:root {
  --bg: #0f1419;
  --panel: #1a2129;
  --panel-2: #232a33;
  --text: #e6ecf1;
  --text-dim: #9aa5b1;
  --border: #2c343d;
  --bupyeong: #e74c3c;
  --jungang: #f1c40f;
  --baengma: #3498db;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
}

#map {
  position: fixed;
  top: 0;
  left: 0;
  width: calc(100vw - 360px);
  height: calc(100vh - 92px);
  background: #0a0d11;
}

/* ===== Top bar ===== */
#top-bar {
  position: fixed; top: 16px; left: 16px;
  display: flex; gap: 8px;
  z-index: 60;
}
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 16px;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px; font-weight: 700;
  cursor: pointer; font-family: inherit;
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
}
.pill.ghost { background: rgba(26, 33, 41, 0.9); color: var(--text-dim); backdrop-filter: blur(8px); }
.pill.active { background: linear-gradient(135deg, var(--bupyeong), var(--baengma)); color: #fff; border-color: transparent; }
.ico { font-size: 14px; }

/* ===== Sidebar ===== */
#sidebar {
  position: fixed; top: 0; right: 0; bottom: 0; width: 360px;
  background: var(--panel);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow: hidden;
  z-index: 40;
}

#sidebar > header {
  padding: 22px 20px 16px;
  border-bottom: 1px solid var(--border);
}
#sidebar h1 { font-size: 22px; letter-spacing: -0.5px; }
.subtitle { font-size: 12px; color: var(--text-dim); margin-top: 6px; line-height: 1.5; }

.regions {
  display: flex; gap: 8px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}
.region-chip {
  flex: 1; padding: 8px 4px;
  background: transparent; color: var(--text-dim);
  border: 1.5px solid var(--border); border-radius: 999px;
  font-size: 13px; font-weight: 700;
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
}
.region-chip.active {
  background: var(--color);
  color: #161616;
  border-color: var(--color);
  box-shadow: 0 0 14px color-mix(in srgb, var(--color) 55%, transparent);
}

#stats {
  padding: 14px 20px;
  display: flex; flex-direction: column; gap: 10px;
  border-bottom: 1px solid var(--border);
}
.stat { display: flex; align-items: center; gap: 12px; font-size: 13px; }
.stat .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--color); box-shadow: 0 0 10px var(--color); }
.stat .name { flex: 1; font-weight: 600; }
.stat .num { font-weight: 800; color: var(--color); font-size: 16px; min-width: 30px; text-align: right; }
.stat .bar { width: 70px; height: 4px; background: var(--panel-2); border-radius: 999px; overflow: hidden; }
.stat .bar > span { display: block; height: 100%; background: var(--color); transition: width .4s; }

.recent {
  flex: 1; overflow-y: auto;
  padding: 14px 20px;
}
.recent h2 {
  font-size: 10px; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 1.2px;
  margin-bottom: 10px; font-weight: 700;
}
#footprint-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
#footprint-list li {
  padding: 10px 12px;
  background: var(--panel-2);
  border-radius: 8px;
  border-left: 3px solid var(--color);
  cursor: pointer;
  transition: background .15s;
}
#footprint-list li:hover { background: #2a323d; }
.li-head { display: flex; gap: 8px; align-items: center; margin-bottom: 4px; }
.li-region {
  font-size: 10px; padding: 2px 6px;
  background: var(--color); color: #161616;
  border-radius: 4px; font-weight: 800; letter-spacing: 0.5px;
}
.li-people { font-size: 13.5px; font-weight: 600; flex: 1; }
.li-place { font-size: 12.5px; color: var(--text-dim); }
.li-time { font-size: 11px; color: var(--text-dim); margin-top: 3px; }
.empty {
  text-align: center; color: var(--text-dim);
  padding: 28px 12px !important; background: transparent !important;
  border: 1px dashed var(--border) !important; border-left-width: 1px !important;
  font-size: 13px; cursor: default !important;
}

#admin-section {
  display: flex; gap: 8px;
  padding: 12px 20px 18px;
  border-top: 1px solid var(--border);
  background: var(--panel);
}
#add-btn {
  flex: 1;
  padding: 11px;
  background: linear-gradient(135deg, var(--bupyeong), var(--jungang), var(--baengma));
  color: #fff;
  border: none; border-radius: 10px;
  font-size: 14px; font-weight: 800;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
}
#admin-section .ghost {
  padding: 11px 14px;
  background: var(--panel-2); color: var(--text-dim);
  border: 1px solid var(--border); border-radius: 10px;
  font-size: 12px; cursor: pointer;
  font-family: inherit; font-weight: 600;
}
.icon-only { padding: 11px 14px; }

/* Region pin marker */
.region-pin {
  display: inline-block;
  padding: 5px 11px;
  background: var(--color);
  color: #161616;
  border-radius: 999px;
  font-size: 11px; font-weight: 800;
  white-space: nowrap;
  box-shadow: 0 3px 12px rgba(0,0,0,.5), 0 0 0 3px color-mix(in srgb, var(--color) 28%, transparent);
}

/* ===== Timeline (bottom) ===== */
#timeline {
  position: fixed;
  bottom: 16px;
  left: 16px;
  right: 376px;
  background: rgba(26, 33, 41, 0.92);
  backdrop-filter: blur(10px);
  border-radius: 14px;
  border: 1px solid var(--border);
  padding: 12px 18px;
  display: flex; align-items: center; gap: 14px;
  z-index: 50;
  box-shadow: 0 8px 28px rgba(0,0,0,.4);
}
.play {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bupyeong), var(--jungang), var(--baengma));
  border: none; color: #fff;
  cursor: pointer;
  font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(0,0,0,.4);
}
.play.playing { background: var(--panel-2); border: 1px solid var(--border); }
.t-track { flex: 1; min-width: 0; }
.t-label {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 4px;
}
#t-date { font-size: 14px; font-weight: 800; color: var(--text); letter-spacing: -0.3px; }
#t-count { font-size: 12px; color: var(--text-dim); font-weight: 600; }
#t-slider {
  width: 100%;
  -webkit-appearance: none; appearance: none;
  height: 6px;
  background: linear-gradient(to right,
    color-mix(in srgb, var(--bupyeong) 60%, transparent) 0%,
    color-mix(in srgb, var(--jungang) 60%, transparent) 50%,
    color-mix(in srgb, var(--baengma) 60%, transparent) 100%);
  border-radius: 999px;
  outline: none;
  cursor: pointer;
}
#t-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  background: #fff;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0,0,0,.5), 0 0 0 2px var(--panel);
}
#t-slider::-moz-range-thumb {
  width: 20px; height: 20px;
  background: #fff;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0,0,0,.5);
}
.t-ticks {
  display: flex; justify-content: space-between;
  font-size: 10px; color: var(--text-dim);
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}
#today-btn { flex-shrink: 0; padding: 8px 14px; font-size: 12px; }

/* ===== Dialogs ===== */
dialog {
  padding: 0; border: none; border-radius: 14px;
  background: var(--panel); color: var(--text);
  max-width: 440px; width: 92%;
  box-shadow: 0 24px 60px rgba(0,0,0,.6);
}
dialog::backdrop { background: rgba(0,0,0,.7); backdrop-filter: blur(4px); }

.close-x {
  position: absolute; top: 12px; right: 12px;
  width: 32px; height: 32px;
  border: none; border-radius: 50%;
  background: rgba(0,0,0,.4);
  color: #fff;
  cursor: pointer;
  font-size: 14px;
  z-index: 10;
  display: flex; align-items: center; justify-content: center;
}

/* Add form */
#add-form { padding: 22px; display: flex; flex-direction: column; gap: 12px; }
#add-form h2 { font-size: 18px; margin-bottom: 4px; }
#add-form label {
  display: flex; flex-direction: column; gap: 5px;
  font-size: 11px; color: var(--text-dim);
  font-weight: 700; letter-spacing: 0.4px; text-transform: uppercase;
}
.row { display: flex; gap: 10px; }
.row label { flex: 1; }
#add-form input, #add-form select, #add-form textarea {
  padding: 9px 11px;
  background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 7px;
  color: var(--text); font-size: 14px;
  font-family: inherit;
  text-transform: none;
}
#add-form input[type=file] { padding: 9px 11px; cursor: pointer; }
#photo-preview {
  max-width: 100%; max-height: 200px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border);
}
.coords {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 9px 12px;
  background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 7px;
  font-size: 12.5px; color: var(--text-dim);
}
.coords.has-value { color: var(--text); }
.pick-btn {
  padding: 6px 12px;
  background: #3498db; color: #fff;
  border: none; border-radius: 5px;
  cursor: pointer; font-size: 12px; font-weight: 600;
  font-family: inherit; white-space: nowrap;
}
.actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 4px; }
.actions button {
  padding: 9px 18px; border-radius: 7px;
  cursor: pointer; font-size: 13px; font-weight: 700;
  font-family: inherit; border: none;
}
.ghost { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.primary { background: #2ecc71; color: #0a1d12; }

/* Login dialog */
#login-form { padding: 22px; display: flex; flex-direction: column; gap: 12px; }
#login-form h2 { font-size: 18px; }
.muted { font-size: 12px; color: var(--text-dim); }
.error { font-size: 12px; color: var(--bupyeong); min-height: 16px; }

/* Photo viewer dialog */
.photo-dlg {
  max-width: 540px; width: 92%;
  --color: var(--bupyeong);
  box-shadow: 0 24px 60px rgba(0,0,0,.6),
              0 0 60px 4px color-mix(in srgb, var(--color) 45%, transparent);
}
.pv-image-wrap {
  position: relative;
  width: 100%; aspect-ratio: 4/3;
  background: #000;
  border-radius: 14px 14px 0 0;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.pv-loading { color: var(--text-dim); font-size: 13px; }
#pv-img { width: 100%; height: 100%; object-fit: contain; display: block; }
.pv-info { padding: 16px 20px 18px; border-top: 3px solid var(--color); }
.pv-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.pv-region-badge {
  font-size: 11px; padding: 3px 8px;
  background: var(--color); color: #161616;
  border-radius: 4px; font-weight: 800; letter-spacing: 0.5px;
}
.pv-info h3 { font-size: 17px; font-weight: 700; }
.pv-meta { display: flex; flex-direction: column; gap: 3px; }
.pv-meta > div { font-size: 13px; color: var(--text-dim); }

/* Gallery dialog */
.gallery-dlg {
  max-width: 92vw; width: 1040px;
  max-height: 88vh;
  padding: 0;
}
.gallery-dlg > header {
  padding: 18px 24px;
  display: flex; align-items: center; gap: 12px;
  border-bottom: 1px solid var(--border);
}
.gallery-dlg h2 { font-size: 19px; }
.gallery-dlg .muted { font-size: 12px; }
.gallery-dlg .close-x { position: static; margin-left: auto; }

#gallery-grid {
  padding: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 22px;
  max-height: calc(88vh - 80px);
  overflow-y: auto;
}
.gallery-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  background: var(--panel-2);
  border: none;
  padding: 0;
  /* Region color outer glow */
  box-shadow:
    0 0 0 2px var(--color),
    0 0 22px 6px color-mix(in srgb, var(--color) 55%, transparent),
    0 0 50px 12px color-mix(in srgb, var(--color) 25%, transparent);
  transition: transform .2s ease, box-shadow .2s ease;
}
.gallery-item:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow:
    0 0 0 2px var(--color),
    0 0 32px 8px color-mix(in srgb, var(--color) 70%, transparent),
    0 0 80px 18px color-mix(in srgb, var(--color) 30%, transparent);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.gallery-item .gi-info {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 10px 12px 12px;
  background: linear-gradient(transparent, rgba(0,0,0,.88));
  color: #fff; text-align: left;
}
.gi-name { font-size: 13.5px; font-weight: 700; }
.gi-meta { font-size: 11px; color: rgba(255,255,255,.75); margin-top: 2px; }
.gallery-empty, .gallery-loading {
  grid-column: 1 / -1;
  text-align: center; color: var(--text-dim);
  padding: 60px 20px; font-size: 14px;
}

/* Pick banner */
#pick-banner {
  position: fixed; top: 18px; left: 50%;
  transform: translateX(-50%);
  background: var(--panel); color: var(--text);
  padding: 10px 18px;
  border-radius: 999px;
  z-index: 1000;
  box-shadow: 0 6px 24px rgba(0,0,0,.5);
  font-size: 13.5px; font-weight: 600;
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--border);
}
#pick-banner button {
  background: transparent; color: var(--text-dim);
  border: none; cursor: pointer; font-size: 12px;
  font-family: inherit; text-decoration: underline;
}
body.picking #map { cursor: crosshair; }
body.picking #sidebar, body.picking #timeline, body.picking #top-bar { opacity: 0.35; pointer-events: none; }

@media (max-width: 720px) {
  #map { width: 100vw; height: 50vh; }
  #sidebar { top: 50vh; right: 0; left: 0; width: auto; border-left: none; border-top: 1px solid var(--border); }
  #timeline { left: 8px; right: 8px; bottom: calc(50vh + 8px); }
  #top-bar { top: 8px; left: 8px; }
}