/* ──────────────────────────────────────────────────────────────────────
   Deh's Briefing — visual design.
   Reference: Simon Willison's Weblog + Platformer.news, adapted for a
   personal daily digest (headline + summary + source + importance).
   Light by default, auto-switch to dark via prefers-color-scheme.
   ──────────────────────────────────────────────────────────────────── */

/* ── Tokens (light) ────────────────────────────────────────────────── */
:root {
  --bg:           #fafafa;
  --surface:      #ffffff;
  --surface-2:    #f4f4f5;
  --text:         #18181b;
  --text-muted:   #52525b;
  --text-subtle:  #a1a1aa;
  --border:       #e4e4e7;
  --border-soft:  #f1f1f3;

  --accent:       #2563eb;
  --accent-hover: #1d4ed8;

  --imp-high:     #ef4444;
  --imp-mid:      #f59e0b;
  --imp-low:      #94a3b8;

  --max-width:    720px;
  --radius:       10px;
  --shadow-sm:    0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:    0 2px 8px rgba(0,0,0,0.06);

  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif:   'Source Serif 4', Georgia, "Times New Roman", serif;
  --font-mono:    ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ── Tokens (dark) ────────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --bg:           #0b0b0f;
    --surface:      #14141a;
    --surface-2:    #1c1c24;
    --text:         #f4f4f5;
    --text-muted:   #a1a1aa;
    --text-subtle:  #71717a;
    --border:       #27272f;
    --border-soft:  #1c1c24;

    --accent:       #60a5fa;
    --accent-hover: #93c5fd;

    --imp-high:     #f87171;
    --imp-mid:      #fbbf24;
    --imp-low:      #6b7280;

    --shadow-sm:    0 1px 2px rgba(0,0,0,0.6);
    --shadow-md:    0 4px 14px rgba(0,0,0,0.5);
  }
}

/* ── Reset & base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { color-scheme: light dark; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; text-underline-offset: 3px; }

p { color: var(--text-muted); }

h1, h2, h3, h4, h5 { color: var(--text); letter-spacing: -0.01em; }

/* ── Header ──────────────────────────────────────────────────────── */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(180%) blur(8px);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.site-mark { display: flex; flex-direction: column; line-height: 1.15; }

.site-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}

.site-subtitle {
  font-size: 12px;
  color: var(--text-subtle);
  letter-spacing: 0.02em;
  margin-top: 2px;
}

.site-nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
}

.nav-link {
  color: var(--text-muted);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.nav-link:hover { color: var(--accent); text-decoration: none; }
.nav-link.active { color: var(--text); border-bottom-color: var(--accent); }

/* ── Main layout ─────────────────────────────────────────────────── */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 28px 24px 96px;
}

/* ── Day section ─────────────────────────────────────────────────── */
.day-section { margin-top: 36px; }

.day-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.day-eyebrow {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  margin-right: 4px;
  position: relative;
  top: -2px;
}

.day-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.day-count {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-subtle);
  letter-spacing: 0.04em;
}

.latest-day .day-name { font-size: 28px; }

/* ── Story list ──────────────────────────────────────────────────── */
.story-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }

.story {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, transform 0.15s, border-color 0.15s;
}

.story:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--text-subtle);
  transform: translateY(-1px);
}

/* importance-as-left-border, like a newspaper marking */
.story.importance-high { border-left: 4px solid var(--imp-high); padding-left: 20px; }
.story.importance-mid  { border-left: 4px solid var(--imp-mid);  padding-left: 20px; }
.story.importance-low  { border-left: 4px solid transparent;    padding-left: 22px; }

/* ── Story meta row (tags + importance pill) ─────────────────────── */
.story-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.source-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
  color: var(--src-color, var(--text-muted));
  background: color-mix(in srgb, var(--src-color, var(--text-muted)) 12%, transparent);
}

.source-tag.inline { margin-right: 6px; }
.source-tag.large { font-size: 13px; padding: 5px 12px; }

.source-kind-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--src-color, var(--text-muted));
}

.importance-pill {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: 999px;
  margin-left: auto;
  background: var(--surface-2);
  color: var(--text-muted);
}

.importance-pill.imp-high { color: var(--imp-high); }
.importance-pill.imp-mid  { color: var(--imp-mid); }
.importance-pill.imp-low  { color: var(--imp-low); }

/* ── Story content ───────────────────────────────────────────────── */
.story-headline {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  color: var(--text);
}

.story-summary {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.story-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  transition: all 0.15s;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ext-arrow { font-size: 11px; }

/* ── Whole-card click target ────────────────────────────────────── */
.story.clickable-external, .story.clickable-internal { padding: 0; }
.story.no-source-link .story-link { color: var(--text-subtle); }

.story-anchor {
  display: block;
  padding: 18px 22px;
  color: inherit;
  text-decoration: none;
  border-radius: inherit;
}

.story.clickable-external,
.story.clickable-internal { cursor: pointer; }
.story.clickable-external:hover,
.story.clickable-internal:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--text-subtle);
  transform: translateY(-1px);
}
.story.clickable-external:hover .story-link,
.story.clickable-internal:hover .story-link {
  border-color: var(--accent);
  color: var(--accent-hover);
}
.story.clickable-external:focus-within,
.story.clickable-internal:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Keep importance left-border working when card is wrapped in <a> */
.story.clickable-external.importance-high,
.story.clickable-internal.importance-high { border-left: 4px solid var(--imp-high); }
.story.clickable-external.importance-mid,
.story.clickable-internal.importance-mid  { border-left: 4px solid var(--imp-mid); }

/* Inner links (e.g. the "more sources" sublinks) must not propagate and double-fire */
.more-sources-wrap { padding: 0 22px 14px; }
.more-sources-wrap { margin-top: 10px; border-top: 1px dashed var(--border); }
.more-sources-wrap a { position: relative; z-index: 1; }

/* ── More sources collapsible ─────────────────────────────────────── */
.more-sources {
  margin-top: 10px;
  border-top: 1px dashed var(--border);
  padding-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.more-sources summary {
  cursor: pointer;
  color: var(--text-subtle);
  font-weight: 500;
  list-style: none;
  user-select: none;
}

.more-sources summary::-webkit-details-marker { display: none; }
.more-sources summary:hover { color: var(--accent); }

.more-sources ul { list-style: none; margin-top: 8px; display: flex; flex-direction: column; gap: 4px; }
.more-sources li { word-break: break-all; }
.more-sources .muted { color: var(--text-subtle); }

/* ── Day link button ─────────────────────────────────────────────── */
.day-link-out { margin-top: 18px; }
.btn-link {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  transition: all 0.15s;
}
.btn-link:hover { border-color: var(--accent); text-decoration: none; }

/* ── Day navigation (prev/next) ───────────────────────────────────── */
.day-nav {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
  font-size: 13px;
}

/* ── Archive section ──────────────────────────────────────────────── */
.archive-section { margin-top: 56px; }

.archive-heading {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-subtle);
  margin-bottom: 12px;
}

.archive-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
}

.archive-item a {
  display: flex;
  flex-direction: column;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.15s;
}
.archive-item a:hover { border-color: var(--accent); text-decoration: none; }

.archive-date { font-size: 13px; font-weight: 600; color: var(--text); }
.archive-count { font-size: 11px; color: var(--text-subtle); margin-top: 2px; }

/* ── Updated at / muted text ──────────────────────────────────────── */
.updated-at { font-size: 12px; margin-top: 56px; text-align: center; }
.muted { color: var(--text-subtle); }
.dot { color: var(--text-subtle); margin: 0 8px; }
.link-plain { color: var(--text); }
.link-plain:hover { color: var(--accent); text-decoration: none; }

/* ── Empty state ─────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 16px;
}

.empty-state h2 {
  font-family: var(--font-serif);
  font-size: 28px;
  margin-bottom: 12px;
}

.empty-state p { color: var(--text-muted); margin-bottom: 12px; max-width: 460px; margin-left: auto; margin-right: auto; }

/* ── Source banner ───────────────────────────────────────────────── */
.source-banner {
  margin-top: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.source-heading {
  margin-top: 14px;
  font-family: var(--font-serif);
  font-size: 22px;
}

/* ── Prose (about page) ──────────────────────────────────────────── */
.prose { padding: 40px 0; max-width: 640px; }
.prose h2 { font-family: var(--font-serif); font-size: 28px; margin: 28px 0 14px; }
.prose h3 { font-family: var(--font-serif); font-size: 18px; margin: 22px 0 10px; }
.prose p, .prose li { font-size: 15px; line-height: 1.7; margin-bottom: 10px; }
.prose ol, .prose ul { padding-left: 22px; margin-bottom: 14px; }
.prose strong { color: var(--text); }

/* ── Footer ─────────────────────────────────────────────────────── */
footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  margin-top: 60px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 28px 24px;
  text-align: center;
  font-size: 12px;
  color: var(--text-subtle);
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .header-inner { flex-direction: column; align-items: flex-start; gap: 12px; padding: 14px 16px; }
  .site-nav { gap: 12px; }
  main { padding: 20px 16px 60px; }
  .day-name { font-size: 20px; }
  .latest-day .day-name { font-size: 24px; }
  .story { padding: 16px 18px; }
  .story-headline { font-size: 17px; }
  .archive-list { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
}

/* ── Admin (/admin/) ─────────────────────────────────────────────── */
.admin-shell { padding: 32px 0 60px; }

.admin-header h1 {
  font-family: var(--font-serif);
  font-size: 32px;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.admin-flash {
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin: 14px 0;
  font-weight: 500;
}
.admin-flash.ok  { background: color-mix(in srgb, var(--imp-low) 15%, transparent); color: var(--text); }
.admin-flash.err { background: color-mix(in srgb, var(--imp-high) 15%, transparent); color: var(--text); }

.admin-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin: 24px 0;
}
.admin-card h2 {
  font-family: var(--font-serif);
  font-size: 20px;
  margin-bottom: 8px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 13px;
}
.admin-table th, .admin-table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.admin-table th {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-subtle);
}
.admin-table tr.muted-row { opacity: 0.55; }

.src-id, .admin-card code { font-family: var(--font-mono); font-size: 11px; color: var(--text-subtle); }
.src-feed a { font-family: var(--font-mono); font-size: 12px; word-break: break-all; }

.kind-pill {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
}
.kind-pill.kind-rss     { background: color-mix(in srgb, #f59e0b 18%, transparent); color: #b45309; }
.kind-pill.kind-youtube { background: color-mix(in srgb, #ef4444 15%, transparent); color: #b91c1c; }
.kind-pill.kind-podcast { background: color-mix(in srgb, #8b5cf6 18%, transparent); color: #6d28d9; }

.kw-details { margin-top: 4px; }
.kw-details summary {
  font-size: 11px;
  color: var(--text-subtle);
  cursor: pointer;
  font-family: var(--font-mono);
}
.kw-list { font-family: var(--font-mono); font-size: 11px; margin-top: 4px; color: var(--text-muted); }

.admin-collapsible { border-top: 1px dashed var(--border); padding-top: 16px; margin-top: 16px; }
.admin-collapsible summary {
  cursor: pointer;
  font-weight: 500;
  font-size: 13px;
  color: var(--accent);
  user-select: none;
}
.admin-collapsible summary::-webkit-details-marker { display: none; }
.admin-collapsible summary:hover { color: var(--accent-hover); }

.admin-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
  margin-top: 14px;
}
.admin-form label {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  color: var(--text-subtle);
  font-weight: 500;
  gap: 4px;
}
.admin-form label.full { grid-column: span 2; }
.admin-form input, .admin-form select {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text);
}
.admin-form input:focus, .admin-form select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.admin-actions { grid-column: span 2; display: flex; gap: 8px; }

.btn {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
}
.btn:hover { border-color: var(--text-subtle); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.btn-mini { padding: 4px 10px; font-size: 11px; }
.btn.btn-primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.btn.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.btn-danger {
  background: color-mix(in srgb, var(--imp-high) 12%, transparent);
  color: var(--imp-high);
  border-color: color-mix(in srgb, var(--imp-high) 30%, transparent);
}

.run-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: var(--surface-2);
  border-radius: 6px;
  font-size: 13px;
  margin: 12px 0;
}

.status-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}
.dot-idle    { background: var(--imp-low); }
.dot-running { background: var(--imp-mid); animation: pulse 1.2s infinite; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.35; }
}

.admin-log {
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.5;
  background: var(--surface-2);
  color: var(--text-muted);
  padding: 14px 16px;
  border-radius: 6px;
  max-height: 360px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  margin-top: 12px;
  border: 1px solid var(--border);
}

.small { font-size: 12px; }

.cell-input {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface-2);
  color: var(--text);
  width: 100%;
  box-sizing: border-box;
}
.cell-input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

.inline-edit-form { display: contents; }

@media (max-width: 720px) {
  .admin-form { grid-template-columns: 1fr; }
  .admin-form label.full, .admin-actions { grid-column: span 1; }
  .admin-table { font-size: 12px; }
  .admin-table th, .admin-table td { padding: 8px 6px; }
}