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

:root {
  --bg:       #04060f;
  --surface:  #080d1e;
  --surface2: #0d1530;
  --border:   #1a2540;
  --border2:  #243358;
  --text:     #c8d8f0;
  --muted:    #4a6080;
  --accent:   #00e5ff;
  --accent2:  #ff6b35;
  --glow:     rgba(0, 229, 255, 0.15);
  --font-display: 'Orbitron', monospace;
  --font-mono:    'Share Tech Mono', monospace;
  --font-body:    'Outfit', sans-serif;

  /* UTC offset palette — 25 colors for offsets -12 to +12 */
  --tz-neg12: #1a0a2e; --tz-neg11: #220a3a; --tz-neg10: #2e0b4a;
  --tz-neg9:  #3a1060; --tz-neg8:  #0a1a5c; --tz-neg7:  #0a2870;
  --tz-neg6:  #0a3880; --tz-neg5:  #0a4a8c; --tz-neg4:  #0a5a90;
  --tz-neg3:  #0a6a80; --tz-neg2:  #0a7870; --tz-neg1:  #0a8060;
  --tz-0:     #0a8850; --tz-pos1:  #1a8840; --tz-pos2:  #3a8020;
  --tz-pos3:  #607010; --tz-pos4:  #806018; --tz-pos5:  #905020;
  --tz-pos6:  #903028; --tz-pos7:  #882030; --tz-pos8:  #781838;
  --tz-pos9:  #681040; --tz-pos10: #580c3c; --tz-pos11: #480838;
  --tz-pos12: #380630;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── STARFIELD ─────────────────────────────────────── */
#starfield {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.7;
}

/* ─── HEADER ────────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(4, 6, 15, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-icon {
  font-size: 1.6rem;
  color: var(--accent);
  animation: spin-slow 12s linear infinite;
  display: inline-block;
}

@keyframes spin-slow {
  to { transform: rotate(360deg); }
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  color: #fff;
  text-transform: uppercase;
}

.logo-text em {
  font-style: normal;
  color: var(--accent);
}

.header-clock {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.utc-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.2em;
  border: 1px solid var(--border2);
  padding: 2px 6px;
  border-radius: 3px;
}

.utc-time {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-shadow: 0 0 12px var(--accent);
}

/* ─── MAIN LAYOUT ───────────────────────────────────── */
main {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  color: var(--muted);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

/* ─── MAP ───────────────────────────────────────────── */
.map-section {
  position: relative;
}

#map {
  width: 100%;
  height: 520px;
  border-radius: 12px;
  border: 1px solid var(--border2);
  overflow: hidden;
  box-shadow:
    0 0 0 1px var(--border),
    0 20px 60px rgba(0, 0, 0, 0.7),
    inset 0 0 80px rgba(0, 229, 255, 0.03);
}

/* Override leaflet styles for dark theme */
.leaflet-container {
  background: #04060f !important;
  font-family: var(--font-body) !important;
}

.leaflet-control-zoom a {
  background: var(--surface2) !important;
  color: var(--text) !important;
  border-color: var(--border2) !important;
}

.leaflet-control-zoom a:hover {
  background: var(--border2) !important;
  color: var(--accent) !important;
}

.leaflet-control-attribution {
  background: rgba(4, 6, 15, 0.75) !important;
  color: var(--muted) !important;
  font-size: 10px !important;
}

.leaflet-control-attribution a {
  color: var(--accent) !important;
}

/* Timezone tooltip */
.tz-tooltip {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 500;
  background: rgba(8, 13, 30, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border2);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  min-width: 200px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.6), 0 0 24px var(--glow);
  pointer-events: none;
  transition: opacity 0.2s;
}

.tz-tooltip.hidden { opacity: 0; }

.tz-tooltip-name {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}

.tz-tooltip-time {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.05em;
}

.tz-tooltip-offset {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

/* ─── CITY CLOCKS ───────────────────────────────────── */
.city-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.city-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}

.city-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--card-accent, var(--accent));
  border-radius: 3px 0 0 3px;
}

.city-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 229, 255, 0.1);
}

.city-name {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.city-time {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: #e8f4ff;
  letter-spacing: 0.05em;
}

.city-date {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

.city-tz {
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 0.4rem;
  font-family: var(--font-mono);
}

/* ─── COMMENTS ──────────────────────────────────────── */
.comments-inner {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 900px) {
  .comments-inner { grid-template-columns: 1fr; }
  .comments-list { max-height: 400px; }
}

/* Form */
.comment-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.comment-form input,
.comment-form textarea {
  background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: 7px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.88rem;
  padding: 0.6rem 0.85rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: none;
  width: 100%;
}

.comment-form input::placeholder,
.comment-form textarea::placeholder {
  color: var(--muted);
}

.comment-form input:focus,
.comment-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.08);
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.char-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
}

.btn-transmit {
  background: linear-gradient(135deg, var(--accent), #0097b2);
  color: #000;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  border: none;
  border-radius: 6px;
  padding: 0.55rem 1.25rem;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-transmit:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 229, 255, 0.4);
}

.btn-transmit:active { transform: translateY(0); }

.btn-icon { font-size: 0.65rem; }

/* Comments list */
.comments-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 520px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border2) transparent;
  padding-right: 0.25rem;
}

.loading-comments {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 0.8rem;
  padding: 1rem 0;
  text-align: center;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.comment-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.15rem;
  animation: slide-in 0.3s ease;
  position: relative;
}

@keyframes slide-in {
  from { opacity: 0; transform: translateX(12px); }
  to   { opacity: 1; transform: translateX(0); }
}

.comment-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  gap: 0.5rem;
}

.comment-author {
  font-family: var(--font-display);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.comment-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.comment-tz {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--muted);
  background: var(--surface2);
  padding: 1px 6px;
  border-radius: 3px;
}

.comment-time {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--muted);
}

.comment-body {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.55;
}

.comment-delete {
  position: absolute;
  top: 0.6rem;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.75rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s;
  padding: 2px 4px;
}

.comment-card:hover .comment-delete { opacity: 1; }
.comment-delete:hover { color: var(--accent2); }

.empty-comments {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
  padding: 2rem 0;
}

/* ─── FOOTER ────────────────────────────────────────── */
footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

.footer-sep { margin: 0 0.6rem; opacity: 0.4; }
.heart { color: var(--accent2); }

/* ─── CUSTOM LEAFLET MARKERS ────────────────────────── */
.city-marker {
  background: transparent;
  border: none;
}

.city-dot {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border: 2px solid rgba(0, 229, 255, 0.5);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent), 0 0 20px rgba(0, 229, 255, 0.4);
  cursor: pointer;
  transition: transform 0.2s;
}

.city-dot:hover { transform: scale(1.5); }

/* ─── LEAFLET POPUP OVERRIDE ────────────────────────── */
.leaflet-popup-content-wrapper {
  background: rgba(8, 13, 30, 0.95) !important;
  border: 1px solid var(--border2) !important;
  border-radius: 10px !important;
  box-shadow: 0 8px 32px rgba(0,0,0,0.7), 0 0 20px var(--glow) !important;
  color: var(--text) !important;
}

.leaflet-popup-tip {
  background: var(--surface2) !important;
}

.leaflet-popup-close-button {
  color: var(--muted) !important;
  font-size: 18px !important;
}

.popup-content {
  font-family: var(--font-body);
  padding: 0.25rem 0;
}

.popup-city {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.popup-time {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  color: #fff;
  letter-spacing: 0.05em;
}

.popup-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

.popup-tz {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.4rem;
  font-family: var(--font-mono);
}