/* ============================================================
   settings.css — Settings page styles
   Consistent with the app design system (app.css variables)
   ============================================================ */

/* ── Layout ─────────────────────────────────────────────── */
.settings-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
    align-items: start;
}

@media (max-width: 768px) {
    .settings-layout {
        grid-template-columns: 1fr;
    }
}

/* ── Sidebar Nav ─────────────────────────────────────────── */
.settings-nav {
    background: var(--card-bg, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 12px;
    padding: 8px;
    position: sticky;
    top: 24px;
}

.settings-nav__item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 14px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary, #6b7280);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    text-align: left;
}

.settings-nav__item i {
    font-size: 1rem;
    flex-shrink: 0;
}

.settings-nav__item:hover {
    background: var(--hover-bg, #f3f4f6);
    color: var(--text-primary, #111827);
}

.settings-nav__item.active {
    background: var(--primary-light, #eff6ff);
    color: var(--primary, #2563eb);
    font-weight: 600;
}

/* ── Panels ──────────────────────────────────────────────── */
.settings-panels {
    min-width: 0;
}

.settings-panel {
    display: none;
    background: var(--card-bg, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 12px;
    overflow: hidden;
}

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

/* Panel Header */
.settings-panel__header {
    padding: 24px 28px;
    border-bottom: 1px solid var(--border-color, #e5e7eb);
    background: var(--card-header-bg, #fafafa);
}

.settings-panel__title-group {
    display: flex;
    align-items: center;
    gap: 14px;
}

.settings-panel__icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.settings-panel__icon--blue {
    background: #eff6ff;
    color: #2563eb;
}

.settings-panel__icon--green {
    background: #f0fdf4;
    color: #16a34a;
}

.settings-panel__icon--orange {
    background: #fff7ed;
    color: #ea580c;
}

.settings-panel__icon--purple {
    background: #faf5ff;
    color: #7c3aed;
}

.settings-panel__title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary, #111827);
    margin: 0 0 2px;
}

.settings-panel__subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary, #6b7280);
    margin: 0;
}

/* ── Sections ────────────────────────────────────────────── */
.settings-section {
    padding: 24px 28px;
    border-bottom: 1px solid var(--border-color, #e5e7eb);
}

.settings-section:last-of-type {
    border-bottom: none;
}

.settings-section__title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-secondary, #6b7280);
    margin: 0 0 18px;
}

/* ── Fields ──────────────────────────────────────────────── */
.settings-field {
    margin-bottom: 20px;
}

.settings-field:last-child {
    margin-bottom: 0;
}

.settings-field--toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.settings-field__info {
    flex: 1;
    min-width: 0;
}

.settings-field__label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary, #111827);
    margin-bottom: 4px;
    cursor: default;
}

.settings-field__hint {
    font-size: 0.78rem;
    color: var(--text-secondary, #6b7280);
    margin: 0;
    line-height: 1.5;
}

/* ── Inputs ──────────────────────────────────────────────── */
.settings-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 600px) {
    .settings-grid-2 {
        grid-template-columns: 1fr;
    }
}

.settings-input {
    display: block;
    width: 100%;
    margin-top: 8px;
    padding: 9px 13px;
    border: 1px solid var(--border-color, #d1d5db);
    border-radius: 8px;
    background: var(--input-bg, #fff);
    color: var(--text-primary, #111827);
    font-size: 0.875rem;
    transition: border-color 0.15s, box-shadow 0.15s;
    outline: none;
}

.settings-input:focus {
    border-color: var(--primary, #2563eb);
    box-shadow: 0 0 0 3px var(--primary-ring, rgba(37, 99, 235, .12));
}

.settings-input.font-mono {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.825rem;
}

/* Secret input wrapper */
.input-secret-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.input-secret-wrap .settings-input {
    padding-right: 42px;
}

.btn-toggle-secret {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: var(--text-secondary, #9ca3af);
    font-size: 0.95rem;
    transition: color 0.15s;
    line-height: 1;
}

.btn-toggle-secret:hover {
    color: var(--text-primary, #374151);
}

/* ── Toggle Switch ───────────────────────────────────────── */
.toggle-switch {
    position: relative;
    display: inline-flex;
    cursor: pointer;
    flex-shrink: 0;
}

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

.toggle-switch__track {
    width: 46px;
    height: 26px;
    background: var(--border-color, #d1d5db);
    border-radius: 999px;
    display: flex;
    align-items: center;
    padding: 3px;
    transition: background 0.2s;
}

.toggle-switch input:checked~.toggle-switch__track {
    background: var(--primary, #2563eb);
}

.toggle-switch__thumb {
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .18);
    transition: transform 0.2s;
    flex-shrink: 0;
}

.toggle-switch input:checked~.toggle-switch__track .toggle-switch__thumb {
    transform: translateX(20px);
}

/* ── Warmup Table ────────────────────────────────────────── */
.warmup-table-wrap {
    padding: 24px 28px;
    overflow-x: auto;
}

.warmup-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.warmup-table thead tr {
    border-bottom: 2px solid var(--border-color, #e5e7eb);
}

.warmup-table th {
    text-align: left;
    padding: 10px 16px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary, #6b7280);
    white-space: nowrap;
}

.warmup-table tbody tr {
    border-bottom: 1px solid var(--border-color, #f3f4f6);
    transition: background 0.1s;
}

.warmup-table tbody tr:hover {
    background: var(--hover-bg, #f9fafb);
}

.warmup-table td {
    padding: 12px 16px;
    vertical-align: middle;
}

.warmup-week-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: var(--text-primary, #111827);
}

.warmup-week-badge .week-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary, #2563eb);
    flex-shrink: 0;
}

.warmup-table .settings-input {
    margin-top: 0;
    padding: 7px 10px;
    min-width: 110px;
}

.text-muted-sm {
    color: var(--text-secondary, #9ca3af);
    font-size: 0.75rem;
}

.warmup-rate {
    font-size: 0.8rem;
    color: var(--text-secondary, #6b7280);
    font-family: 'JetBrains Mono', monospace;
}

/* ── Save Actions ────────────────────────────────────────── */
.settings-actions {
    padding: 20px 28px;
    border-top: 1px solid var(--border-color, #e5e7eb);
    background: var(--card-header-bg, #fafafa);
    display: flex;
    justify-content: flex-end;
}

.btn-settings-save {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 22px;
    background: var(--primary, #2563eb);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, opacity 0.15s, transform 0.1s;
}

.btn-settings-save:hover {
    background: var(--primary-dark, #1d4ed8);
}

.btn-settings-save:active {
    transform: scale(0.98);
}

.btn-settings-save:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-settings-save.loading i {
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}