:root {
  --bg: #0b0f19;
  --card: #12182a;
  --text: #e6e8ef;
  --muted: #a0a6b8;
  --accent: #5b8cff;
  --accent-700: #3c6cf3;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 10% -20%, #1b2440 0%, transparent 55%),
              radial-gradient(800px 600px at 110% 0%, #0e1a3d 0%, transparent 55%),
              var(--bg);
  color: var(--text);
}

.container {
  max-width: 560px;
  margin: 6vh auto;
  padding: 0 16px;
}

h1 {
  font-size: 28px;
  margin: 0 0 8px;
}

.lead {
  margin: 0 0 24px;
  color: var(--muted);
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.0));
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  padding: 16px;
  display: grid;
  gap: 12px;
}

.search { margin: 12px 0 18px; }
.input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.12);
  background: var(--card);
  color: var(--text);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.tile {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255,255,255,0.02);
  cursor: pointer;
}
.tile:hover { border-color: rgba(255,255,255,0.18); }
.tile-cover {
  aspect-ratio: 4 / 3;
  width: 100%;
  object-fit: cover;
  display: block;
  background: #0c1122;
}
.tile-body { padding: 10px 12px; display: flex; align-items: center; gap: 10px; }
.avatar {
  width: 32px; height: 32px; border-radius: 50%; object-fit: cover; flex: none;
}
.name { font-weight: 600; }
.sub { color: var(--muted); font-size: 12px; }

.photos {
  display: none;
  padding: 10px 12px 12px;
  border-top: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
}
.photos.open { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.photo-thumb {
  aspect-ratio: 1 / 1; width: 100%; object-fit: cover; border-radius: 8px; cursor: pointer; border: 1px solid rgba(255,255,255,0.08);
}
.photo-thumb:hover { filter: brightness(1.05); border-color: rgba(255,255,255,0.18); }

.label {
  font-size: 14px;
  color: var(--muted);
}

.select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.12);
  background: var(--card);
  color: var(--text);
}

.button {
  margin-top: 8px;
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: none;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-700));
  cursor: pointer;
  font-weight: 600;
}

.button:hover { filter: brightness(1.05); }
.button:active { transform: translateY(1px); }

/* Loading overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(2px);
  z-index: 9999;
}
.loading-overlay.show { display: grid; }
.loading-box {
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 18px 20px;
  display: grid;
  gap: 10px;
  min-width: 220px;
  justify-items: center;
}
.spinner {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 4px solid rgba(255,255,255,0.2);
  border-top-color: #fff;
  animation: spin 1s linear infinite;
}
.loading-text { color: var(--text); opacity: 0.9; font-weight: 600; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }