/* ═══════════════════════════════════════════════════════════
   Settings panel — Figma dashboard_update (collapsible sections)
   rounded-xl = 16px, rounded-lg = 12px
   ═══════════════════════════════════════════════════════════ */

#settings-panel {
    width: min(360px, 100vw);
    --st-border: color-mix(in srgb, var(--text-primary) 11%, transparent);
    --st-muted: color-mix(in srgb, var(--text-primary) 6.5%, var(--surface));
    --st-destructive: #d4183d;
}

#settings-panel.active {
    box-shadow:
        -4px 0 24px rgba(8, 14, 16, 0.10),
        -1px 0 0 rgba(26, 24, 21, 0.08);
}

#settings-panel .panel-header {
    height: 48px;
    padding: 0 20px;
    box-sizing: border-box;
    border-bottom-color: var(--st-border);
}

#settings-panel .panel-header h2 {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0;
}

#settings-panel .panel-close {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-lg);
    color: color-mix(in srgb, var(--text-tertiary) 65%, transparent);
}

#settings-panel .panel-close:hover {
    background: color-mix(in srgb, var(--st-muted) 60%, transparent);
    color: var(--text-primary);
}

#settings-panel .panel-content {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0;
}

/* ── Collapsible section ─────────────────────────────────── */

.settings-sec {
    border-bottom: 1px solid color-mix(in srgb, var(--st-border) 60%, transparent);
}

.settings-sec:last-child {
    border-bottom: none;
}

.settings-sec-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 16px 20px;
    border: none;
    background: transparent;
    cursor: pointer;
    text-align: left;
    font: inherit;
    color: inherit;
    transition: background 0.15s ease;
}

.settings-sec-toggle:hover {
    background: color-mix(in srgb, var(--st-muted) 25%, transparent);
}

.settings-sec-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: color-mix(in srgb, var(--text-tertiary) 65%, transparent);
    line-height: 0;
}

.settings-sec-icon svg {
    width: 14px;
    height: 14px;
}

.settings-sec-label {
    flex: 1;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.settings-sec-chevron {
    display: flex;
    flex-shrink: 0;
    color: color-mix(in srgb, var(--text-tertiary) 45%, transparent);
    transition: transform 0.2s ease;
    line-height: 0;
}

.settings-sec-chevron svg {
    width: 13px;
    height: 13px;
}

.settings-sec.is-open .settings-sec-chevron {
    transform: rotate(180deg);
}

.settings-sec-body {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

.settings-sec.is-open .settings-sec-body {
    grid-template-rows: 1fr;
}

.settings-sec-inner {
    overflow: hidden;
    min-height: 0;
}

/*
 * Keep content clipped while height animates — otherwise the full section paints
 * over siblings that are still sliding down. Unlock only after expand settles
 * (JS adds .is-overflow-visible) so dropdown menus can escape.
 */
.settings-sec.is-open.is-overflow-visible .settings-sec-inner,
.settings-sec.is-open:has(.dropdown.open) .settings-sec-inner {
    overflow: visible;
}

.settings-sec-inner-pad {
    padding: 0 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 14px; /* space-y-3.5 */
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.settings-sec.is-open .settings-sec-inner-pad {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.04s;
}

@media (prefers-reduced-motion: reduce) {
    .settings-sec-body,
    .settings-sec-inner-pad,
    .settings-sec-chevron {
        transition: none;
    }

    .settings-sec-inner-pad {
        opacity: 1;
        transform: none;
    }
}

/* ── Toggle row (dark mode / section colors) ─────────────── */

.settings-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

#settings-panel #section-titles-lv-row[hidden] {
    display: none !important;
}

.settings-toggle-row > span {
    font-size: 12.5px;
    font-weight: 500;
    color: color-mix(in srgb, var(--text-primary) 80%, transparent);
}

#settings-panel .settings-option-hint {
    margin: 6px 0 0;
    font-size: 11.5px;
    line-height: 1.4;
    color: color-mix(in srgb, var(--text-secondary) 55%, transparent);
}

/* Figma SettingToggle: w-10 h-[22px], thumb 18px */
:is(#settings-panel, #pdf-settings-panel) .toggle-switch {
    width: 40px;
    height: 22px;
}

:is(#settings-panel, #pdf-settings-panel) .toggle-slider {
    background: color-mix(in srgb, var(--text-primary) 20%, transparent);
    border-radius: 9999px;
}

:is(#settings-panel, #pdf-settings-panel) .toggle-slider:before {
    width: 18px;
    height: 18px;
    left: 2px;
    bottom: 2px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}

:is(#settings-panel, #pdf-settings-panel) .toggle-switch input:checked + .toggle-slider {
    background: var(--accent);
}

:is(#settings-panel, #pdf-settings-panel) .toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(18px);
}

/* ── Color palette — solid cubes + white check (previous look) ─ */

.settings-palette-label {
    display: block;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-section-label);
    margin-bottom: 10px;
}

#settings-panel .color-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin: 0;
}

#settings-panel .color-option {
    width: 100%;
    aspect-ratio: 1;
    border: 3px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    position: relative;
    box-shadow: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

#settings-panel .color-option:hover {
    transform: scale(1.06);
    filter: none;
    box-shadow: var(--shadow-md);
}

#settings-panel .color-option.active {
    border-color: color-mix(in srgb, var(--text-primary) 22%, transparent);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--_swatch, var(--accent)) 35%, transparent);
}

#settings-panel .color-option.active::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 15px;
    line-height: 1;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
    filter: none;
    pointer-events: none;
}

/* ── Display rows ────────────────────────────────────────── */

.settings-row-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.settings-row-head .settings-label {
    margin: 0;
    font-size: 12px;
    font-weight: 500;
    color: color-mix(in srgb, var(--text-primary) 75%, transparent);
}

.settings-row-head .settings-value {
    font-size: 11.5px;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    color: color-mix(in srgb, var(--text-tertiary) 65%, transparent);
}

:is(#settings-panel, #pdf-settings-panel) .settings-group {
    margin: 0;
}

:is(#settings-panel, #pdf-settings-panel) .settings-dropdown {
    width: 100%;
    margin-left: 0;
}

:is(#settings-panel, #pdf-settings-panel) .settings-sec:has(.dropdown.open) {
    position: relative;
    z-index: 5;
}

:is(#settings-panel, #pdf-settings-panel) .settings-dropdown.open {
    z-index: 20;
}

/* Sliders — circular accent thumb (not Figma’s flat chip) */
:is(#settings-panel, #pdf-settings-panel) .settings-slider {
    width: 100%;
    height: 22px;
    margin: 0;
    background: transparent;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

:is(#settings-panel, #pdf-settings-panel) .settings-slider::-webkit-slider-runnable-track {
    height: 6px;
    border-radius: 9999px;
    background: color-mix(in srgb, var(--st-border) 80%, var(--st-muted));
}

:is(#settings-panel, #pdf-settings-panel) .settings-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    margin-top: -6px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--surface-elevated);
    box-shadow: 0 1px 4px color-mix(in srgb, var(--accent) 40%, transparent);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

:is(#settings-panel, #pdf-settings-panel) .settings-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 16%, transparent);
}

:is(#settings-panel, #pdf-settings-panel) .settings-slider::-moz-range-track {
    height: 6px;
    border-radius: 9999px;
    background: color-mix(in srgb, var(--st-border) 80%, var(--st-muted));
    border: none;
}

:is(#settings-panel, #pdf-settings-panel) .settings-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--surface-elevated);
    box-shadow: 0 1px 4px color-mix(in srgb, var(--accent) 40%, transparent);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

:is(#settings-panel, #pdf-settings-panel) .settings-slider::-moz-range-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 16%, transparent);
}

/* ── Offline ─────────────────────────────────────────────── */

.settings-offline-copy {
    margin: 0;
    font-size: 12px;
    line-height: 1.625;
    color: color-mix(in srgb, var(--text-tertiary) 75%, transparent);
}

#settings-panel .offline-cache-stats {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.settings-offline-stats-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.settings-offline-stats-row .settings-label {
    margin: 0;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-primary);
}

#offline-cache-count {
    font-size: 12.5px;
    font-family: var(--font-mono);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--text-primary);
}

#offline-cache-count .sc-cache-n {
    color: var(--accent);
}

#offline-cache-count .sc-cache-sep {
    color: color-mix(in srgb, var(--text-tertiary) 50%, transparent);
    font-weight: 600;
}

#settings-panel .offline-cache-progress {
    display: block;
    height: 6px;
    margin: 0;
    border-radius: 9999px;
    background: var(--st-muted);
    overflow: hidden;
}

#settings-panel .offline-cache-progress[hidden] {
    display: none;
}

#settings-panel .offline-cache-progress-bar {
    height: 100%;
    border-radius: 9999px;
    background: color-mix(in srgb, var(--accent) 55%, transparent);
    width: 0%;
    transition: width 0.2s ease;
}

#settings-panel .offline-cache-actions {
    margin-top: 0;
}

#settings-panel .settings-guide-btn,
#settings-panel .offline-cache-actions .settings-guide-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px 16px;
    margin: 0;
    border-radius: var(--radius-xl);
    border: 1px solid var(--st-border);
    background: color-mix(in srgb, var(--st-muted) 50%, transparent);
    color: var(--text-primary);
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease;
}

#settings-panel .settings-guide-btn:hover {
    background: var(--st-muted);
}

#settings-panel .settings-guide-btn svg {
    width: 13px;
    height: 13px;
}

#settings-panel .settings-sec[data-settings-sec="help"] .settings-sec-inner-pad {
    gap: 8px;
}

#settings-panel .offline-cache-actions {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

#offline-cache-status {
    margin: 0;
    font-size: 11.5px;
    color: color-mix(in srgb, var(--text-tertiary) 60%, transparent);
}

/* ── Account ─────────────────────────────────────────────── */

#settings-panel .account-user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    margin: 0;
    background: color-mix(in srgb, var(--st-muted) 40%, transparent);
    border-radius: var(--radius-xl);
    border: none;
}

#settings-panel .account-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 9999px;
    background: color-mix(in srgb, var(--text-primary) 12%, transparent);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

#settings-panel .account-user-avatar-initials {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1;
    user-select: none;
}

#settings-panel .account-username-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

#settings-panel .account-change-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

#settings-panel .account-change-item {
    border: 1px solid var(--st-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: transparent;
    margin: 0;
}

#settings-panel .account-change-trigger {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 14px;
    border: none;
    background: transparent;
    cursor: pointer;
    font: inherit;
    color: inherit;
    text-align: left;
    transition: background 0.15s ease;
}

#settings-panel .account-change-trigger:hover {
    background: color-mix(in srgb, var(--st-muted) 30%, transparent);
}

#settings-panel .account-change-trigger > span {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-primary);
}

#settings-panel .account-change-trigger > span i,
#settings-panel .account-change-trigger .account-row-icon {
    width: 13px;
    flex-shrink: 0;
    color: color-mix(in srgb, var(--text-tertiary) 65%, transparent);
    font-size: 13px;
}

#settings-panel .account-change-trigger .account-row-icon svg {
    width: 13px;
    height: 13px;
}

#settings-panel .account-trigger-chevron {
    color: color-mix(in srgb, var(--text-tertiary) 45%, transparent);
    transition: transform 0.15s ease;
    font-size: 12px;
}

#settings-panel .account-change-item.open .account-trigger-chevron {
    transform: rotate(180deg);
}

#settings-panel .account-change-form {
    display: none;
    padding: 8px 14px 10px;
    border-top: 1px solid color-mix(in srgb, var(--st-border) 60%, transparent);
    background: color-mix(in srgb, var(--st-muted) 20%, transparent);
    flex-direction: column;
    gap: 6px;
}

#settings-panel .account-change-item.open .account-change-form {
    display: flex;
}

#settings-panel .account-input {
    height: var(--field-height, 40px);
    margin: 0; /* main.css adds margin-bottom — kills tight stacking */
    padding: 0 12px;
    border-radius: var(--field-radius, var(--radius-xl));
    border: 1px solid var(--st-border);
    background: var(--surface);
    font-size: 13px;
    box-shadow: none;
}

#settings-panel .account-input:focus {
    border-color: color-mix(in srgb, var(--accent) 38%, transparent);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 18%, transparent);
}

#settings-panel .account-form-hint {
    margin: 0;
    font-size: 11.5px;
    line-height: 1.4;
    color: color-mix(in srgb, var(--text-secondary) 55%, transparent);
}

/* Match account inputs: same shell, radius, border */
#settings-panel .account-google-status {
    margin: 0;
    min-height: var(--field-height, 40px);
    padding: 0 12px;
    box-sizing: border-box;
    border-radius: var(--field-radius, var(--radius-xl));
    border: 1px solid var(--st-border);
    background: var(--surface);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.35;
    color: color-mix(in srgb, var(--text-primary) 85%, transparent);
    display: flex;
    align-items: center;
}

#settings-panel .account-google-status.is-empty {
    color: color-mix(in srgb, var(--text-tertiary) 75%, transparent);
    font-weight: 400;
}

#settings-panel .settings-google-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    min-height: 32px;
    padding: 0 12px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--st-border);
    background: var(--surface);
    color: var(--text-primary);
    font-size: 12.5px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.15s ease;
}

#settings-panel .settings-google-btn:hover {
    background: color-mix(in srgb, var(--st-muted) 40%, transparent);
}

#settings-panel .settings-google-btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

#settings-panel .account-form-actions {
    display: flex;
    gap: 8px;
    margin-top: 4px;
}

#settings-panel .account-form-actions .btn {
    flex: 1;
    padding: 8px 12px;
    border-radius: var(--radius-xl);
    font-size: 12.5px;
    font-weight: 600;
    box-shadow: none;
    transform: none;
}

/* [hidden] loses to any later display:flex on .btn — force it */
#settings-panel .account-form-actions .btn[hidden],
#settings-panel .account-input[hidden],
#settings-panel .account-form-hint[hidden] {
    display: none !important;
}

#settings-panel .account-form-actions .btn:hover {
    transform: none;
    box-shadow: none;
}

#settings-panel .account-actions {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 2px;
}

#settings-panel .account-actions .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px 16px;
    border-radius: var(--radius-xl);
    font-size: 12.5px;
    font-weight: 600;
    box-shadow: none;
    transform: none;
}

#settings-panel .account-actions .btn:hover {
    transform: none;
    box-shadow: none;
}

#settings-panel .account-actions .btn-secondary {
    background: transparent;
    border: 1px solid var(--st-border);
    color: var(--text-primary);
}

#settings-panel .account-actions .btn-secondary:hover {
    background: color-mix(in srgb, var(--st-muted) 40%, transparent);
}

#settings-panel .account-actions .btn i[data-lucide],
#settings-panel .account-actions .btn svg,
#settings-panel .settings-guide-btn i[data-lucide],
#settings-panel .settings-guide-btn svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

#settings-panel .account-actions .btn-danger,
#settings-panel #logout-btn-mobile {
    background: transparent;
    border: 1px solid color-mix(in srgb, var(--st-destructive) 30%, transparent);
    color: var(--st-destructive);
}

#settings-panel #logout-btn-mobile:hover {
    background: color-mix(in srgb, var(--st-destructive) 5%, transparent);
}

/* ── Footer ──────────────────────────────────────────────── */

#settings-panel .panel-footer {
    display: flex;
    gap: 10px;
    padding: 14px 20px;
    border-top-color: var(--st-border);
}

#settings-panel .panel-footer .btn {
    flex: 1;
    padding: 10px 16px;
    border-radius: var(--radius-xl);
    font-size: 12.5px;
    font-weight: 600;
    box-shadow: none;
    transform: none;
}

#settings-panel .panel-footer .btn:hover {
    transform: none;
    box-shadow: none;
}

#settings-panel #reset-settings-btn {
    background: transparent;
    border: 1px solid var(--st-border);
    color: var(--text-primary);
}

#settings-panel #reset-settings-btn:hover {
    background: color-mix(in srgb, var(--st-muted) 40%, transparent);
}

#settings-panel #close-settings-btn {
    background: color-mix(in srgb, var(--text-primary) 7%, transparent);
    border: 1px solid color-mix(in srgb, var(--text-primary) 10%, transparent);
    color: var(--text-primary);
}

#settings-panel #close-settings-btn:hover {
    background: color-mix(in srgb, var(--text-primary) 10%, transparent);
}

#settings-panel .panel-footer .btn i {
    display: none; /* Figma footer is text-only */
}

/* ── Responsive (match ATC / suggest breakpoints) ────────── */

@media (max-width: 1023px), (min-width: 1024px) and (pointer: coarse) {
    #settings-panel {
        width: min(460px, 92vw);
        height: var(--floating-modal-height);
        min-height: var(--floating-modal-min-height);
        max-height: var(--floating-modal-max-height);
        overflow: hidden;
        border-radius: var(--radius-2xl);
        box-shadow: 0 20px 60px rgba(8, 14, 16, 0.18);
    }

    #settings-panel .panel-header {
        height: 48px;
        padding: 0 20px;
        flex-shrink: 0;
    }

    #settings-panel .panel-content {
        flex: 1 1 auto;
        min-height: 0;
        padding: 0;
    }

    #settings-panel .panel-footer {
        flex-shrink: 0;
        padding: 14px 20px;
        padding-bottom: max(14px, env(safe-area-inset-bottom));
    }
}

@media (max-width: 520px) {
    #settings-panel {
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        max-width: none;
        height: 100%;
        max-height: none;
        border-radius: 0;
        box-shadow: none;
        overflow: hidden;
    }
}