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

:root {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-input: #334155;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-hover: #7dd3fc;
  --border: #334155;
  --radius: 10px;
  --max-w: 1100px;
}

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

a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--accent-hover); }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }

h1 { font-size: 2.2rem; font-weight: 700; margin-bottom: 0.5rem; }
h2 { font-size: 1.5rem; font-weight: 600; margin-bottom: 1rem; color: var(--text); }
h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.5rem; }

/* ===== Header ===== */
.site-header {
  background: rgba(30, 41, 59, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
}
.logo {
  font-size: 1.4rem; font-weight: 800; color: var(--text) !important;
  letter-spacing: -0.5px;
}
.main-nav { display: flex; gap: 24px; }
.main-nav a { color: var(--text-muted); font-weight: 500; font-size: 0.95rem; }
.main-nav a:hover { color: var(--text); }

/* ===== Footer ===== */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 32px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.site-footer nav { margin: 8px 0; display: flex; gap: 16px; justify-content: center; }
.site-footer nav a { color: var(--text-muted); font-size: 0.85rem; }
.disclaimer { font-size: 0.78rem; margin-top: 8px; opacity: 0.6; }

/* ===== Hero ===== */
.hero {
  text-align: center; padding: 60px 20px 40px;
}
.hero h1 { font-size: 2.8rem; margin-bottom: 0.5rem; }
.subtitle { color: var(--text-muted); font-size: 1.15rem; margin-bottom: 2rem; }

.search-box { position: relative; max-width: 550px; margin: 0 auto; }
.search-box input {
  width: 100%;
  padding: 16px 20px;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  background: var(--bg-input);
  color: var(--text);
  font-size: 1.1rem;
  outline: none;
  transition: border-color 0.2s;
}
.search-box input:focus { border-color: var(--accent); }
.search-results {
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0 0 var(--radius) var(--radius);
  max-height: 360px; overflow-y: auto;
  display: none; z-index: 50;
}
.search-results.visible { display: block; }
.search-results a {
  display: block; padding: 12px 20px;
  color: var(--text); border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}
.search-results a:last-child { border-bottom: none; }
.search-results a:hover { background: var(--bg-input); color: var(--text); }
.search-results a strong { color: var(--accent); margin-right: 8px; }
.no-results { padding: 16px 20px; color: var(--text-muted); }

/* ===== City Grid / Cards ===== */
.city-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.city-card {
  display: flex; flex-direction: column; gap: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: border-color 0.2s, transform 0.15s;
  color: var(--text) !important;
}
.city-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.city-name { font-weight: 600; font-size: 1rem; }
.city-country { font-size: 0.85rem; color: var(--text-muted); }

.btn-link {
  display: inline-block; padding: 10px 24px;
  background: var(--accent);
  color: #0f172a !important;
  border-radius: 8px;
  font-weight: 600; font-size: 0.95rem;
  transition: background 0.15s;
}
.btn-link:hover { background: var(--accent-hover); }

/* ===== Features ===== */
.features { padding: 40px 20px 60px; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 20px;
}
.feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.feature h3 { color: var(--accent); }
.feature p { color: var(--text-muted); font-size: 0.95rem; }


/* ===== City Page ===== */
.time-display {
  background: var(--bg-card);
  border: 2px solid var(--accent);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  margin-bottom: 24px;
}
.live-clock { margin-bottom: 12px; }
.clock { font-size: 5rem; font-weight: 800; letter-spacing: 2px; font-variant-numeric: tabular-nums; }
.seconds { font-size: 2rem; color: var(--text-muted); font-weight: 400; font-variant-numeric: tabular-nums; }
.time-info { color: var(--text-muted); font-size: 1.05rem; }
.date { font-size: 1.3rem; color: var(--text); margin-bottom: 4px; }
.timezone { font-size: 1rem; }
.city-meta {
  display: flex; gap: 24px;
  flex-wrap: wrap;
  color: var(--text-muted);
  margin-bottom: 32px;
  font-size: 0.95rem;
}
.city-meta strong { color: var(--text); }

.related-cities { margin-bottom: 32px; }
.about-time {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin: 32px 0;
  clear: both;
}
.about-time p { color: var(--text-muted); line-height: 1.8; }
.about-time strong { color: var(--text); }

/* ===== Converter ===== */
.converter-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 32px;
}
.converter-row {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.converter-field { flex: 1; min-width: 200px; }
.converter-field label {
  display: block; font-size: 0.85rem; color: var(--text-muted);
  margin-bottom: 6px; font-weight: 600;
}
.converter-field select, .converter-field input {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  outline: none;
}
.converter-field select:focus, .converter-field input:focus { border-color: var(--accent); }
.converter-arrow { font-size: 1.5rem; color: var(--accent); padding-top: 20px; }
.convert-result {
  padding: 12px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.live-compare { margin-bottom: 32px; }
.compare-grid { display: flex; align-items: center; justify-content: center; gap: 24px; flex-wrap: wrap; }
.compare-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 32px;
  text-align: center;
  min-width: 200px;
}
.compare-label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 8px; }
.compare-time { font-size: 2.5rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.compare-date { display: block; font-size: 0.9rem; color: var(--text-muted); margin-top: 4px; }
.compare-arrow { font-size: 2rem; color: var(--accent); }

/* ===== Regions on /cities ===== */
.region-section { margin-bottom: 40px; }
.region-section h2 { color: var(--accent); padding-bottom: 8px; border-bottom: 1px solid var(--border); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .clock { font-size: 3.5rem; }
  .city-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .converter-box { padding: 20px; }
  .converter-row { flex-direction: column; align-items: stretch; }
  .converter-arrow { text-align: center; padding-top: 0; }
  .main-nav { gap: 14px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.6rem; }
  .clock { font-size: 2.5rem; }
  .time-display { padding: 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .compare-grid { flex-direction: column; }
}