:root {
  --bg: #17212b;
  --surface: #242f3d;
  --surface2: #2b3a4d;
  --border: #3a4a5c;
  --text: #e8eaed;
  --text-muted: #8a9bb0;
  --accent: #5b9cf6;
  --accent-hover: #4a87e0;
  --danger: #e05b6a;
  --danger-hover: #c94a58;
  --success: #4caf7d;
  --trader: #5b9cf6;
  --tl: #a78bfa;
  --radius: 10px;
  --radius-sm: 6px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

/* ── Layout ──────────────────────────────────────────────────────────────── */

.app {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 0 16px;
}

.app-header {
  padding: 10px 12px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-header h1 {
  font-size: 16px;
  font-weight: 600;
}

.app-header .subtitle {
  font-size: 11px;
  color: var(--text-muted);
}

/* ── Tabs ─────────────────────────────────────────────────────────────────── */

.tabs {
  display: flex;
  gap: 2px;
  padding: 8px 12px 0;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 12px 8px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-btn:hover:not(.active) {
  color: var(--text);
}

.tab-panel {
  display: none;
  padding: 10px 12px;
}

.tab-panel.active {
  display: block;
}

/* ── Cards / Sections ────────────────────────────────────────────────────── */

.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 8px;
}

.section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

/* ── Broadcast ────────────────────────────────────────────────────────────── */

.broadcast-area {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  padding: 10px;
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
  line-height: 1.5;
  transition: border-color 0.15s;
}

.broadcast-area:focus {
  outline: none;
  border-color: var(--accent);
}

.broadcast-area::placeholder {
  color: var(--text-muted);
}

.broadcast-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  flex-wrap: wrap;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

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

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

.btn-traders {
  background: #1e3a5f;
  color: var(--trader);
  border: 1px solid #2a4f7a;
}

.btn-traders:hover:not(:disabled) {
  background: #243f66;
}

.btn-tl {
  background: #2a1f4e;
  color: var(--tl);
  border: 1px solid #3a2a6a;
}

.btn-tl:hover:not(:disabled) {
  background: #2f2456;
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  padding: 5px 10px;
  font-size: 13px;
}

.btn-danger:hover:not(:disabled) {
  background: rgba(224, 91, 106, 0.12);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 5px 10px;
  font-size: 13px;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--surface2);
  color: var(--text);
}

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

/* ── Table ────────────────────────────────────────────────────────────────── */

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

td {
  font-size: 13px;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: rgba(255,255,255,0.02);
}

/* ── Badges ────────────────────────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.badge-trader {
  background: rgba(91, 156, 246, 0.15);
  color: var(--trader);
}

.badge-tl {
  background: rgba(167, 139, 250, 0.15);
  color: var(--tl);
}

.badge-super {
  background: rgba(76, 175, 125, 0.15);
  color: var(--success);
}

/* ── Toggle / Checkbox ────────────────────────────────────────────────────── */

.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.toggle {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 20px;
  cursor: pointer;
  transition: background 0.2s;
}

.toggle-slider::before {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle input:checked + .toggle-slider {
  background: var(--accent);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(16px);
}

.toggle-label {
  font-size: 12px;
  color: var(--text-muted);
}

/* ── Form ─────────────────────────────────────────────────────────────────── */

.form-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 100px;
}

.form-group label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  padding: 8px 10px;
  font-family: inherit;
  transition: border-color 0.15s;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-checks {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  cursor: pointer;
  user-select: none;
}

.check-item input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ── Select ───────────────────────────────────────────────────────────────── */

.select-type {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  padding: 4px 8px;
  cursor: pointer;
}

.select-type:focus {
  outline: none;
  border-color: var(--accent);
}

/* ── States ───────────────────────────────────────────────────────────────── */

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 32px 0;
  font-size: 13px;
}

.loading {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 0;
  font-size: 13px;
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 20px;
  font-size: 14px;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  transition: transform 0.25s ease;
  z-index: 100;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

.toast.success { border-color: var(--success); color: var(--success); }
.toast.error   { border-color: var(--danger);  color: var(--danger);  }

/* ── Auth screen ─────────────────────────────────────────────────────────── */

#auth-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 32px;
  text-align: center;
  gap: 12px;
}

#auth-screen .icon {
  font-size: 48px;
  margin-bottom: 8px;
}

#auth-screen h2 {
  font-size: 20px;
}

#auth-screen p {
  color: var(--text-muted);
  font-size: 14px;
}

/* ── Count pill ──────────────────────────────────────────────────────────── */

.count-pill {
  background: var(--surface2);
  border-radius: 20px;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--text-muted);
  margin-left: 4px;
}

.send-result {
  font-size: 12px;
  color: var(--success);
  margin-top: 6px;
  min-height: 18px;
}

/* ── Scrollbar ────────────────────────────────────────────────────────────── */

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }