/* === BASE === */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --red: #c41e1e;
  --red-dim: #8b1a1a;
  --bg: #0a0a0a;
  --surface: #111111;
  --surface-2: #1a1a1a;
  --border: #222222;
  --text: #d4d4d4;
  --text-dim: #777777;
  --text-bright: #f0f0f0;
  --accent: #c41e1e;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', -apple-system, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

/* === HEADER === */
.header {
  text-align: center;
  padding: 60px 0 40px;
}

.header-line {
  width: 60px;
  height: 3px;
  background: var(--red);
  margin: 0 auto 30px;
}

.header h1 {
  font-size: 2.4rem;
  font-weight: 300;
  letter-spacing: 12px;
  color: var(--text-bright);
  margin-bottom: 10px;
}

.red { color: var(--red); font-weight: 600; }

.subtitle {
  font-size: 0.85rem;
  color: var(--text-dim);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.built {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-style: italic;
}

/* === TABS === */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab {
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 12px 18px;
  font-size: 0.85rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: all 0.2s;
}

.tab:hover { color: var(--text); }
.tab.active {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* === SECTIONS === */
.section { display: none; animation: fadeIn 0.3s ease; }
.section.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.section h2 {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-bright);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.section p {
  margin-bottom: 20px;
  color: var(--text);
  font-size: 0.95rem;
}

/* === STAT GRID === */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 30px 0;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--red);
  padding: 24px 20px;
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.4;
}

.stat-sub {
  font-size: 0.7rem;
  color: var(--text-dim);
  opacity: 0.7;
}

/* === INFO BLOCK === */
.info-block {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px;
  margin: 20px 0;
}

.info-block h3 {
  font-size: 0.9rem;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.info-block ul {
  list-style: none;
  padding: 0;
}

.info-block li {
  padding: 6px 0 6px 16px;
  font-size: 0.88rem;
  color: var(--text);
  border-left: 1px solid var(--border);
  margin-bottom: 4px;
}

.info-block li:hover {
  border-left-color: var(--red);
  color: var(--text-bright);
}

/* === PIPELINE === */
.pipeline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 10px 0;
}

.pipe-step {
  font-size: 0.95rem;
  color: var(--text-bright);
  font-weight: 500;
}

.pipe-arrow {
  color: var(--red);
  font-size: 1.2rem;
}

/* === COMPARISONS === */
.comparison-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 28px 24px;
}

.comp-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 6px;
}

.comp-value.red { color: var(--red); }

.comp-value sup {
  font-size: 0.5em;
  vertical-align: super;
}

.comp-label {
  font-size: 0.85rem;
  color: var(--text);
  margin-bottom: 4px;
}

.comp-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.comp-vs {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.comp-left { text-align: right; }
.comp-right { text-align: left; }

/* === DATA TABLE === */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.85rem;
}

.data-table th {
  text-align: left;
  padding: 10px 12px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.highlight-row td {
  background: rgba(196, 30, 30, 0.08);
  color: var(--text-bright);
  font-weight: 500;
}

/* === METHOD CARDS === */
.method-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 28px;
  margin: 24px 0;
}

.method-card h3 {
  font-size: 1.1rem;
  color: var(--text-bright);
  margin-bottom: 6px;
}

.method-sub {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 16px !important;
}

.method-insight {
  background: var(--surface-2);
  border-left: 3px solid var(--red);
  padding: 16px 20px;
  margin-top: 16px;
}

.method-insight p {
  font-size: 0.88rem;
  margin-bottom: 10px;
}

.method-insight p:last-child { margin-bottom: 0; }

.method-note {
  font-size: 0.82rem !important;
  color: var(--text-dim) !important;
  font-style: italic;
  margin-top: 16px;
}

/* === SOURCE GRID === */
.source-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 8px;
  margin: 16px 0;
}

.source {
  padding: 12px 16px;
  background: var(--surface-2);
  font-size: 0.85rem;
  color: var(--text-bright);
  font-weight: 500;
}

.source span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 400;
  margin-top: 4px;
}

/* === QUOTES === */
.quote-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 24px 0;
}

.community-quote {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--red);
  padding: 24px 28px;
}

.community-quote p {
  font-size: 1rem;
  color: var(--text-bright);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 12px;
}

.community-quote cite {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-style: normal;
}

/* === ABSENCE BLOCK === */
.absence-block {
  text-align: center;
  padding: 40px 20px;
  margin: 30px 0;
  background: var(--surface);
  border: 1px solid var(--border);
}

.absence-stat {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.absence-number {
  font-size: 5rem;
  font-weight: 700;
  color: var(--red);
  line-height: 1;
  margin: 16px 0;
}

.absence-label {
  font-size: 1rem;
  color: var(--text);
}

/* === CHAT === */
.chat-container {
  background: var(--surface);
  border: 1px solid var(--border);
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  height: 500px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-message {
  max-width: 85%;
  padding: 12px 16px;
}

.chat-message.agent {
  align-self: flex-start;
  background: var(--surface-2);
  border-left: 2px solid var(--red);
}

.chat-message.user {
  align-self: flex-end;
  background: rgba(196, 30, 30, 0.1);
  border-right: 2px solid var(--red);
}

.chat-sender {
  font-size: 0.7rem;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.chat-text {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.5;
  white-space: pre-wrap;
}

.chat-input-area {
  display: flex;
  border-top: 1px solid var(--border);
}

#chatInput {
  flex: 1;
  background: var(--bg);
  border: none;
  color: var(--text-bright);
  padding: 16px 20px;
  font-size: 0.9rem;
  outline: none;
  font-family: inherit;
}

#chatInput::placeholder {
  color: var(--text-dim);
}

#chatSend {
  background: var(--red);
  border: none;
  color: white;
  padding: 16px 28px;
  font-size: 0.85rem;
  cursor: pointer;
  font-weight: 500;
  letter-spacing: 1px;
  transition: background 0.2s;
}

#chatSend:hover { background: var(--red-dim); }
#chatSend:disabled { opacity: 0.4; cursor: not-allowed; }

.chat-status {
  padding: 6px 20px;
  font-size: 0.75rem;
  color: var(--text-dim);
  min-height: 24px;
}

/* === FOOTER === */
.footer {
  text-align: center;
  padding: 40px 0 60px;
}

.footer p {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 8px;
}

/* === RESPONSIVE === */
@media (max-width: 600px) {
  .header h1 { font-size: 1.6rem; letter-spacing: 6px; }
  .comparison { grid-template-columns: 1fr; text-align: center; gap: 10px; }
  .comp-left, .comp-right { text-align: center; }
  .comp-vs { padding: 4px 0; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .tabs { gap: 0; }
  .tab { padding: 10px 12px; font-size: 0.78rem; }
  .chat-container { height: 400px; }
}