/**
 * SeaVPN — публичная витрина и ЛК (клиентская часть).
 * Тёмная/светлая тема через data-theme, анимации с учётом prefers-reduced-motion.
 */

/* ——— Фон и волны ——— */
.sv-page {
    position: relative;
    min-height: 100vh;
    overflow-x: hidden;
    background: var(--bg-body);
}

.sv-page__content {
    position: relative;
    z-index: 2;
    padding-bottom: 5rem;
}

.sv-waves {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: min(220px, 28vh);
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.sv-waves svg {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100%;
}

.sv-waves__layer {
    animation: sv-wave-drift 18s linear infinite;
}

.sv-waves__layer--2 {
    animation-duration: 24s;
    animation-direction: reverse;
    opacity: 0.55;
}

.sv-waves__layer--3 {
    animation-duration: 30s;
    opacity: 0.35;
}

[data-theme="dark"] .sv-waves .sv-wave-fill-1 { fill: rgba(56, 189, 248, 0.14); }
[data-theme="dark"] .sv-waves .sv-wave-fill-2 { fill: rgba(14, 165, 233, 0.1); }
[data-theme="dark"] .sv-waves .sv-wave-fill-3 { fill: rgba(59, 130, 246, 0.08); }

[data-theme="light"] .sv-waves .sv-wave-fill-1 { fill: rgba(14, 165, 233, 0.2); }
[data-theme="light"] .sv-waves .sv-wave-fill-2 { fill: rgba(56, 189, 248, 0.14); }
[data-theme="light"] .sv-waves .sv-wave-fill-3 { fill: rgba(125, 211, 252, 0.12); }

@keyframes sv-wave-drift {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ——— Шапка витрины ——— */
.shop-vitrine-page .navbar-custom {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: color-mix(in srgb, var(--bg-body) 82%, transparent) !important;
    border-bottom: 1px solid var(--border-color);
}

.sv-shop-navbar {
    position: relative;
}

.sv-navbar-slogan {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: var(--text-muted);
    white-space: nowrap;
    pointer-events: none;
    max-width: min(420px, 52vw);
    overflow: hidden;
    text-overflow: ellipsis;
}

[data-theme="dark"] .sv-navbar-slogan {
    color: rgba(255, 255, 255, 0.72);
}

@media (max-width: 768px) {
    .sv-navbar-slogan {
        display: none;
    }
}

/* ——— Hero ——— */
.sv-hero {
    text-align: center;
    margin-bottom: 1.25rem;
    animation: sv-fade-up 0.6s ease-out both;
}

.sv-hero__logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 18px;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.18), rgba(99, 102, 241, 0.14));
    border: 1px solid color-mix(in srgb, var(--primary) 35%, transparent);
    box-shadow: 0 8px 32px rgba(56, 189, 248, 0.15);
    overflow: hidden;
}

.sv-hero__logo .sv-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
}

/* ——— Логотип ——— */
.sv-logo {
    display: block;
    object-fit: contain;
    border-radius: 6px;
}

.sv-logo--sm { width: 28px; height: 28px; }
.sv-logo--md { width: 40px; height: 40px; }
.sv-logo--lg { width: 72px; height: 72px; }

.sv-brand-link {
    color: var(--text-primary);
}

.sv-hero__title {
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

.sv-hero__sub {
    font-size: 0.9rem;
    color: var(--text-muted);
    max-width: 36rem;
    margin: 0 auto;
    line-height: 1.55;
}

/* ——— Инфо-баннер ——— */
.sv-info-banner {
    animation: sv-fade-up 0.6s ease-out 0.08s both;
    border-left: 3px solid var(--primary) !important;
}

/* ——— Карточки тарифов ——— */
.sv-tariff-col {
    animation: sv-fade-up 0.55s ease-out both;
}

.sv-tariff-col:nth-child(1) { animation-delay: 0.12s; }
.sv-tariff-col:nth-child(2) { animation-delay: 0.2s; }
.sv-tariff-col:nth-child(3) { animation-delay: 0.28s; }
.sv-tariff-col:nth-child(4) { animation-delay: 0.36s; }

.sv-tariff-card {
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    border: 1px solid var(--border-color) !important;
}

.sv-tariff-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(56, 189, 248, 0.12);
    border-color: color-mix(in srgb, var(--primary) 40%, var(--border-color)) !important;
}

[data-theme="light"] .sv-tariff-card:hover {
    box-shadow: 0 12px 32px rgba(14, 165, 233, 0.15);
}

.sv-tariff-card__price {
    font-size: 1.85rem;
    font-weight: 700;
    background: linear-gradient(120deg, var(--primary), #38bdf8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="light"] .sv-tariff-card__price {
    background: linear-gradient(120deg, #0284c7, #0ea5e9);
    -webkit-background-clip: text;
    background-clip: text;
}

.sv-tariff-card__days {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-size: 0.78rem;
    background: color-mix(in srgb, var(--primary) 12%, transparent);
    color: var(--text-muted);
}

/* ——— Читаемый текст в тёмной теме ——— */
[data-theme="dark"] .shop-vitrine-page .sv-muted,
[data-theme="dark"] .shop-vitrine-page .sv-tariff-card .sv-muted {
    color: rgba(255, 255, 255, 0.82) !important;
}

[data-theme="dark"] .shop-vitrine-page .sv-text-strong {
    color: #ffffff;
}

[data-theme="dark"] .shop-vitrine-page .sv-info-banner a {
    color: #7dd3fc;
}

[data-theme="dark"] .shop-vitrine-page .sv-tariff-card__days {
    color: rgba(255, 255, 255, 0.75);
}

.shop-vitrine-page .sv-muted {
    color: var(--text-muted);
}

.shop-vitrine-page .sv-text-strong {
    color: var(--text-primary);
}

/* ——— Блок стран / флагов ——— */
.sv-countries {
    animation: sv-fade-up 0.6s ease-out 0.05s both;
    border: 1px solid var(--border-color) !important;
}

.sv-countries__badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.2), rgba(99, 102, 241, 0.18));
    color: var(--text-primary);
    border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
}

.sv-countries__flags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.sv-countries__item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    border-radius: 10px;
    font-size: 0.82rem;
    background: color-mix(in srgb, var(--bg-card) 70%, transparent);
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.sv-countries__item:hover {
    transform: translateY(-1px);
    border-color: color-mix(in srgb, var(--primary) 35%, var(--border-color));
}

.sv-countries__flag {
    font-size: 1.15rem;
    line-height: 1;
}

.sv-countries__name {
    color: var(--text-primary);
    font-weight: 500;
}

[data-theme="dark"] .sv-countries__name {
    color: rgba(255, 255, 255, 0.92);
}

/* ——— Кнопки оплаты / primary ——— */
.sv-btn-primary {
    position: relative;
    overflow: hidden;
    font-weight: 600;
    border: none !important;
    background: linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%) !important;
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.35);
    transition: transform 0.2s ease, box-shadow 0.25s ease, filter 0.2s ease;
}

.sv-btn-primary::after {
    content: "";
    position: absolute;
    top: 0;
    left: -120%;
    width: 80%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
    transition: none;
}

.sv-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
    filter: brightness(1.06);
}

.sv-btn-primary:hover::after {
    animation: sv-shimmer 0.65s ease-out;
}

@keyframes sv-shimmer {
    0% { left: -120%; }
    100% { left: 140%; }
}

.shop-vitrine-page .btn-primary:not(.sv-btn-primary) {
    /* fallback если класс не добавлен */
}

/* Ссылка ЛК в шапке */
.sv-lk-link {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sv-lk-link:hover {
    transform: translateY(-1px);
}

/* ——— Auth (login/register) ——— */
.lk-auth-body.sv-page {
    justify-content: center;
}

.sv-auth-card {
    border: 1px solid var(--border-color) !important;
    border-radius: 16px !important;
    background: color-mix(in srgb, var(--bg-card) 88%, transparent) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
    animation: sv-fade-up 0.5s ease-out both;
}

[data-theme="light"] .sv-auth-card {
    background: rgba(255, 255, 255, 0.92) !important;
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
}

.lk-auth-body .sv-auth-card .btn-primary {
    /* наследует sv-btn-primary при добавлении класса */
}

.lk-auth-theme {
    backdrop-filter: blur(8px);
    transition: color 0.2s, border-color 0.2s, transform 0.2s;
}

.lk-auth-theme:hover {
    transform: scale(1.05);
}

/* ——— ЛК (внутренние страницы) ——— */
.lk-shell-page {
    background: var(--bg-body);
}

.lk-shell-page .wrapper,
.lk-shell-page .main-content,
.lk-shell-page .content-wrapper {
    position: relative;
    z-index: 2;
}

.lk-shell-page .sidebar {
    background: color-mix(in srgb, var(--bg-card) 92%, transparent) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-right: 1px solid var(--border-color);
}

.lk-shell-page .navbar-custom {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: color-mix(in srgb, var(--bg-body) 82%, transparent) !important;
    border-bottom: 1px solid var(--border-color);
}

.lk-shell-page .sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lk-shell-page .sidebar-brand .sv-logo {
    flex-shrink: 0;
}

.lk-shell-page .content-wrapper {
    padding-bottom: 5rem;
}

/* Анимации дашборда ЛК (как на витрине) */
.lk-page-wrap .sv-animate-in {
    animation: sv-fade-up 0.55s ease-out both;
}

.lk-page-wrap .sv-animate-in--1 { animation-delay: 0.05s; }
.lk-page-wrap .sv-animate-in--2 { animation-delay: 0.1s; }
.lk-page-wrap .sv-animate-in--3 { animation-delay: 0.15s; }
.lk-page-wrap .sv-animate-in--4 { animation-delay: 0.2s; }
.lk-page-wrap .sv-animate-in--5 { animation-delay: 0.25s; }
.lk-page-wrap .sv-animate-in--6 { animation-delay: 0.3s; }

.lk-page-wrap .stat-card,
.lk-page-wrap .lk-surface-card {
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.lk-page-wrap .stat-card:hover {
    transform: translateY(-2px);
}

.lk-page-wrap .btn-primary {
    background: linear-gradient(135deg, #0ea5e9, #6366f1) !important;
    border: none !important;
    transition: filter 0.2s, transform 0.2s, box-shadow 0.2s;
}

.lk-page-wrap .btn-primary:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.3);
}

@keyframes sv-fade-up {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .sv-waves__layer,
    .sv-hero,
    .sv-info-banner,
    .sv-countries,
    .sv-tariff-col,
    .sv-auth-card,
    .lk-page-wrap .sv-animate-in,
    .lk-support-msg {
        animation: none !important;
    }
    .sv-tariff-card:hover,
    .sv-btn-primary:hover,
    .lk-page-wrap .stat-card:hover,
    .lk-page-wrap .btn-primary:hover {
        transform: none;
    }
    .sv-btn-primary:hover::after {
        animation: none;
    }
}