/* Shared seasonal layout, loaded after page styles only while a seasonal feature is enabled.
 * Keep reading surfaces warm and light; reserve midnight plum for celebration.
 * Never recolor gift artwork or provider buttons with image filters.
 */
body.seasonal-theme {
    --season-action: var(--season-primary);
    --season-action-hover: var(--season-primary-hover);
    --season-celebration: radial-gradient(ellipse at 90% 15%, var(--season-glow-dark) 0%, transparent 55%),
        radial-gradient(ellipse at 8% 100%, var(--season-glow-warm) 0%, transparent 55%),
        linear-gradient(135deg, var(--season-night), var(--season-gradient-end));
    --index-text: var(--season-ink);
    --index-muted: var(--season-muted);
    --index-accent: var(--season-link);
    --index-accent-strong: var(--season-accent-secondary);
    --index-surface: var(--season-paper);
    --index-border: var(--season-border-glass);
    --index-shadow: 0 24px 60px var(--season-shadow-40);
    --bs-body-color: var(--season-ink);
    --bs-link-color: var(--season-link);
    --bs-link-hover-color: var(--season-link-hover);
    color: var(--season-ink);
    background: var(--season-page);
}

body.seasonal-theme .seasonal-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 11px 16px;
    color: var(--season-banner-text);
    background: var(--season-banner);
    border-bottom: 1px solid var(--season-primary-40);
    text-align: center;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.5;
}

body.seasonal-theme .seasonal-emoji {
    flex-shrink: 0;
    font-size: 1.1rem;
    line-height: 1;
}

body.seasonal-theme .topper,
body.seasonal-theme .create,
body.seasonal-theme .stats-strip {
    background-color: var(--season-night);
    background-image: var(--season-celebration);
    color: var(--season-paper);
}

/* The hero sits inside topper: one continuous background, no rectangular seam. */
body.seasonal-theme .index-header.hero {
    background: transparent;
}

body.seasonal-theme main {
    background: transparent;
}

/* Gift page: a light stage like the default one, painted with the season's paper and glows.
 * box.css reads every colour from --gift-*, so the theme only swaps the tokens. */
body.seasonal-theme.gift-page {
    --gift-ink: var(--season-ink);
    --gift-muted: var(--season-muted);
    --gift-surface: var(--season-paper);
    --gift-line: var(--season-border);
    --gift-tonal: var(--season-badge);
    --gift-tonal-soft: var(--season-surface-warm);
    --gift-tonal-ink: var(--season-link);
    --gift-accent: var(--season-link);
    --gift-accent-grad: linear-gradient(135deg, var(--season-primary), var(--season-primary-hover));
    --gift-on-accent: var(--season-night);
    --gift-halo: var(--season-paper);
    --gift-spark-1: var(--season-highlight);
    --gift-spark-2: var(--season-primary);
    --gift-spark-3: var(--season-spark);
    --gift-shadow: 0 2px 6px var(--season-plum-08), 0 18px 44px var(--season-shadow-30);
    background:
        radial-gradient(ellipse at 90% 10%, var(--season-surface-warm) 0%, transparent 45%),
        radial-gradient(ellipse at 6% 96%, var(--season-primary-20) 0%, transparent 45%),
        var(--season-page);
    background-attachment: fixed;
}

body.seasonal-theme.gift-page .topper,
body.seasonal-theme.gift-page main {
    background: transparent;
    color: var(--season-ink);
}

body.seasonal-theme.gift-page .topper :is(.navbar-brand, .gift-crest) {
    color: var(--season-ink);
}

body.seasonal-theme .navbar-brand,
body.seasonal-theme .navbar-brand:hover {
    color: var(--season-paper);
}

body.seasonal-theme :is(.mobile-menu-toggle, .header-btn, .language-toggle) {
    --toggle-bg: rgba(255, 255, 255, 0.1);
    --toggle-bg-hover: rgba(255, 255, 255, 0.2);
    --toggle-border: var(--season-border-glass);
    --toggle-ink: var(--season-paper);
    --toggle-shadow: 0 6px 16px var(--season-shadow-30);
}

/* Общие токены кнопок, модалок и мобильного меню (site.css) — в палитре сезона */
body.seasonal-theme {
    --ui-ink: var(--season-ink);
    --ui-muted: var(--season-muted);
    --ui-surface: var(--season-paper);
    --ui-tonal: var(--season-surface-warm);
    --ui-tonal-soft: var(--season-surface-warm);
    --ui-tonal-hover: var(--season-badge);
    --ui-tonal-ink: var(--season-link);
    --ui-line: var(--season-border);
    --ui-field-border: var(--season-border);
    --ui-accent: var(--season-link);
    --ui-accent-grad: linear-gradient(135deg, var(--season-primary), var(--season-primary-hover));
    --ui-on-accent: var(--season-night);
    --ui-accent-shadow: var(--season-shadow-30);
    --ui-danger: var(--season-danger);
    --ui-danger-bg: var(--season-badge);
    --ui-handle: var(--season-border);
}

/* Кнопки красятся через токены --ui-* (выше); провайдеры входа сохраняют фирменные цвета.
 * Неактивная кнопка — мягкая плашка из палитры сезона; базовые правила и блик ожидания капчи — в site.css */
body.seasonal-theme {
    --btn-disabled-bg: var(--season-surface-cool);
    --btn-disabled-border: var(--season-border);
    --btn-disabled-text: var(--season-muted);
}

/* На тёмном праздничном фоне главная кнопка первого экрана остаётся золотой */
body.seasonal-theme .btn-white {
    --bs-btn-bg: var(--season-action);
    --bs-btn-hover-bg: var(--season-action-hover);
    --bs-btn-active-bg: var(--season-action-hover);
    --bs-btn-color: var(--season-night);
    --bs-btn-hover-color: var(--season-night);
    --bs-btn-active-color: var(--season-night);
    --btn-shadow: 0 6px 18px var(--season-shadow-30);
    --btn-shadow-hover: 0 10px 24px var(--season-shadow-40);
}

body.seasonal-theme .btn-ghost {
    --bs-btn-bg: var(--season-white-0d);
    --bs-btn-hover-bg: var(--season-hover-dark);
    --bs-btn-active-bg: var(--season-hover-dark);
    --bs-btn-border-color: var(--season-ghost-border);
    --bs-btn-hover-border-color: var(--season-ghost-hover);
    --bs-btn-active-border-color: var(--season-ghost-hover);
    --bs-btn-color: var(--season-paper);
    --bs-btn-hover-color: var(--season-paper);
    --bs-btn-active-color: var(--season-paper);
}

body.seasonal-theme :is(a, button, .btn, input, select, textarea, [tabindex]):focus-visible {
    outline: 3px solid var(--season-focus);
    outline-offset: 4px;
    box-shadow: 0 0 0 2px var(--season-paper);
}

body.seasonal-theme .form-control:focus,
body.seasonal-theme .form-select:focus {
    border-color: var(--season-focus);
    box-shadow: 0 0 0 0.2rem var(--season-focus-30);
}

body.seasonal-theme .href {
    color: var(--season-link);
}

body.seasonal-theme .href:hover {
    color: var(--season-link-hover);
}

body.seasonal-theme .yellow,
body.seasonal-theme .stats-live {
    color: var(--season-highlight);
}

body.seasonal-theme .eyebrow,
body.seasonal-theme .hero-card-kicker {
    background: var(--season-primary-20);
    color: var(--season-banner-text);
}

body.seasonal-theme .section-shell .eyebrow {
    background: var(--season-primary-20);
    color: var(--season-link);
}

body.seasonal-theme .hero-point {
    background: var(--season-night-raised-b8);
    border-color: var(--season-border-dark);
}

body.seasonal-theme .hero-point-icon {
    color: var(--season-highlight);
    background: var(--season-primary-20);
}

body.seasonal-theme .hero-card {
    background: var(--season-glass-e6);
}

body.seasonal-theme .hero-card-main {
    background: radial-gradient(ellipse at center, var(--season-art-glow), var(--season-plum) 75%);
}

body.seasonal-theme .hero-orb-1 {
    background: var(--season-primary-80);
}

body.seasonal-theme .hero-orb-2 {
    background: var(--season-orb-80);
}

body.seasonal-theme .section-shell,
body.seasonal-theme .modal-content,
body.seasonal-theme .gift-box-feedback {
    background: var(--season-paper);
    color: var(--season-ink);
}

body.seasonal-theme .section-shell {
    border: 1px solid var(--season-border);
    box-shadow: 0 18px 50px var(--season-plum-0a);
}

body.seasonal-theme .features .item,
body.seasonal-theme .about-highlight-item {
    background: var(--season-surface-warm);
    border: 1px solid var(--season-border);
    box-shadow: 0 12px 32px var(--season-plum-08);
}

body.seasonal-theme .features .item:nth-child(2),
body.seasonal-theme .about-highlight-item:nth-child(2) {
    background: var(--season-surface-cool);
    border-color: var(--season-border-cool);
}

body.seasonal-theme .about-highlight-item span {
    background: var(--season-accent-secondary);
    color: var(--season-paper);
}

body.seasonal-theme .accordion-item {
    background: var(--season-paper);
    border-color: var(--season-border);
}

body.seasonal-theme .accordion-button:not(.collapsed) {
    background: var(--season-badge);
    color: var(--season-link);
}

body.seasonal-theme .card-tag,
body.seasonal-theme .card-cta,
body.seasonal-theme .hero-card-chip {
    background: var(--season-badge);
    color: var(--season-link);
}

body.seasonal-theme .nav-item > .nav-link.active {
    border-bottom-color: var(--season-link);
}

body.seasonal-theme .color-box.active {
    border-color: var(--season-ink);
    outline: 2px solid var(--season-paper);
    outline-offset: 1px;
}

body.seasonal-theme .floating-btn,
body.seasonal-theme .mobile-sticky-cta {
    background: var(--season-action);
    color: var(--season-night);
    box-shadow: 0 8px 26px var(--season-night-30);
}

body.seasonal-theme .floating-btn:hover,
body.seasonal-theme .mobile-sticky-cta:hover {
    background: var(--season-action-hover);
    color: var(--season-night);
}

body.seasonal-theme .floating-btn svg {
    fill: currentColor;
}

body.seasonal-theme .gift-box-feedback-face:hover,
body.seasonal-theme .gift-box-feedback-face:focus-visible,
body.seasonal-theme .gift-box-feedback-face.active {
    border-color: var(--season-link);
    background: var(--season-badge);
    box-shadow: 0 8px 18px var(--season-link-18);
}

body.seasonal-theme .custom-footer {
    --footer-ink: var(--season-ink);
    --footer-muted: var(--season-muted);
    --footer-surface: var(--season-paper);
    --footer-line: var(--season-border);
    --footer-tonal: var(--season-badge);
    --footer-tonal-ink: var(--season-link);
    --footer-accent: var(--season-link);
}

@media (max-width: 576px) {
    body.seasonal-theme .seasonal-banner {
        gap: 8px;
        padding: 9px 12px;
        font-size: 0.82rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    body.seasonal-theme .stats-pulse,
    body.seasonal-theme .stats-live {
        animation: none;
    }
}

/* Opening ritual: anticipation, levitation, then a warm magical release.
 * Effects stay behind the artwork and never intercept wishes or controls. */
body.seasonal-theme .box::before,
body.seasonal-theme .box::after {
    content: "";
    position: absolute;
    pointer-events: none;
    opacity: 0;
}

body.seasonal-theme .box::before {
    inset: -35% -20%;
    border-radius: 50%;
    background: radial-gradient(ellipse, var(--season-highlight-80), var(--season-orb-30) 45%, transparent 70%);
    transform: scale(0.65);
    transition: opacity 0.5s ease, transform 0.7s ease;
}

body.seasonal-theme .box::after {
    width: 110%;
    height: 30%;
    bottom: -8%;
    border: 2px solid var(--season-spark);
    border-radius: 50%;
    box-shadow: 0 0 24px var(--season-spark-60), inset 0 0 24px var(--season-primary-40);
    transition: opacity 0.5s ease;
}

body.seasonal-theme .box:is(.active3, .active2, .active1)::before {
    opacity: 0.55;
    transform: scale(0.85);
}

body.seasonal-theme .box:is(.active2, .active1)::after {
    opacity: 0.7;
}

body.seasonal-theme .box.active1::before {
    opacity: 1;
    transform: scale(1.1);
}

body.seasonal-theme .box:not(.active1):not(.active2):not(.active3):not(.open):hover {
    animation: season-hover 1.8s ease-in-out infinite;
}

body.seasonal-theme .box.active3 {
    animation: season-hover 1.6s ease-in-out infinite;
}

body.seasonal-theme .box.active2 {
    animation: season-hover 1.2s ease-in-out infinite;
}

body.seasonal-theme .box.active1 {
    animation: season-hover 0.85s ease-in-out infinite;
}

body.seasonal-theme .box.active2 > .lid {
    animation: season-lid-rattle 0.7s ease-in-out infinite;
}

body.seasonal-theme .box.active1 > .lid {
    animation: season-lid-rattle 0.4s ease-in-out infinite;
}

body.seasonal-theme .box.open > .lid {
    transform-origin: 65% 50%;
    animation: season-lid-release 1.35s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
    pointer-events: none;
}

body.seasonal-theme .box.open > .case {
    animation: season-case-settle 0.9s ease-out both;
}

body.seasonal-theme .box.open::before {
    animation: season-release-glow 1.8s ease-out both;
}

body.seasonal-theme .box.open::after {
    animation: season-release-ring 1.2s ease-out both;
}

body.seasonal-theme .surrounding:is(.active3, .active2, .active1) {
    background: radial-gradient(ellipse at center, transparent 35%, var(--season-night-55) 100%);
}

/* Decorative overflow is contained by .gift-stage (overflow-x: clip) in box.css. */

body.seasonal-theme .confetti-container {
    z-index: 44;
    pointer-events: none;
}

body.seasonal-theme .seasonal-spark {
    position: absolute;
    left: 0;
    top: 0;
    width: 12px;
    height: 18px;
    clip-path: polygon(50% 0, 62% 36%, 100% 50%, 62% 64%, 50% 100%, 38% 64%, 0 50%, 38% 36%);
}

body.seasonal-theme .halloween-bat {
    width: 28px;
    height: 16px;
    clip-path: polygon(0 0, 30% 30%, 40% 15%, 45% 35%, 55% 35%, 60% 15%, 70% 30%, 100% 0, 90% 65%, 72% 55%, 60% 80%, 50% 100%, 40% 80%, 28% 55%, 10% 65%);
}

@keyframes season-hover {
    0%, 100% { transform: translateY(0) rotate(-1deg); }
    50% { transform: translateY(-9px) rotate(1deg); }
}

@keyframes season-lid-rattle {
    0%, 100% { transform: translateY(-3px) rotate(-2deg); }
    50% { transform: translateY(-9px) rotate(2deg); }
}

@keyframes season-lid-release {
    0% { transform: translateY(0) rotate(0); opacity: 1; }
    22% { transform: translateY(5px) rotate(-3deg); opacity: 1; }
    65% { transform: translateY(-100px) rotate(-16deg); opacity: 1; }
    100% { transform: translateY(-155px) rotate(-24deg) scale(0.85); opacity: 0; }
}

@keyframes season-case-settle {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.04, 0.96); }
    60% { transform: scale(0.98, 1.02); }
}

@keyframes season-release-glow {
    0% { opacity: 0.5; transform: scale(0.8); }
    40% { opacity: 1; transform: scale(1.15); }
    100% { opacity: 0; transform: scale(1.3); }
}

@keyframes season-release-ring {
    0% { opacity: 0.8; transform: scale(0.8); }
    100% { opacity: 0; transform: scale(1.4); }
}

@media (prefers-reduced-motion: reduce) {
    body.seasonal-theme .box,
    body.seasonal-theme .box > .lid,
    body.seasonal-theme .box > .case,
    body.seasonal-theme .box::before,
    body.seasonal-theme .box::after {
        animation: none !important;
        transition: none !important;
    }

    body.seasonal-theme .box.open > .lid,
    body.seasonal-theme .box.open::before,
    body.seasonal-theme .box.open::after {
        opacity: 0;
    }
}

/* Шапка и подвал кабинета в сезонной теме */
body.seasonal-theme.account-page .topper,
body.seasonal-theme.account-page .custom-footer {
    background: var(--season-page);
}

body.seasonal-theme.account-page .topper .navbar-brand {
    color: var(--season-ink);
}

body.seasonal-theme.account-page .topper .navbar-brand:hover {
    color: var(--season-link);
}

body.seasonal-theme.account-page .topper :is(.mobile-menu-toggle, .header-btn, .language-toggle) {
    --toggle-bg: var(--season-surface-warm);
    --toggle-bg-hover: var(--season-badge);
    --toggle-border: var(--season-border);
    --toggle-ink: var(--season-ink);
    --toggle-shadow: none;
}

/* Страница «Мои подарки» в палитре сезона; карточки остаются светлыми, тона статусов не меняются */
body.seasonal-theme.account-page {
    --mg-page: var(--season-page);
    --mg-ink: var(--season-ink);
    --mg-muted: var(--season-muted);
    --mg-pink: var(--season-link);
    --mg-pink-ink: var(--season-link);
    --mg-grad: linear-gradient(135deg, var(--season-primary), var(--season-primary-hover));
    --mg-on-accent: var(--season-night);
    --mg-tonal: var(--season-badge);
    --mg-tonal-2: var(--season-surface-warm);
    --mg-line: var(--season-border);
    --mg-surface: var(--season-paper);
    --mg-shadow: 0 2px 6px var(--season-plum-08), 0 18px 44px var(--season-shadow-30);
}

/* Истории пожеланий: ночь сезона вместо розовой; кнопки берут золотой градиент из --gift-*,
 * оттенки карточек задаёт --stories-hues в new-year.css / halloween.css */
body.seasonal-theme .stories {
    --stories-night: var(--season-banner);
    --stories-glow: var(--season-glow-dark);
    --stories-accent: var(--season-primary);
    --stories-focus: var(--season-highlight);
}

body.seasonal-theme .boxes .item.box-trigger:focus-visible {
    outline-color: var(--season-paper);
    box-shadow: 0 0 0 6px var(--season-primary-80);
}