/* style.css — Dark/purple theme, mobile-first */

:root {
  --bg: #0f0f1a;
  --surface: #1a1a2e;
  --surface2: #16213e;
  --border: #2a2a4a;
  --accent: #6c63ff;
  --accent-hover: #5a52e0;
  --accent-dim: rgba(108, 99, 255, 0.15);
  --text: #e8e8f0;
  --text-muted: #8888aa;
  --success: #48bb78;
  --error: #fc8181;
  --warning: #f6ad55;
  --info: #63b3ed;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f0f0f8;
    --surface: #ffffff;
    --surface2: #f5f5fc;
    --border: #d0d0e8;
    --text: #1a1a2e;
    --text-muted: #666688;
    --shadow: 0 4px 24px rgba(0,0,0,0.1);
  }
}

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

html, body {
  height: 100%;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

.app-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px 0;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: var(--shadow);
}

.header-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.app-logo {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: white;
  flex-shrink: 0;
}

.app-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.app-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 1px;
}

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

.tab-bar {
  display: flex;
  gap: 4px;
}

.tab-btn {
  background: none;
  border: none;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

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

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

/* ── Badges (status bar) ─────────────────────────────────────────────────── */

.status-bar {
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  padding: 6px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 20px;
  font-weight: 500;
  cursor: default;
}

.badge-on {
  background: rgba(72, 187, 120, 0.15);
  color: var(--success);
  border: 1px solid rgba(72, 187, 120, 0.3);
}

.badge-off {
  background: rgba(246, 173, 85, 0.12);
  color: var(--warning);
  border: 1px solid rgba(246, 173, 85, 0.3);
}

/* ── Main content ─────────────────────────────────────────────────────────── */

.app-main {
  flex: 1;
  padding: 20px 16px;
  max-width: 680px;
  width: 100%;
  margin: 0 auto;
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 14px;
}

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

.field {
  margin-bottom: 14px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.field input[type="text"],
.field input[type="url"],
.field input[type="number"],
.field input[type="time"],
.field input[type="datetime-local"] {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.15s;
  font-family: var(--font);
}

.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.field-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Radio schedule type ──────────────────────────────────────────────────── */

.schedule-type-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.schedule-type-label {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: border-color 0.15s, background 0.15s;
  user-select: none;
}

.schedule-type-label:hover {
  border-color: var(--accent);
}

.schedule-type-label input[type="radio"] {
  accent-color: var(--accent);
}

.schedule-type-label:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

/* ── Day chips ────────────────────────────────────────────────────────────── */

.day-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.day-chip {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  user-select: none;
}

.day-chip:hover { border-color: var(--accent); }

.day-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

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

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0;
}

.toggle-label {
  font-size: 14px;
  font-weight: 500;
}

.toggle-switch {
  position: relative;
  width: 46px;
  height: 26px;
}

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

.toggle-switch .slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 26px;
  cursor: pointer;
  transition: background 0.2s;
}

.toggle-switch .slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 4px;
  bottom: 4px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle-switch input:checked + .slider { background: var(--accent); }
.toggle-switch input:checked + .slider::before { transform: translateX(20px); }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.15s, opacity 0.15s, transform 0.1s;
  text-decoration: none;
  font-family: var(--font);
}

.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

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

.btn-secondary {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }

.btn-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
}

/* ── Status panel ─────────────────────────────────────────────────────────── */

.status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.status-item {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
}

.status-item-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.status-item-value {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
  word-break: break-all;
}

.status-icon { font-size: 14px; }
.status-icon.success { color: var(--success); }
.status-icon.failure { color: var(--error); }

/* ── Form tab (iframe) ────────────────────────────────────────────────────── */

.form-tab-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#n8n-form-frame {
  width: 100%;
  min-height: 520px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.form-placeholder {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
}

.form-placeholder-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.form-placeholder-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.form-placeholder-hint {
  font-size: 13px;
}

/* ── Toast notifications ──────────────────────────────────────────────────── */

#toast-container {
  position: fixed;
  bottom: 24px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
  pointer-events: none;
}

.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 500;
  max-width: 300px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: auto;
}

.toast-visible { opacity: 1; transform: translateY(0); }
.toast-success { border-left: 3px solid var(--success); }
.toast-error { border-left: 3px solid var(--error); }
.toast-info { border-left: 3px solid var(--info); }

/* ── Divider ──────────────────────────────────────────────────────────────── */

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (min-width: 768px) {
  .app-main { padding: 28px 20px; }

  .status-grid { grid-template-columns: repeat(2, 1fr); }

  .btn-row { flex-wrap: nowrap; }

  .day-chips { gap: 8px; }
  .day-chip { width: 42px; height: 42px; font-size: 13px; }

  #n8n-form-frame { min-height: 640px; }
}

@media (min-width: 1024px) {
  .app-main { padding: 32px 24px; }
}