today-accent);
  color: var(--today-accent);
}

.date-chip.is-active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

body[data-date-mode="past"] .date-chip {
  background: var(--sepia-paper);
  border-color: var(--sepia-ink);
  color: var(--sepia-ink-soft);
}
body[data-date-mode="past"] .date-chip:hover {
  border-color: var(--sepia-accent);
  color: var(--sepia-accent);
}
body[data-date-mode="past"] .date-chip.is-active {
  background: var(--sepia-ink);
  color: var(--sepia-paper);
  border-color: var(--sepia-ink);
}

/* Reduced motion respect */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* Mobile responsive */
@media (max-width: 720px) {
  .page-header {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .page-nav { justify-content: center; flex-wrap: wrap; }
  .date-stamp {
    grid-template-columns: 1fr;
    padding: 22px;
  }
  .date-stamp h1 { font-size: 38px; }
  .slider-bar {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .slider-current { text-align: center; }
  .slider-track-wrap { height: 70px; }
  .chat-bar { grid-template-columns: 1fr; padding: 8px; }
  .chat-brand { border-right: none; min-width: 0; }
  .chat-input-strip, .chat-skin-strip { border-left: none; padding: 4px 8px; }
}