:root {
  --bg-primary:    #0f0f0f;
  --bg-secondary:  #1a1a1a;
  --bg-tertiary:   #242424;
  --bg-hover:      #2a2a2a;
  --accent-primary: #8B1A2B;
  --accent-hover:   #A52238;
  --text-primary:   #E8E8E8;
  --text-secondary: #9a9a9a;
  --text-muted:     #555;
  --border:         #2a2a2a;
  --success:        #2ECC71;
  --danger:         #E74C3C;
  --warning:        #F39C12;
  --live-color:     #FF00FF;
  --mute-color:     #444;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* ===== HEADER ===== */
.app-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.app-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px 8px;
}

.app-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.app-icon { margin-right: 6px; }

.mqtt-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--mute-color);
  flex-shrink: 0;
}
.status-dot.online  { background: var(--success); }
.status-dot.offline { background: var(--danger); }

/* ===== TABS ===== */
.tab-nav {
  display: flex;
  gap: 0;
  padding: 0 16px;
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  transition: color 0.15s, border-color 0.15s;
}
.tab-btn:hover  { color: var(--text-primary); }
.tab-btn.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent-primary);
}

/* ===== MAIN ===== */
.app-main {
  flex: 1;
  overflow: hidden;
}

.tab-content {
  display: none;
  height: 100%;
}
.tab-content.active { display: flex; flex-direction: column; }

/* ===== SPLIT LAYOUT ===== */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  height: 100%;
  overflow: hidden;
}

.split-left {
  overflow-y: auto;
  padding: 16px;
  border-right: 1px solid var(--border);
}

.split-right {
  overflow-y: auto;
  padding: 16px;
  background: var(--bg-secondary);
}

.section-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

/* ===== TABLES ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  padding: 6px 8px;
}

.data-table td {
  padding: 8px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text-primary);
  font-size: 13px;
}

.data-table tbody tr {
  cursor: pointer;
  transition: background 0.1s;
}
.data-table tbody tr:hover    { background: var(--bg-hover); }
.data-table tbody tr.selected { background: var(--bg-tertiary); }

.empty-row {
  text-align: center;
  color: var(--text-muted);
  font-style: italic;
  cursor: default !important;
  padding: 24px !important;
}

/* ===== STATE INDICATOR ===== */
.state-dot {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--mute-color);
  flex-shrink: 0;
}
.state-dot.live {
  background: var(--live-color);
  box-shadow: 0 0 6px var(--live-color);
}

/* ===== FORMS ===== */
.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.hint {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-muted);
}

.form-group input[type="text"],
.form-group select {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 13px;
  padding: 7px 10px;
  outline: none;
  transition: border-color 0.15s;
}
.form-group input[type="text"]:focus,
.form-group select:focus {
  border-color: var(--accent-primary);
}

.form-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* ===== BUTTONS ===== */
.btn {
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 14px;
  transition: background 0.15s, opacity 0.15s;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
  background: var(--accent-primary);
  color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover:not(:disabled) { background: #C0392B; }

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover:not(:disabled) { background: var(--bg-tertiary); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) { background: var(--bg-hover); color: var(--text-primary); }

.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ===== CONDITION ROWS ===== */
.cond-row {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 6px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 8px;
}

.cond-row input[type="text"] {
  flex: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-primary);
  font-size: 12px;
  padding: 5px 8px;
  outline: none;
  min-width: 0;
}
.cond-row input[type="text"]:focus { border-color: var(--accent-primary); }

.cond-row-arrow { color: var(--text-muted); font-size: 12px; flex-shrink: 0; }

.cond-row-remove {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 0 2px;
  flex-shrink: 0;
}
.cond-row-remove:hover { color: #C0392B; }

/* ===== CHECKLIST ===== */
.checklist {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  max-height: 200px;
  overflow-y: auto;
  padding: 4px 0;
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  cursor: pointer;
  transition: background 0.1s;
}
.checklist-item:hover { background: var(--bg-hover); }

.checklist-item input[type="checkbox"] {
  accent-color: var(--accent-primary);
  width: 14px; height: 14px;
  flex-shrink: 0;
}

.checklist-item .item-dot {
  flex-shrink: 0;
}

.checklist-empty {
  color: var(--text-muted);
  font-style: italic;
  padding: 10px;
  text-align: center;
  font-size: 12px;
}

/* ===== URL PREVIEW ===== */
.url-preview { margin-top: 4px; }

.url-link {
  display: block;
  word-break: break-all;
  font-size: 12px;
  color: var(--accent-primary);
  text-decoration: none;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 8px;
  font-family: monospace;
}
.url-link:hover { text-decoration: underline; }

/* ===== BADGES ===== */
.badge {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
}
.badge-tally  { background: #1a2a3a; color: #5bc0de; }
.badge-player { background: #1a3a1a; color: #5cb85c; }
.badge-tel    { background: #3a2a1a; color: #f0ad4e; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--bg-hover); }