/**
 * RSite — Settings Panel  v1.0
 * Depends on: base.css (variables, matte-plastic)
 *
 * Expandable panel inside .chapter-navbar.
 * Contains: header, user profile widget, font/size/theme controls.
 */

/* 
   CONTAINER — grid-rows collapse
*/

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

.settings-panel.active {
    grid-template-rows: 1fr;
}

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

.settings-panel-content {
    padding: 5px 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* 
   HEADER
*/

.settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.settings-header__title {
    font-family: var(--font-heading);
    font-size: 0.95em;
    color: var(--gold-accent);
    letter-spacing: 0.04em;
}

.settings-header__close {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.settings-header__close:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--glass-border-hover);
    color: var(--text-secondary);
}

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

/*
   PROFILE WIDGET — 3-column row
*/

.settings-profile {
    display: flex;
    gap: 8px;
    padding: 0;
    margin-bottom: 4px;
}

/* -- Col 1: Avatar + info + logout -- */

.settings-profile__user {
    display: flex;
    gap: 10px;
    align-items: stretch;
    flex-shrink: 0;
    min-width: 260px;
    padding-right: 10px;
}

.settings-profile__avatar {
    align-self: stretch;
    aspect-ratio: 1;
    flex-shrink: 0;
    border-radius: var(--radius-full);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.1em;
    font-weight: 600;
    color: var(--gold-accent);
    letter-spacing: 0.02em;
}

.settings-profile__avatar--guest {
    font-size: 1.1em;
    font-weight: 400;
    opacity: 0.5;
}

.settings-profile__info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.settings-profile__link {
    display: flex;
    flex-direction: column;
    gap: 1px;
    text-decoration: none;
}

.settings-profile__name {
    font-family: var(--font-heading);
    font-size: 1.15em;
    color: var(--gold-accent);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
}

.settings-profile__goto {
    font-size: 0.68em;
    color: var(--text-muted);
    white-space: nowrap;
}

.settings-profile__logout-form {
    margin: 0;
    padding: 0;
    margin-top: auto;
}

.settings-profile__logout-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 12px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: transparent;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.85em;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--duration-fast) ease;
}

.settings-profile__logout-btn:hover {
    background: rgba(232, 84, 84, 0.06);
    color: var(--error);
}

.settings-profile__logout-arrow {
    opacity: 0.4;
    transition: transform var(--duration-fast) ease;
}

.settings-profile__logout-btn:hover .settings-profile__logout-arrow {
    transform: translateX(2px);
}

/* -- Col 2: Stats (notifications + achievements) -- */

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

.settings-mini-double {
    display: flex;
    gap: 0;
    height: 100%;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.03);
    overflow: hidden;
}

.settings-mini-half {
    flex: 1;
    padding: 6px 10px;
    text-align: center;
}

.settings-mini-vline {
    width: 1px;
    background: rgba(255, 255, 255, 0.06);
}

.settings-mini-head {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-bottom: 2px;
}

.settings-mini-label {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.settings-mini-badge {
    font-size: 9px;
    padding: 1px 5px;
    border-radius: var(--radius-full);
    background: rgba(212, 175, 55, 0.08);
    color: var(--gold-accent);
    font-family: var(--font-mono);
}

.settings-mini-badge--new {
    background: rgba(53, 208, 122, 0.1);
    color: var(--success);
}

.settings-mini-val {
    font-family: var(--font-heading);
    font-size: 1.15em;
    color: var(--text-primary);
    line-height: 1.2;
}

.settings-mini-sub {
    font-size: 10px;
    color: var(--text-muted);
    line-height: 1.25;
}

/* -- Col 3: News -- */

.settings-profile__news {
    flex: 1.2;
    min-width: 0;
}

.settings-mini-news {
    height: 100%;
    padding: 6px 10px;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.03);
    display: flex;
    flex-direction: column;
}

.settings-news-lines {
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin-top: 3px;
}

.settings-news-line {
    display: flex;
    align-items: flex-start;
    gap: 5px;
}

.settings-news-dot {
    width: 4px;
    height: 4px;
    flex-shrink: 0;
    border-radius: var(--radius-full);
    background: var(--gold-accent);
    opacity: 0.5;
    margin-top: 5px;
}

.settings-news-text {
    font-size: 10.5px;
    color: var(--text-secondary);
    line-height: 1.3;
}

/* 
   SECTION & LABEL (shared)
*/

.settings-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.settings-label {
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    user-select: none;
}

.settings-divider {
    height: 1px;
    margin: 10px 0;
    background: rgba(212, 175, 55, 0.1);
}

/* 
   FONT SELECTION CARDS
*/

.settings-font-grid {
    display: flex;
    gap: 7px;
}

.settings-font-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 4px;
    border-radius: 8px;
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    color: var(--text-secondary);
    opacity: 0.55;
    transition:
        background var(--duration-fast) ease,
        border-color var(--duration-fast) ease,
        opacity var(--duration-fast) ease;
}

.settings-font-card:hover {
    opacity: 0.8;
    background: rgba(255, 255, 255, 0.06);
}

.settings-font-card.is-active {
    opacity: 1;
    border-color: rgba(212, 175, 55, 0.4);
    background: rgba(212, 175, 55, 0.08);
    color: var(--gold-accent);
}

.settings-font-card__preview {
    font-size: 22px;
    line-height: 1;
}

.settings-font-card__name {
    font-size: 10px;
    opacity: 0.7;
}

.settings-font-card--more .settings-font-card__preview {
    font-size: 14px;
    letter-spacing: 2px;
}

/* ── Font dropdown (shown for "Другой") ── */

.settings-font-dropdown {
    margin-top: 4px;
    animation: settings-fadein 0.18s ease;
}

.settings-font-dropdown[hidden] {
    display: none;
}

.settings-font-dropdown select {
    width: 100%;
}

/* 
   TEXT SIZE SLIDER
*/

.settings-size-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.settings-size-icon {
    color: var(--text-muted);
    user-select: none;
    flex-shrink: 0;
}

.settings-size-icon--sm {
    font-size: 12px;
}

.settings-size-icon--lg {
    font-size: 20px;
}

.settings-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 3px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.15);
    outline: none;
    cursor: pointer;
}

.settings-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--gold-accent);
    border-radius: var(--radius-full);
    cursor: pointer;
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.6), 0 0 8px rgba(212, 175, 55, 0.3);
    transition: box-shadow var(--duration-fast) ease, transform 0.12s ease;
}

.settings-slider::-webkit-slider-thumb:hover {
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.6), 0 0 12px rgba(212, 175, 55, 0.5);
    transform: scale(1.15);
}

.settings-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--gold-accent);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.6), 0 0 8px rgba(212, 175, 55, 0.3);
}

.settings-slider::-moz-range-track {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 2px;
    height: 3px;
}

.settings-size-value {
    font-size: 11px;
    color: var(--text-muted);
    min-width: 28px;
    text-align: right;
    font-variant-numeric: tabular-nums;
    font-family: var(--font-mono);
}

/* 
   THEME SELECTION CARDS
*/

.settings-theme-grid {
    display: flex;
    gap: 7px;
}

.settings-theme-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 6px;
    border-radius: 8px;
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    color: var(--text-secondary);
    opacity: 0.6;
    transition:
        border-color var(--duration-fast) ease,
        background var(--duration-fast) ease,
        opacity var(--duration-fast) ease;
}

.settings-theme-card:hover {
    opacity: 0.85;
}

.settings-theme-card.is-active {
    opacity: 1;
    border-color: rgba(212, 175, 55, 0.4);
    background: rgba(212, 175, 55, 0.08);
    color: var(--gold-accent);
}

.settings-theme-card__preview {
    width: 100%;
    height: 28px;
    border-radius: 5px;
    overflow: hidden;
    display: flex;
    border: 1px solid rgba(0, 0, 0, 0.12);
}

.settings-theme-card__preview--light {
    background: linear-gradient(90deg, #ffffff 60%, #f0ece4 100%);
}

.settings-theme-card__preview--dark {
    background: linear-gradient(90deg, #1c1c1c 60%, #111111 100%);
}

.settings-theme-card__preview--sepia {
    background: linear-gradient(90deg, #f4ead5 60%, #e8d9b8 100%);
}

.settings-theme-card__name {
    font-size: 10px;
}

/* ── Custom theme link ── */

.settings-custom-theme-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 12px;
    margin-top: 6px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-decoration: none;
    color: inherit;
    opacity: 0.7;
    transition:
        opacity var(--duration-fast) ease,
        background var(--duration-fast) ease,
        border-color var(--duration-fast) ease;
}

.settings-custom-theme-link:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}

.settings-custom-theme-link__text {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.settings-custom-theme-link__text strong {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary);
}

.settings-custom-theme-link__text small {
    font-size: 10px;
    opacity: 0.55;
}

.settings-custom-theme-link__arrow {
    font-size: 14px;
    opacity: 0.4;
    transition: transform var(--duration-fast) ease, opacity var(--duration-fast) ease;
}

.settings-custom-theme-link:hover .settings-custom-theme-link__arrow {
    transform: translateX(3px);
    opacity: 0.8;
}

/* 
   ANIMATION
*/

@keyframes settings-fadein {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 
   RESPONSIVE
*/

@media (max-width: 768px) {
    .settings-panel-content {
        padding: 14px 16px 10px;
    }

    .settings-profile {
        flex-wrap: wrap;
        gap: 8px;
        padding: 8px 10px;
        margin-left: -30px;
        margin-right: -30px;
    }

    .settings-profile__avatar {
        font-size: 0.8em;
    }

    .settings-profile__user {
        gap: 8px;
        min-width: 0;
        flex: 1.5;
        padding-right: 0;
    }

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

    .settings-mini-label {
        font-size: 9px;
    }

    .settings-mini-val {
        font-size: 1em;
    }

    .settings-mini-sub {
        font-size: 9px;
    }

    .settings-profile__news {
        flex: 1 1 100%;
    }

    .settings-font-card {
        padding: 10px 4px;
        min-height: 48px;
    }

    .settings-theme-card {
        padding: 8px 4px;
        min-height: 48px;
    }

    .settings-slider::-webkit-slider-thumb {
        width: 18px;
        height: 18px;
    }

    .settings-slider::-moz-range-thumb {
        width: 18px;
        height: 18px;
    }
}