/* ================================================================
   PREMIUM PAGE — Jovan AI (Zenith v3.0 Cosmos Design System)
   Dedicated styles for the upgrade/pricing page.
   ================================================================ */

/* ── Page Wrapper ── */
.premium-page-wrapper {
    padding: var(--space-xl) var(--space-lg);
    max-width: 1100px;
    margin: 0 auto;
    overflow-y: auto;
    overflow-x: hidden;
    height: 100%;
    position: relative;
}

/* ── Ambient Background Orbs ── */
.premium-page-wrapper::before,
.premium-page-wrapper::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    filter: blur(80px);
    opacity: 0.25;
}

.premium-page-wrapper::before {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, hsla(var(--p-h), 90%, 60%, 0.5), transparent 70%);
    top: -80px;
    left: -100px;
    animation: premiumOrbFloat 8s ease-in-out infinite alternate;
}

.premium-page-wrapper::after {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, hsla(var(--accent-h), 80%, 50%, 0.4), transparent 70%);
    bottom: -60px;
    right: -80px;
    animation: premiumOrbFloat 10s ease-in-out infinite alternate-reverse;
}

@keyframes premiumOrbFloat {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, -20px) scale(1.1); }
}

/* ── Hero Section ── */
.premium-hero {
    text-align: center;
    margin-bottom: 48px;
    position: relative;
    z-index: 1;
}

.premium-hero-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
    box-shadow: 0 8px 30px rgba(251, 191, 36, 0.35),
                0 0 0 6px rgba(251, 191, 36, 0.1);
    margin-bottom: 20px;
    font-size: 2rem;
    color: #fff;
}

.premium-hero-icon i {
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.2));
}

.premium-hero-title {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 10px;
    line-height: 1.2;
}

/* Shimmer text effect */
.shimmer-text {
    background: linear-gradient(
        105deg,
        var(--text-header) 0%,
        var(--text-header) 35%,
        var(--primary) 50%,
        var(--text-header) 65%,
        var(--text-header) 100%
    );
    background-size: 250% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmerTextSweep 4s ease-in-out infinite;
}

@keyframes shimmerTextSweep {
    0%   { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

.premium-hero-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 480px;
    margin: 0 auto;
    line-height: 1.65;
    font-weight: 500;
}

/* ── Plan Grid ── */
.premium-plans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
    margin-bottom: 40px;
    align-items: stretch;
}

/* ── Plan Card Base ── */
.premium-plan-card {
    background: var(--bg-card);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    backdrop-filter: blur(24px) saturate(160%);
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.premium-plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 15%;
    right: 15%;
    height: 2px;
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.premium-plan-card:hover {
    border-color: var(--primary);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), 0 0 30px hsla(var(--p-h), var(--p-s), var(--p-l), 0.12);
}

.premium-plan-card:hover::before {
    opacity: 1;
}

/* ── Featured / Popular Card ── */
.premium-plan-card.plan-featured {
    border-color: var(--primary);
    background: var(--bg-card);
    box-shadow: var(--shadow-lg), 0 0 40px hsla(var(--p-h), var(--p-s), var(--p-l), 0.15);
    transform: scale(1.04);
    z-index: 2;
}

.premium-plan-card.plan-featured::before {
    background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
    opacity: 0.8;
}

.premium-plan-card.plan-featured:hover {
    transform: scale(1.04) translateY(-6px);
    box-shadow: var(--shadow-xl), 0 0 50px hsla(var(--p-h), var(--p-s), var(--p-l), 0.25);
}

/* ── Premium (Gold) Card ── */
.premium-plan-card.plan-gold {
    border-color: rgba(251, 191, 36, 0.3);
}

.premium-plan-card.plan-gold::before {
    background: linear-gradient(90deg, transparent, #fbbf24, #f59e0b, transparent);
}

.premium-plan-card.plan-gold:hover {
    border-color: #fbbf24;
    box-shadow: var(--shadow-lg), 0 0 30px rgba(251, 191, 36, 0.15);
}

/* ── Popular Badge ── */
.plan-popular-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #f97316, #ec4899);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 5px 16px;
    border-radius: 0 0 10px 10px;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.35);
}

/* ── Plan Name ── */
.plan-name {
    font-size: 0.8rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 8px;
    margin-top: 8px;
}

.plan-name.plan-name-free    { color: var(--info); }
.plan-name.plan-name-basic   { color: var(--primary); }
.plan-name.plan-name-premium { color: #fbbf24; }

/* ── Pricing ── */
.plan-price {
    font-size: 2.8rem;
    font-weight: 950;
    color: var(--text-header);
    line-height: 1;
    margin-bottom: 4px;
}

.plan-price .price-period {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
}

.plan-tagline {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 24px;
}

/* ── Feature List ── */
.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
    width: 100%;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-main);
    margin: 0;
}

.plan-features li i {
    width: 20px;
    text-align: center;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.plan-features li i.fa-check  { color: #059669; }
.plan-features li i.fa-xmark  { color: var(--text-muted); opacity: 0.5; }
.plan-features li i.fa-crown  { color: #fbbf24; }

.plan-features li.feature-disabled {
    opacity: 0.45;
}

/* ── Plan CTA Buttons ── */
.plan-cta {
    width: 100%;
    padding: 13px 24px;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    border: none;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
    margin-top: auto;
}

.plan-cta::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(105deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
    pointer-events: none;
}

.plan-cta:hover::after {
    left: 120%;
}

/* Current plan button (disabled) */
.plan-cta-current {
    background: var(--bg-surface);
    color: var(--text-muted);
    border: 1.5px solid var(--border-light);
    cursor: default;
}

/* Upgrade Now (Primary) */
.plan-cta-primary {
    background: var(--grad-primary);
    color: #fff;
    box-shadow: 0 4px 16px hsla(var(--p-h), var(--p-s), var(--p-l), 0.35);
}

.plan-cta-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 28px hsla(var(--p-h), var(--p-s), var(--p-l), 0.45);
}

.plan-cta-primary:active {
    transform: translateY(1px) scale(0.98);
}

/* Go Premium (Gold) */
.plan-cta-gold {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #78350f;
    box-shadow: 0 4px 16px rgba(251, 191, 36, 0.35);
}

.plan-cta-gold:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 28px rgba(251, 191, 36, 0.45);
}

.plan-cta-gold:active {
    transform: translateY(1px) scale(0.98);
}

/* ── Trust Badges ── */
.premium-trust-badges {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 28px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
    padding-bottom: var(--space-lg);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
}

.trust-badge i {
    font-size: 0.85rem;
}

.trust-badge .fa-shield-halved  { color: #059669; }
.trust-badge .fa-lock           { color: var(--primary); }
.trust-badge .fa-rotate-left    { color: var(--info); }

/* ── Responsive ── */
@media (max-width: 900px) {
    .premium-plans-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }

    .premium-plan-card.plan-featured {
        transform: none;
        order: -1;
    }

    .premium-plan-card.plan-featured:hover {
        transform: translateY(-6px);
    }
}

@media (max-width: 480px) {
    .premium-page-wrapper {
        padding: var(--space-lg) var(--space-md);
    }

    .premium-hero {
        margin-bottom: 32px;
    }

    .premium-hero-icon {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }

    .plan-price {
        font-size: 2.2rem;
    }

    .premium-trust-badges {
        gap: 16px;
    }
}

/* ── Dark Mode Enhancements ── */
[data-theme="dark"] .premium-plan-card {
    background: rgba(20, 24, 40, 0.65);
}

[data-theme="dark"] .premium-plan-card.plan-featured {
    background: rgba(25, 30, 55, 0.8);
}

[data-theme="dark"] .plan-cta-current {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .plan-features li {
    color: #cbd5e1;
}

[data-theme="dark"] .plan-features li.feature-disabled {
    color: #64748b;
}

/* ── Recharge Modal Overrides ── */
.kids-plan-modal .premium-hero-title {
    font-size: 1.4rem;
    margin-top: 16px;
}

.kids-plan-modal .premium-hero-subtitle {
    margin-bottom: 24px;
}

.kids-plan-modal .premium-plans-grid {
    margin-bottom: 24px;
}

.kids-plan-modal .modal-close-btn {
    max-width: 200px;
    margin: 0 auto;
}