/* ========================================
   PREMIUM MODAL - X (Twitter) Style
   ======================================== */

/* Overlay - Full Screen (dvh avoids iOS 100vh toolbar gap; fill-available fallback) */
.premium-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 100vw;
    height: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    max-height: 100vh;
    max-height: 100dvh;
    background: linear-gradient(to bottom right, rgba(15, 23, 42, 0.79), rgba(30, 41, 59, 0.84), rgba(15, 23, 42, 0.74));
    z-index: 10001;
    align-items: center;
    justify-content: center;
    padding: env(safe-area-inset-top, 0px) env(safe-area-inset-right, 0px) env(safe-area-inset-bottom, 0px) env(safe-area-inset-left, 0px);
    overflow: hidden;
    box-sizing: border-box;
    --modal-slide-duration: 0.32s;
    --modal-slide-out-duration: 0.28s;
    --modal-slide-easing: cubic-bezier(0.32, 0.72, 0, 1);
    --modal-slide-out-easing: cubic-bezier(0.32, 0, 0.67, 0);
}

.premium-modal-overlay.active {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    animation: fadeIn var(--modal-slide-duration) ease both;
}

/* backwards (not both) so no transform lingers and the fixed close button stays viewport-anchored */
.premium-modal-overlay.active .premium-modal-container {
    animation: slideInFromRight var(--modal-slide-duration) var(--modal-slide-easing) backwards;
}

.premium-modal-overlay.active.closing {
    animation: fadeOut var(--modal-slide-out-duration) ease forwards;
    pointer-events: none;
}

.premium-modal-overlay.active.closing .premium-modal-container {
    animation: modalSlideOutToRight var(--modal-slide-out-duration) var(--modal-slide-out-easing) forwards;
}
/* Container — mobile: flex child fills overlay; tablet+ centered card */
.premium-modal-container {
    width: 100%;
    max-width: 100%;
    min-height: 0;
    flex: 1 1 auto;
    max-height: 100%;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    position: relative;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: contain;
    box-sizing: border-box;
}

/* Close Button (Top Left) */
.premium-close-btn {
    position: fixed;
    top: max(12px, env(safe-area-inset-top, 0px));
    left: max(12px, env(safe-area-inset-left, 0px));
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    font-size: var(--font-size-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: background 0.2s;
}

.premium-close-btn:active {
    background: rgba(255, 255, 255, 0.2);
}

/* Scrollable Content — top clears fixed close; overlay handles notch/home inset */
.premium-scroll-content {
    padding-top: calc(var(--spacing-md) + env(safe-area-inset-top, 0px));
    padding-left: var(--content-padding);
    padding-right: var(--content-padding);
    padding-bottom: var(--spacing-md);
    max-width: 560px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    box-sizing: border-box;
}

/* Logo */
.premium-logo {
    width: 44px;
    height: 44px;
    margin: 0 auto var(--spacing-sm);
    border-radius: var(--card-radius);
    overflow: hidden;
    flex-shrink: 0;
}

.premium-logo img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    border-radius: var(--card-radius);
}

/* Main Title */
.premium-main-title {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-special);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    text-align: center;
    margin: 0 0 0.75rem 0;
    letter-spacing: var(--tracking-tight);
    line-height: 1.2;
}

/* Plan Tabs */
.premium-tabs {
    display: flex;
    align-items: stretch;
    gap: 3px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--card-radius);
    padding: 3px;
    margin-bottom: 0.75rem;
}

.premium-tab {
    flex: 1;
    min-width: 0;
    min-height: 38px;
    padding: 0 var(--spacing-sm);
    background: transparent;
    border: none;
    border-radius: var(--card-radius);
    color: var(--text-muted);
    font-family: var(--font-family-sans);
    font-size: var(--font-size-secondary);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--tracking-loose);
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 6px;
    text-align: center;
    white-space: nowrap;
}

/* Injected by premium.js for current plan */
.premium-tab .current-badge {
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.22);
    color: #fff;
    padding: 2px 6px;
    border-radius: var(--card-radius);
    font-size: var(--font-size-secondaryallest);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.04em;
    line-height: 1.3;
    margin: 0;
}

.premium-tab:not(.active) .current-badge {
    background: var(--completed-color, #10b981);
}

.premium-tab.active {
    background: var(--accent-green);
    color: #fff;
}

.premium-tab:active {
    transform: scale(0.98);
}

/* Features List */
.premium-features-list {
    margin-bottom: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.premium-feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--card-radius);
}

.premium-feature-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--card-radius);
    background: rgba(16, 185, 129, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.premium-feature-icon i {
    font-size: var(--font-size-secondary);
    color: #10b981;
}

.premium-feature-content {
    min-width: 0;
    flex: 1;
    text-align: left;
}

.premium-feature-content h3 {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-secondary);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0 0 2px 0;
    line-height: 1.3;
    letter-spacing: var(--tracking-loose);
}

.premium-feature-content p {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-tertiary);
    font-weight: var(--font-weight-regular);
    color: var(--text-muted);
    margin: 0;
    line-height: 1.4;
    letter-spacing: var(--tracking-loose);
}

/* Free plan notice (rendered by premium.js) */
.premium-plan-notice {
    text-align: center;
    padding: 0.5rem 0.75rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: var(--card-radius);
}

.premium-plan-notice__title {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-secondary);
    font-weight: var(--font-weight-semibold);
    color: #3b82f6;
    margin-bottom: 2px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.premium-plan-notice__text {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-tertiary);
    color: var(--text-muted);
    line-height: 1.4;
}

.premium-plan-notice--warning {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
}

.premium-plan-notice--warning .premium-plan-notice__title {
    color: #ef4444;
}

/* Pricing Cards */
/* auto-fit collapses tracks of hidden cards, so a lone visible card spans the full row */
.premium-pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
    margin-bottom: 0.75rem;
    align-items: stretch;
}

.premium-pricing-card {
    position: relative;
    padding: 0.75rem 0.875rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--card-radius);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    text-align: left;
    box-sizing: border-box;
}

.premium-pricing-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    width: 100%;
}

.premium-pricing-card:active {
    transform: scale(0.98);
}

.premium-pricing-card.selected {
    background: rgba(16, 185, 129, 0.1);
    border-color: #10b981;
}

.premium-pricing-badge {
    position: absolute;
    top: -9px;
    right: 10px;
    background: #10b981;
    color: #000;
    font-family: var(--font-family-sans);
    font-size: var(--font-size-secondaryallest);
    font-weight: var(--font-weight-semibold);
    padding: 3px 7px;
    border-radius: var(--card-radius);
    letter-spacing: 0.04em;
    line-height: 1.2;
    white-space: nowrap;
}

.premium-pricing-label {
    display: block;
    font-family: var(--font-family-sans);
    font-size: var(--font-size-tertiary);
    font-weight: var(--font-weight-medium);
    color: var(--text-muted);
    margin-bottom: 0;
    letter-spacing: var(--tracking-loose);
}

.premium-pricing-amount {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    column-gap: var(--spacing-xs);
    margin-bottom: 0;
}

.premium-price {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-special);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    letter-spacing: var(--tracking-tight);
    line-height: 1.15;
    white-space: nowrap;
}

.premium-price-period {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-tertiary);
    font-weight: var(--font-weight-regular);
    color: var(--text-muted);
    letter-spacing: var(--tracking-loose);
    white-space: nowrap;
}

.premium-pricing-monthly {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-tertiary);
    font-weight: var(--font-weight-regular);
    color: var(--text-muted);
    letter-spacing: var(--tracking-loose);
}

.premium-pricing-card[data-plan="cloud"] .premium-pricing-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

/* Subscribe Button */
.premium-subscribe-btn {
    width: 100%;
    min-height: 48px;
    padding: var(--button-padding-v) var(--button-padding-h);
    background: #fff;
    color: #000;
    border: none;
    border-radius: var(--card-radius);
    font-family: var(--font-family-sans);
    font-size: var(--font-size-secondary);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--tracking-loose);
    line-height: 1.5;
    cursor: pointer;
    margin-bottom: var(--spacing-sm);
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.premium-subscribe-btn:active {
    transform: scale(0.98);
    background: rgba(255, 255, 255, 0.9);
}

/* Subscription Info */
.subscription-info {
    padding: 0.75rem var(--spacing-md);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--card-radius);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.subscription-info__label {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-tertiary);
    font-weight: var(--font-weight-medium);
    color: var(--text-muted);
    margin: 0 0 2px 0;
    letter-spacing: var(--tracking-loose);
}

.subscription-info__value {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-secondary);
    font-weight: var(--font-weight-semibold);
    color: var(--completed-color, #10b981);
    margin: 0;
    line-height: 1.35;
    letter-spacing: var(--tracking-loose);
}

/* Manage Subscription Button */
.btn-manage-subscription {
    width: 100%;
    min-height: var(--touch-target-min);
    margin-top: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--card-radius);
    color: var(--text-primary);
    font-family: var(--font-family-sans);
    font-size: var(--font-size-secondary);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--tracking-loose);
    cursor: pointer;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-manage-subscription i {
    font-size: var(--font-size-tertiary);
}

/* Terms */
.premium-terms {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-tertiary);
    font-weight: var(--font-weight-regular);
    color: var(--text-muted);
    line-height: 1.5;
    text-align: center;
    margin: var(--spacing-xs) 0 var(--spacing-sm) 0;
    padding: 0 var(--spacing-sm);
    letter-spacing: var(--tracking-loose);
}

.premium-terms a {
    color: var(--accent-green);
    text-decoration: underline;
}

/* Restore Purchase Button */
.btn-restore-purchase {
    width: 100%;
    min-height: 40px;
    margin: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--card-radius);
    color: var(--text-muted);
    font-family: var(--font-family-sans);
    font-size: var(--font-size-tertiary);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--tracking-loose);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* Phones and short screens — titles only so the whole paywall fits without scrolling */
@media (max-width: 480px), (max-height: 820px) {
    .premium-feature-content p {
        display: none;
    }

    .premium-feature-content h3 {
        margin: 0;
    }

    .premium-feature-icon {
        width: 28px;
        height: 28px;
    }

    .premium-feature-icon i {
        font-size: var(--font-size-tertiary);
    }
}

/* Narrow phones — tighter rhythm */
@media (max-width: 380px) {
    .premium-scroll-content {
        padding-top: calc(0.75rem + env(safe-area-inset-top, 0px));
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }

    .premium-main-title {
        font-size: var(--font-size-default);
        letter-spacing: var(--tracking-normal);
        margin-bottom: var(--spacing-sm);
    }

    .premium-logo {
        width: 40px;
        height: 40px;
    }

    .premium-tab {
        padding: 0 6px;
        font-size: var(--font-size-tertiary);
    }

    .premium-feature-item {
        gap: 0.625rem;
    }
}

/* Short viewports (e.g. landscape iPhone) — keep actions reachable */
@media (max-height: 520px) {
    .premium-scroll-content {
        padding-top: calc(0.75rem + env(safe-area-inset-top, 0px));
        padding-bottom: 0.75rem;
    }

    .premium-logo {
        display: none;
    }

    .premium-main-title {
        font-size: var(--font-size-default);
        margin-bottom: var(--spacing-sm);
    }

    .premium-tabs,
    .premium-features-list {
        margin-bottom: var(--spacing-sm);
    }
}

/* Tablet & Desktop */
@media (min-width: 768px) {
    .premium-modal-overlay.active {
        flex-direction: row;
        align-items: center;
        justify-content: center;
    }

    .premium-modal-overlay.active .premium-modal-container {
        animation: modalFadeInCenter var(--modal-slide-duration) var(--modal-slide-easing) backwards;
    }

    .premium-modal-overlay.active.closing .premium-modal-container {
        animation: modalFadeOutCenter var(--modal-slide-out-duration) var(--modal-slide-out-easing) forwards;
    }

    .premium-modal-container {
        flex: 0 0 auto;
        width: 540px;
        max-width: min(540px, calc(100vw - 2rem));
        height: auto;
        min-height: 0;
        max-height: min(90vh, 100dvh);
        border-radius: var(--card-radius);
        border: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
        margin: 0;
    }

    .premium-close-btn {
        position: absolute;
        top: 12px;
        left: 12px;
    }

    .premium-scroll-content {
        max-width: 100%;
        padding: var(--spacing-md) var(--spacing-lg) var(--spacing-md);
    }
}

/* Light Theme */

body.light-theme .premium-modal-container {
    background: var(--bg-secondary);
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
}

body.light-theme .premium-close-btn {
    background: rgba(0, 0, 0, 0.05);
    color: #000;
}

body.light-theme .premium-main-title {
    color: #1a202c;
}

body.light-theme .premium-tabs {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.06);
}

body.light-theme .premium-tab {
    color: rgba(0, 0, 0, 0.6);
}

body.light-theme .premium-tab.active {
    background: var(--accent-green);
    color: #000;
}

body.light-theme .premium-tab.active .current-badge {
    background: rgba(0, 0, 0, 0.15);
    color: #000;
}

body.light-theme .premium-feature-item {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.06);
}

body.light-theme .premium-feature-content h3 {
    color: #1a202c;
}

body.light-theme .premium-feature-content p {
    color: rgba(0, 0, 0, 0.6);
}

body.light-theme .premium-pricing-card {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.1);
}

body.light-theme .premium-pricing-card.selected {
    background: rgba(16, 185, 129, 0.08);
    border-color: #10b981;
}

body.light-theme .premium-pricing-label {
    color: rgba(0, 0, 0, 0.7);
}

body.light-theme .premium-price {
    color: #1a202c;
}

body.light-theme .premium-subscribe-btn {
    background: #000;
    color: #fff;
}

body.light-theme .btn-manage-subscription {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.1);
    color: #1a202c;
}

body.light-theme .premium-terms {
    color: rgba(0, 0, 0, 0.5);
}

body.light-theme .btn-restore-purchase {
    color: rgba(0, 0, 0, 0.5);
    border-color: rgba(0, 0, 0, 0.1);
}

body.light-theme .subscription-info__label {
    color: var(--text-muted);
}

body.light-theme .subscription-info__value {
    color: var(--completed-color, #10b981);
}

@media (prefers-reduced-motion: reduce) {
    .premium-modal-overlay.active,
    .premium-modal-overlay.active .premium-modal-container {
        animation: none !important;
    }
}