:root {
  --bg: #0f1115;
  --panel: #171a20;
  --border: #262b34;
  --text: #e8eaed;
  --text-dim: #8b909c;
  --accent: #ff5a36;
  --accent-dim: #4a2a1f;
  --safe: #2fb673;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 40px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}

.topbar h1 {
  font-size: 20px;
  letter-spacing: -0.02em;
  margin: 0;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-dim);
}
.status-dot.on { background: var(--safe); }

main {
  max-width: 520px;
  margin: 0 auto;
  padding: 16px;
}

.banner {
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  color: #ffd9cc;
  padding: 14px 16px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-weight: 600;
}
.banner.hidden { display: none; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 14px;
}

.panel h2 {
  font-size: 15px;
  margin: 0 0 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hint {
  font-size: 13px;
  color: var(--text-dim);
  margin: 6px 0 0;
}

.events-list, .regions-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.events-list .empty {
  color: var(--text-dim);
  font-size: 14px;
  padding: 8px 0;
}

.events-list li.event {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.events-list li.event:last-child { border-bottom: none; }

.event-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.event .region-name { font-weight: 600; }
.event .event-time { color: var(--text-dim); font-size: 12px; }

.event-details { margin-top: 10px; }
.event-details.hidden { display: none; }

.msg {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 8px;
}
.msg:last-child { margin-bottom: 0; }

.msg-meta {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.msg-text {
  font-size: 14px;
  line-height: 1.4;
}

.msg-media {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: 6px;
  margin-top: 8px;
  display: block;
}

.regions-dropdown {
  margin-bottom: 12px;
}

.regions-dropdown summary {
  list-style: none;
  cursor: pointer;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.regions-dropdown summary::-webkit-details-marker { display: none; }
.regions-dropdown summary::after {
  content: '▾';
  color: var(--text-dim);
  margin-left: 8px;
}
.regions-dropdown[open] summary::after { content: '▴'; }

.regions-list {
  max-height: 320px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 8px 8px;
  padding: 4px 12px;
}

.regions-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.regions-list li:last-child { border-bottom: none; }

.regions-list li.checked label { font-weight: 600; }

.regions-list input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

select, textarea {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  margin-bottom: 10px;
  font-family: inherit;
  resize: vertical;
}

.file-label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

input[type="file"] {
  width: 100%;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.btn-primary, .btn-secondary {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #1a0d08;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-primary:disabled, .btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}