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

:root {
  --bg:         #0a0e14;
  --card:       #111820;
  --card-hover: #161f2a;
  --border:     #1e2a38;
  --text:       #e2e8f0;
  --text-muted: #64748b;
  --accent:     #38bdf8;

  --frozen:     #7dd3fc;
  --thawing:    #38bdf8;
  --growing:    #4ade80;
  --flourishing:#fbbf24;

  --font-ui: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
}

html { font-size: 16px; }
html[dir="rtl"] body {
  font-family: 'Inter', 'Segoe UI', 'Arial', sans-serif;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  line-height: 1.5;
  min-height: 100vh;
}

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

/* ── Layout ───────────────────────────────────────────── */
.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px 24px;
}

/* ── Header ───────────────────────────────────────────── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0 12px;
  border-bottom: 1px solid var(--border);
}
.logo {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--growing);
}
.live-dot {
  width: 7px; height: 7px;
  background: var(--growing);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}
.icon-btn {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 28px; height: 28px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  display: grid; place-items: center;
}
.icon-btn:hover { background: var(--card-hover); color: var(--text); }

/* ── RTL overrides ─────────────────────────────────────── */
html[dir="rtl"] .signal-detail {
  text-align: right;
}
html[dir="rtl"] .pub-item {
  text-align: right;
}
html[dir="rtl"] .modal p,
html[dir="rtl"] .modal li,
html[dir="rtl"] .modal h2,
html[dir="rtl"] .modal h3 {
  text-align: right;
}
html[dir="rtl"] .modal ul {
  padding-right: 18px;
  padding-left: 0;
}
html[dir="rtl"] .gauge-card {
  direction: ltr;
}

/* ── Timestamp bar ───────────────────────────────────── */
.timestamp-bar {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  padding: 8px 0 12px;
}

/* ── Gauge Card ──────────────────────────────────────── */
.gauge-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px 24px;
  text-align: center;
  margin-bottom: 16px;
}
.gauge-title {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.gauge-container {
  position: relative;
  width: 260px;
  height: 148px;
  margin: 0 auto 12px;
}
.gauge-svg { width: 100%; height: 100%; }
.gauge-track {
  fill: none;
  stroke: var(--border);
  stroke-width: 14;
  stroke-linecap: round;
}
.gauge-fill {
  fill: none;
  stroke-width: 14;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.8s ease, stroke 0.8s ease;
}
.gauge-score {
  font-family: var(--font-heading);
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 2px;
}
.status-label {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.status-label.frozen      { color: var(--frozen); }
.status-label.thawing     { color: var(--thawing); }
.status-label.growing     { color: var(--growing); }
.status-label.flourishing { color: var(--flourishing); }

/* ── Chart Section ───────────────────────────────────── */
.chart-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}
.chart-card h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 12px;
}

/* ── Signal Grid ─────────────────────────────────────── */
.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
@media (max-width: 600px) {
  .signal-grid { grid-template-columns: repeat(2, 1fr); }
}
.signal-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  transition: background 0.2s;
  cursor: default;
}
.signal-card:hover { background: var(--card-hover); }
.signal-icon { font-size: 20px; margin-bottom: 6px; }
.signal-name {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.signal-score {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 6px;
}
.signal-detail {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.4;
}
.signal-spark {
  width: 100%;
  height: 32px;
}
.signal-status {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  display: inline-block;
  padding: 2px 6px;
  border-radius: 4px;
}
.signal-status.live   { color: var(--growing); background: rgba(74,222,128,0.1); }
.signal-status.delayed { color: var(--flourishing); background: rgba(251,191,36,0.1); }

/* ── Publications ────────────────────────────────────── */
.pub-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}
.pub-card h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 12px;
}
.pub-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
}
.pub-item:hover {
  background: var(--card-hover);
}
.pub-item:last-child { border-bottom: none; }
.pub-source {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.pub-title {
  font-size: 13px;
  color: var(--text);
  margin-top: 2px;
}
.pub-title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dotted var(--text-muted);
}
.pub-title a:hover {
  color: #38bdf8;
  border-bottom-color: #38bdf8;
}
.pub-date {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}
.pub-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
  text-transform: uppercase;
}
.pub-tag.peace   { color: var(--growing); background: rgba(74,222,128,0.1); }
.pub-tag.neutral { color: var(--thawing); background: rgba(56,189,248,0.1); }
.pub-tag.conflict { color: #ef4444; background: rgba(239,68,68,0.1); }

/* ── Footer ──────────────────────────────────────────── */
.footer {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  padding: 24px 0;
  border-top: 1px solid var(--border);
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 12px;
}
.footer-link {
  font-size: 11px;
  color: var(--accent);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.15s;
  white-space: nowrap;
}
.footer-link:hover {
  opacity: 1;
  text-decoration: underline;
}

/* ── Modal ───────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 100;
  place-items: center;
}
.modal-overlay.active { display: grid; }
.modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  max-width: 540px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}
.modal h2 {
  font-family: var(--font-heading);
  font-size: 18px;
  margin-bottom: 12px;
}
.modal p, .modal li {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 8px;
}
.modal ul { padding-left: 18px; margin-bottom: 12px; } /* RTL override below */
.modal-close {
  background: var(--card-hover);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  margin-top: 12px;
}

/* ── RTL overrides ───────────────────────────────────── */
html[dir="rtl"] .modal ul {
  padding-left: 0;
  padding-right: 18px;
}
html[dir="rtl"] .footer-links {
  direction: ltr;
}