:root {
  --bg: #0b0b12;
  --card: #14141f;
  --border: #262636;
  --purple: #a78bfa;
  --text: #e5e5f0;
  --muted: #8a8aa0;
  --green: #4ade80;
  --gray: #55556a;
  --red: #f87171;
}

* { box-sizing: border-box; }
.hidden { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
}

h1 { color: var(--purple); font-size: 22px; font-weight: 600; margin: 0; }
h1 span { color: var(--muted); font-weight: 400; }

.tabs { display: flex; gap: 8px; }
.tab {
  background: transparent;
  color: var(--muted);
  border: none;
  font-size: 18px;
  font-weight: 600;
  padding: 6px 4px;
  cursor: pointer;
}
.tab span { font-weight: 400; }
.tab.active { color: var(--purple); border-bottom: 2px solid var(--purple); }

button {
  background: var(--purple);
  color: #0b0b12;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-weight: 600;
  cursor: pointer;
}
button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
button.danger-solid {
  background: var(--red);
  color: #1a0a0a;
}

.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.status-summary { display: flex; gap: 10px; }
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--card);
}
.status-pill.online { color: var(--green); }
.status-pill.offline { color: var(--muted); }

.filter-group { display: flex; gap: 6px; }
.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
}
.filter-btn.active { background: var(--purple); color: #0b0b12; border-color: var(--purple); }

.bulk-autoreply-group { display: flex; align-items: center; gap: 8px; }
.bulk-label { margin-top: 0; }
.small-btn { padding: 6px 12px; font-size: 12px; }

.autoreply-toggle {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
}
.autoreply-toggle.on { background: var(--green); color: #06210f; border-color: var(--green); }
.autoreply-toggle.off { background: transparent; color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  padding: 0 32px 32px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  text-align: center;
}
.card.unstable { border-color: #f59e0b; box-shadow: 0 0 0 1px #f59e0b inset; }
.flap-badge { color: #f59e0b; font-weight: 700; font-size: 11px; margin-left: 4px; }
.flap-value { color: #f59e0b; font-weight: 700; }

.card .id { display: flex; align-items: center; justify-content: center; gap: 6px; color: var(--purple); font-size: 13px; margin-bottom: 10px; }
.card .name { font-size: 20px; font-weight: 700; margin: 8px 0; }
.card .label { color: var(--purple); font-size: 13px; margin-top: 14px; }
.card .value { font-size: 14px; margin-top: 2px; }
.card .status-row { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 4px; }
.counter-row { display: flex; align-items: center; justify-content: center; gap: 8px; }
.counter-row span:first-child { font-size: 18px; font-weight: 700; color: var(--text); }
.counter-row .icon { font-size: 15px; padding: 2px 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot.connected { background: var(--green); }
.dot.connecting, .dot.qr, .dot.reconnecting { background: #facc15; }
.dot.disconnected { background: var(--gray); }

.card-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}
.card-actions button { flex: none; padding: 8px 14px; font-size: 13px; }
.card-actions .danger { background: transparent; border: 1px solid var(--red); color: var(--red); }
.icon { background: transparent; border: none; color: var(--muted); font-size: 16px; cursor: pointer; }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal.hidden { display: none; }
.modal-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  width: 320px;
}
.modal-box h2 { margin: 0 0 16px; font-size: 18px; }
.modal-box label { display: block; font-size: 13px; color: var(--purple); margin-bottom: 6px; }
.modal-box input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  color: var(--text);
  font-size: 14px;
}
.modal-actions { display: flex; justify-content: flex-end; align-items: center; gap: 10px; margin-top: 20px; }
.hint { color: var(--muted); font-size: 13px; margin-top: -8px; }
.qr-wrap { display: flex; justify-content: center; padding: 16px 0; }
.qr-wrap img { width: 220px; height: 220px; background: #fff; border-radius: 8px; }

.settings-panel { padding: 0 32px 32px; }
.settings-panel.hidden, .grid.hidden { display: none; }
.settings-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  max-width: 480px;
}
.settings-box label { display: block; font-size: 13px; color: var(--purple); margin-bottom: 16px; }
.settings-box input, .settings-box textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  color: var(--text);
  font-size: 14px;
  margin-top: 6px;
  font-family: inherit;
  resize: vertical;
}
.saved-msg { color: var(--green); margin-right: auto; margin-top: 0; opacity: 0; transition: opacity 0.2s; }
.saved-msg.show { opacity: 1; }

.label-hint { display: block; color: var(--muted); font-weight: 400; font-size: 12px; margin-top: 2px; }
.range-row { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.range-row input { margin-top: 0; }
.range-sep { color: var(--muted); font-size: 13px; flex: none; }
#welcome-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; }
.welcome-item { display: flex; gap: 8px; align-items: flex-start; }
.welcome-item textarea { flex: 1; margin-top: 0; }
.welcome-item button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--red);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
  flex: none;
}
.add-msg-btn { width: 100%; margin-bottom: 16px; }
.spacer { height: 8px; }

.section-divider { border-top: 1px solid var(--border); margin: 20px 0; }
.checkbox-label { display: flex; align-items: center; gap: 8px; }
.checkbox-label input { width: auto; margin: 0; }

.codes-panel { padding: 0 32px 32px; }
.codes-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.code-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}
.code-value {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--green);
  text-align: center;
  cursor: pointer;
  border-radius: 8px;
  padding: 8px;
  transition: background 0.15s;
}
.code-value:hover { background: rgba(74, 222, 128, 0.1); }
.code-value.copied { background: rgba(74, 222, 128, 0.25); }
.code-meta { margin-top: 12px; font-size: 13px; display: flex; flex-direction: column; gap: 4px; }
.code-text { margin-top: 8px; color: var(--muted); font-size: 12px; font-style: italic; }

.card-code {
  display: inline-block;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--green);
  cursor: pointer;
  border-radius: 8px;
  padding: 4px 10px;
  transition: background 0.15s;
}
.card-code:hover { background: rgba(74, 222, 128, 0.1); }
.card-code.copied { background: rgba(74, 222, 128, 0.25); }

/* Maturation Panel */
.maturation-panel { padding: 0 32px 32px; }
.checkbox-group-box {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  background: #0b0b12;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  margin-top: 6px;
  max-height: 180px;
  overflow-y: auto;
}
.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}
.checkbox-item input { width: auto; margin: 0; cursor: pointer; }

.file-upload-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  margin-bottom: 8px;
}

.simulation-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}
.simulation-controls button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.progress-box {
  background: #0b0b12;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}
.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--purple);
}
.progress-bar-container {
  height: 10px;
  background: var(--border);
  border-radius: 5px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: var(--purple);
  transition: width 0.3s ease;
}

.logs-console {
  background: #06060a;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  height: 220px;
  overflow-y: auto;
  font-family: monospace;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.log-entry { margin: 0; line-height: 1.4; word-break: break-word; }
.log-entry.info { color: var(--muted); }
.log-entry.success { color: var(--green); }
.log-entry.warning { color: #facc15; }
.log-entry.error { color: var(--red); }

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.stat-card {
  background: #0b0b12;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}
.stat-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--purple);
  margin-bottom: 4px;
}
.stat-label {
  font-size: 11px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
}

.metric-row { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border, #333); }
.metric-row b { flex: 1; }
.metric-row span { color: var(--muted, #999); }
.metric-row strong { min-width: 48px; text-align: right; color: var(--purple, #a78bfa); }