/* 3GPP Tracker — minimalist technical aesthetic */

:root {
  --bg: #fafaf7;
  --bg-elevated: #ffffff;
  --bg-code: #f3f3ed;
  --text: #1a1a1a;
  --text-muted: #6b6b66;
  --text-faint: #9a9a94;
  --border: #e5e5dc;
  --border-strong: #c8c8bc;
  --accent: #b8371c;        /* Huawei-red inspired, but muted */
  --accent-soft: #f5e8e4;
  --tag-bg: #eceadf;
  --link: #1f4068;
  --link-hover: #b8371c;
  --success: #3a7340;
  --warning: #b07020;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #13130f;
    --bg-elevated: #1c1c17;
    --bg-code: #232320;
    --text: #e8e6dc;
    --text-muted: #a8a69c;
    --text-faint: #6f6e66;
    --border: #2e2e28;
    --border-strong: #454540;
    --accent: #e06148;
    --accent-soft: #2d1a14;
    --tag-bg: #2a2a23;
    --link: #6a9bd1;
    --link-hover: #e06148;
  }
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Charter", "Iowan Old Style", "Palatino Linotype",
               "Palatino", "Georgia", serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.mono, code, pre, .tdoc-id, .wi-id {
  font-family: "JetBrains Mono", "IBM Plex Mono", "SF Mono",
               "Menlo", "Consolas", monospace;
  font-feature-settings: "tnum", "zero";
}

a {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s, color 0.15s;
}

a:hover {
  color: var(--link-hover);
  border-bottom-color: var(--link-hover);
}

/* --- Layout --- */

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

header.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 1.2rem 0;
  margin-bottom: 2rem;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.site-title {
  font-family: "Charter", serif;
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

.site-title .accent {
  color: var(--accent);
}

.site-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: "JetBrains Mono", monospace;
  letter-spacing: 0.02em;
}

.search-box {
  flex: 1;
  max-width: 500px;
}

.search-box form {
  display: flex;
  gap: 0;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  overflow: hidden;
  background: var(--bg);
}

.search-box input[type="search"] {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0.6rem 0.9rem;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  outline: none;
}

.search-box input[type="search"]::placeholder {
  color: var(--text-faint);
}

.search-box button {
  border: none;
  background: var(--text);
  color: var(--bg);
  padding: 0.6rem 1.2rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  text-transform: uppercase;
}

.search-box button:hover {
  background: var(--accent);
}

/* --- Typography --- */

h1 {
  font-family: "Charter", serif;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.4rem;
  letter-spacing: -0.015em;
}

h2 {
  font-family: "Charter", serif;
  font-size: 1.35rem;
  font-weight: 700;
  margin: 2.2rem 0 0.8rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 1.5rem 0 0.5rem;
}

.page-kicker {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.page-kicker a {
  color: var(--text-muted);
}

/* --- Meeting cards --- */

.meeting-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
}

.meeting-card {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 1.5rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border);
  align-items: center;
}

.meeting-wg {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.meeting-number {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.meeting-location {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.meeting-dates {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--text-faint);
  text-align: right;
}

.meeting-tdoc-count {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.status-pill {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 2px;
}

.status-completed {
  background: var(--tag-bg);
  color: var(--text-muted);
}

.status-upcoming {
  background: var(--accent-soft);
  color: var(--accent);
}

/* --- Tdoc decision status colors --- */
/* Used both as inline metadata text and as pill badges in search results */

.status-agreed,
.status-approved,
.status-endorsed,
.status-conditionally-agreed,
.status-conditionally-approved,
.status-partially-approved {
  color: var(--success);
}

.status-noted,
.status-treated,
.status-replied-to,
.status-merged {
  color: var(--text-muted);
}

.status-revised,
.status-reissued {
  color: var(--link);
}

.status-withdrawn,
.status-rejected,
.status-not-pursued,
.status-not-treated,
.status-not-concluded,
.status-postponed {
  color: var(--warning);
}

/* Pill variant for compact display in search result cards */
.status-pill-agreed,
.status-pill-approved,
.status-pill-endorsed {
  background: rgba(58, 115, 64, 0.12);
  color: var(--success);
}

.status-pill-noted,
.status-pill-treated,
.status-pill-replied-to {
  background: var(--tag-bg);
  color: var(--text-muted);
}

.status-pill-revised {
  background: rgba(31, 64, 104, 0.12);
  color: var(--link);
}

.status-pill-withdrawn,
.status-pill-rejected,
.status-pill-not-pursued,
.status-pill-not-treated {
  background: rgba(176, 112, 32, 0.12);
  color: var(--warning);
}

/* --- Stats strip --- */

.stats-strip {
  display: flex;
  gap: 3rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-value {
  font-family: "JetBrains Mono", monospace;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}

.stat-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

/* --- Tdoc display --- */

.tdoc-card {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border);
}

.tdoc-header {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin-bottom: 0.4rem;
  flex-wrap: wrap;
}

.tdoc-id {
  font-weight: 700;
  color: var(--accent);
  font-size: 0.9rem;
}

.tdoc-company {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.tdoc-tag {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  background: var(--tag-bg);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-radius: 2px;
}

.tdoc-title {
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0.2rem 0;
  color: var(--text);
}

.tdoc-summary {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0.5rem 0;
}

.tdoc-position {
  font-style: italic;
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.55;
  border-left: 2px solid var(--accent);
  padding: 0.3rem 0 0.3rem 0.9rem;
  margin: 0.6rem 0;
}

/* --- Tdoc detail page --- */

.tdoc-detail {
  margin-bottom: 3rem;
}

.tdoc-detail h1 {
  font-size: 1.6rem;
}

.tdoc-detail .tdoc-meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0.8rem 0 1.5rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--border);
}

.tdoc-meta-item {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.tdoc-meta-label {
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.7rem;
}

.tdoc-meta-value {
  color: var(--text);
}

.proposals-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.proposals-list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  line-height: 1.55;
}

.proposals-list li:before {
  content: "▸  ";
  color: var(--accent);
  font-weight: 700;
}

/* --- Work item / meeting index --- */

.index-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.8rem;
  margin: 1.5rem 0;
}

.index-item {
  padding: 1rem;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition: border-color 0.15s;
}

.index-item:hover {
  border-color: var(--accent);
}

.index-item-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  display: block;
  margin-bottom: 0.3rem;
}

.index-item-title:hover {
  color: var(--accent);
}

.index-item-meta {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --- Search results --- */

.search-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2.5rem;
  margin-top: 1rem;
}

.search-filters {
  font-size: 0.88rem;
}

.search-filters h3 {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 0.5rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.search-filters select {
  width: 100%;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border-strong);
  background: var(--bg);
  font-family: inherit;
  font-size: 0.88rem;
  color: var(--text);
  margin-bottom: 1rem;
  border-radius: 2px;
}

.search-filter-group {
  margin-bottom: 1.5rem;
}

.search-results-meta {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.similarity-score {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-faint);
  background: var(--tag-bg);
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  font-weight: 500;
}

.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}

.empty-state .hint {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  color: var(--text-faint);
  margin-top: 0.5rem;
}

/* --- Footer --- */

footer.site-footer {
  margin-top: 4rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: "JetBrains Mono", monospace;
}

footer.site-footer a {
  color: var(--text-muted);
}

/* --- Responsive --- */

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .header-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .search-box {
    max-width: none;
  }

  .meeting-card {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }

  .meeting-dates {
    text-align: left;
  }

  .search-layout {
    grid-template-columns: 1fr;
  }

  .stats-strip {
    flex-wrap: wrap;
    gap: 1.5rem;
  }
}