/**
FileName: assets/css/payment.css
Version: 0.6.0
Written based on the version: 0.5.0
Purpose: Membership plan cards + sale price + coupon dropdown + unified USD/Tether display using semantic tokens
Decision Log:
  0.6.0 NEW: Fully token-driven surfaces/text for dark mode compatibility
  0.6.0 FIX: Removed local hardcoded light surfaces
Dependencies: tokens.css, components.css
Impact Map: Payment UI
Used By: tpl-payment-form.php
Namespace-location: CSS classes
Owner: A-SUN Studio
*/

[hidden] {
    display: none !important;
}

.asun-plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: 960px;
    margin: var(--spacing-2xl) auto;
    padding: 0 var(--spacing-md);
    color: var(--text-primary);
}

.asun-plan-card {
    background: var(--surface-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-asymmetric);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
    position: relative;
    color: var(--text-primary);
}

.asun-plan-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.asun-plan-card.is-current {
    border-color: var(--color-accent);
    background-image: linear-gradient(0deg, var(--surface-accent-soft), var(--surface-accent-soft));
}

.asun-plan-tier-label {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
}

[dir="ltr"] .asun-plan-tier-label {
    left: auto;
    right: var(--spacing-md);
}

.asun-plan-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.asun-plan-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm);
}

.asun-plan-price {
    display: grid;
    gap: 8px;
    justify-items: center;
    margin-bottom: var(--spacing-xs);
}

.asun-price-line {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    min-height: 1.7em;
}

.asun-price-toman {
    font-family: var(--font-fa, inherit);
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.2;
}

.asun-price-current {
    display: inline-block;
}

.asun-price-original {
    display: inline-block;
    font-size: 0.72em;
    font-weight: 500;
    color: var(--text-secondary);
    opacity: 0.85;
    text-decoration: line-through;
}

.asun-price-crypto {
    font-family: var(--font-en, inherit);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.asun-price-icons {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.asun-price-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
}

.asun-icon-usd {
    background: var(--surface-accent-soft);
    color: var(--color-accent);
}

.asun-icon-tether {
    background: var(--surface-primary-soft);
    color: var(--color-primary);
}

.asun-plan-duration {
    display: inline-block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    background: var(--surface-muted);
    padding: 2px 10px;
    border-radius: var(--radius-full);
}

.asun-plan-desc {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.asun-plan-footer {
    display: grid;
    gap: 10px;
    text-align: center;
}

.asun-plan-footer .asun-btn {
    width: 100%;
}

.asun-plan-badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.asun-plan-badge.is-active {
    background: var(--surface-accent-soft);
    color: var(--color-accent);
}

.asun-buy-btn.is-loading,
.asun-coupon-apply-btn.is-loading {
    opacity: 0.6;
    cursor: wait;
}

/* ===== Coupon Dropdown ===== */
.asun-coupon-dropdown {
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-asymmetric);
    background: var(--surface-card);
    overflow: hidden;
    text-align: right;
    color: var(--text-primary);
}

[dir="ltr"] .asun-coupon-dropdown {
    text-align: left;
}

.asun-coupon-dropdown summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 12px;
    cursor: pointer;
    list-style: none;
    user-select: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    transition: background var(--transition-base);
}

.asun-coupon-dropdown summary::-webkit-details-marker {
    display: none;
}

.asun-coupon-dropdown summary::after {
    content: "▾";
    font-size: 14px;
    transition: transform var(--transition-base);
}

.asun-coupon-dropdown[open] summary::after {
    transform: rotate(180deg);
}

.asun-coupon-dropdown summary:hover {
    background: var(--surface-primary-soft);
}

.asun-coupon-dropdown summary:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

.asun-coupon-fields {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px;
    border-top: 1px solid var(--border-color);
}

.asun-coupon-fields .asun-input {
    flex: 1;
    min-width: 160px;
    background: var(--surface-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.asun-coupon-message {
    width: 100%;
    margin: 4px 0 0;
    font-size: var(--font-size-xs);
    min-height: 1.2em;
}

.asun-coupon-message.is-success {
    color: var(--color-success);
}

.asun-coupon-message.is-error {
    color: var(--color-error);
}

.asun-payment-message {
    max-width: 960px;
    margin: 0 auto;
    color: var(--text-primary);
}

@media (max-width: 640px) {
    .asun-plans-grid {
        grid-template-columns: 1fr;
    }

    .asun-coupon-fields {
        flex-direction: column;
    }

    .asun-coupon-fields .asun-btn {
        width: 100%;
    }
}