:root {
  color-scheme: dark;
  --bg: #0f1115;
  --surface: #171a21;
  --surface-2: #1f2430;
  --border: #2a3140;
  --text: #e8ecf3;
  --muted: #9aa4b8;
  --primary: #5b8cff;
  --primary-hover: #4a7af0;
  --danger: #ff5d6c;
  --danger-hover: #e84b5a;
  --success: #3ecf8e;
  --warning: #f5b942;
  --radius: 12px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  font-family:
    Inter,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(91, 140, 255, 0.12), transparent 30%),
    radial-gradient(circle at bottom right, rgba(62, 207, 142, 0.08), transparent 25%),
    var(--bg);
  color: var(--text);
}

.hidden {
  display: none !important;
}

.screen {
  min-height: 100vh;
}

.login-card {
  width: min(420px, calc(100vw - 32px));
  margin: 12vh auto 0;
  padding: 28px;
}

.login-card h1 {
  margin: 0 0 8px;
  font-size: 1.6rem;
}

.login-card form {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

label {
  font-size: 0.9rem;
  color: var(--muted);
}

input:not([type='checkbox']):not([type='radio']) {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
}

input:not([type='checkbox']):not([type='radio']):focus {
  outline: 2px solid rgba(91, 140, 255, 0.45);
  border-color: var(--primary);
}

.card {
  background: rgba(23, 26, 33, 0.92);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn:not(:disabled):active {
  transform: translateY(1px);
}

.btn.primary {
  background: var(--primary);
  color: white;
}

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

.btn.secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn.secondary:not(:disabled):hover {
  background: #262d3b;
}

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

.btn.ghost:hover {
  color: var(--text);
  border-color: var(--border);
}

.btn.danger {
  background: rgba(255, 93, 108, 0.15);
  color: #ff8f99;
  border: 1px solid rgba(255, 93, 108, 0.35);
}

.btn.danger:not(:disabled):hover {
  background: rgba(255, 93, 108, 0.25);
}

.muted {
  color: var(--muted);
}

.error {
  color: #ff8f99;
  margin-top: 12px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 24px 24px 0;
}

.topbar h1 {
  margin: 0;
  font-size: 1.5rem;
}

.topbar-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.user-info {
  margin: 6px 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 16px;
  padding: 16px 24px 24px;
  align-items: start;
}

.sidebar,
.content {
  min-height: 0;
}

.sidebar {
  padding: 12px;
  display: flex;
  flex-direction: column;
  max-height: min(360px, calc(100vh - 120px));
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  flex-shrink: 0;
}

.sidebar-header h2,
.panel-header h2,
.silence-block h3 {
  margin: 0;
}

.badge {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

.chat-list {
  display: grid;
  gap: 4px;
  overflow: auto;
  flex: 1;
  min-height: 0;
}

.chat-item {
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 7px 9px;
  color: var(--text);
  cursor: pointer;
}

.chat-item:hover {
  background: var(--surface-2);
}

.chat-item.active {
  border-color: rgba(91, 140, 255, 0.5);
  background: rgba(91, 140, 255, 0.1);
}

.chat-item-title {
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-item-meta {
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.content {
  padding: 20px;
}

.empty-panel {
  display: grid;
  place-items: center;
  color: var(--muted);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 24px;
}

.status-badge {
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--surface-2);
}

.status-badge.on {
  color: var(--warning);
  border-color: rgba(245, 185, 66, 0.4);
  background: rgba(245, 185, 66, 0.12);
}

.status-badge.off {
  color: var(--success);
  border-color: rgba(62, 207, 142, 0.35);
  background: rgba(62, 207, 142, 0.1);
}

.silence-block {
  display: grid;
  gap: 16px;
}

.silence-status {
  margin: 0;
  font-size: 1.05rem;
}

.duration-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.duration-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 12px;
  cursor: pointer;
  font-weight: 600;
}

.duration-btn:hover {
  border-color: rgba(91, 140, 255, 0.45);
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: #222836;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  box-shadow: var(--shadow);
}

.toast.error {
  border-color: rgba(255, 93, 108, 0.45);
  color: #ffadb5;
}

.empty-hint {
  margin: 8px 0 0;
  font-size: 0.9rem;
}

.messages-block,
.schedule-block {
  margin-top: 28px;
  display: grid;
  gap: 12px;
}

.field {
  display: grid;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

.field-label {
  font-size: 0.9rem;
  color: var(--muted);
}

.schedule-times {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.time-selects {
  display: flex;
  align-items: center;
  gap: 8px;
}

.time-selects select {
  flex: 1;
  min-width: 0;
  padding: 12px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  text-align: center;
  cursor: pointer;
}

.time-selects select:hover:not(:disabled) {
  border-color: rgba(91, 140, 255, 0.45);
}

.time-selects select:focus {
  outline: 2px solid rgba(91, 140, 255, 0.45);
  border-color: var(--primary);
}

.time-colon {
  color: var(--muted);
  font-weight: 600;
  flex-shrink: 0;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  color: var(--text);
  cursor: pointer;
}

.checkbox-row input[type='checkbox'] {
  width: 16px;
  height: 16px;
  margin: 0;
  padding: 0;
  flex-shrink: 0;
  accent-color: var(--primary);
  cursor: pointer;
}

.messages-block textarea,
.schedule-block input,
.schedule-block select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
}

.messages-block textarea {
  resize: none;
  overflow: hidden;
  min-height: 84px;
  line-height: 1.45;
  field-sizing: content;
}

.messages-block textarea:focus,
.schedule-block input:focus,
.schedule-block select:focus {
  outline: 2px solid rgba(91, 140, 255, 0.45);
  border-color: var(--primary);
}

.small {
  font-size: 0.9rem;
  margin: 0;
}

.silence-block.is-disabled,
.schedule-block.is-disabled {
  opacity: 0.55;
  pointer-events: none;
}

.silence-block.is-disabled input,
.silence-block.is-disabled button,
.schedule-block.is-disabled input,
.schedule-block.is-disabled select {
  pointer-events: none;
}

@media (max-width: 700px) {
  .schedule-times {
    grid-template-columns: 1fr;
  }
}

.schedule-save-status {
  margin: 0;
  font-size: 0.9rem;
  color: var(--success);
}

.schedule-save-status.saving {
  color: var(--muted);
}

.schedule-save-status.error {
  color: #ffadb5;
}

.inline-form {
  display: grid;
  gap: 8px;
}

.inline-form-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.inline-form-row input {
  flex: 1;
  min-width: 120px;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
  }
}