/* ═══════════════════════════════════════════════════════════
   Settings page — uses design tokens from style.css
   ═══════════════════════════════════════════════════════════ */

body.settings-body {
    height: auto;
    min-height: 100vh;
    overflow-y: auto;
    background: var(--bg-deep);
}

.settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--s4) var(--s5);
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(10px);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    color: var(--ink-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.back-link:hover { color: var(--gold); }
.back-link svg { transform: scaleX(-1); /* RTL flip */ }

.settings-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--ink-primary);
    letter-spacing: -0.01em;
}

.settings-spacer { width: 130px; }

.settings-main {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--s7) var(--s5) var(--s8);
}

/* ─── Loading ─── */
.settings-loading {
    text-align: center;
    padding: var(--s8) 0;
}
.loading-pulse {
    width: 20px;
    height: 20px;
    margin: 0 auto var(--s3);
    border-radius: 50%;
    background: var(--gold);
    animation: pulse 1.4s infinite ease-in-out;
}
@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: scale(0.9); }
    50% { opacity: 1; transform: scale(1.1); }
}

.settings-empty {
    text-align: center;
    padding: var(--s8) var(--s5);
}
.settings-empty p {
    color: var(--ink-secondary);
    margin-bottom: var(--s5);
}

.hidden { display: none !important; }

/* ─── Sections ─── */
.settings-section {
    margin-bottom: var(--s8);
}

.section-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--ink-primary);
    margin-bottom: var(--s2);
    letter-spacing: -0.01em;
}

.section-desc {
    color: var(--ink-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: var(--s4);
}

/* ─── Cards ─── */
.card {
    background: var(--bg-elevated);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    padding: var(--s5);
}
.card + .card { margin-top: var(--s3); }

/* ─── Tier card ─── */
.card-tier {
    background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--gold-faint) 100%);
}
.tier-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--s4);
}
.tier-label {
    font-size: 0.78rem;
    color: var(--ink-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--s1);
}
.tier-name {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--gold-bright);
    text-transform: capitalize;
}
.tier-status {
    font-size: 0.78rem;
    padding: var(--s1) var(--s3);
    border-radius: var(--r-pill);
    background: var(--gold-faint);
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.tier-meta { font-size: 0.88rem; }
.meta-row {
    display: flex;
    justify-content: space-between;
    padding: var(--s2) 0;
    border-top: 1px solid var(--line);
}
.meta-label { color: var(--ink-tertiary); }
.meta-value { color: var(--ink-secondary); }

/* ─── Wallet card ─── */
.wallet-balance { margin-bottom: var(--s5); }
.wallet-label {
    font-size: 0.78rem;
    color: var(--ink-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--s2);
}
.wallet-amount {
    font-size: 2.4rem;
    font-weight: 600;
    color: var(--ink-primary);
    letter-spacing: -0.02em;
}
.wallet-currency {
    font-size: 0.85rem;
    color: var(--ink-tertiary);
    margin-right: var(--s2);
    font-weight: 400;
}
.wallet-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s4);
    padding-top: var(--s4);
    border-top: 1px solid var(--line);
}
.stat-label {
    font-size: 0.78rem;
    color: var(--ink-tertiary);
    margin-bottom: var(--s1);
}
.stat-value {
    font-size: 1rem;
    color: var(--ink-secondary);
}
.wallet-note {
    margin-top: var(--s4);
    padding-top: var(--s4);
    border-top: 1px solid var(--line);
    font-size: 0.82rem;
    color: var(--ink-tertiary);
    font-style: italic;
}

/* ─── API Key form ─── */
.key-status-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--s4);
    padding-bottom: var(--s4);
    border-bottom: 1px solid var(--line);
}
.key-info {
    display: flex;
    align-items: center;
    gap: var(--s3);
    flex-wrap: wrap;
}
.key-state {
    font-size: 0.85rem;
    padding: var(--s1) var(--s3);
    border-radius: var(--r-pill);
}
.key-state.set {
    background: rgba(106, 179, 154, 0.12);
    color: var(--green-soft);
}
.key-state.unset {
    background: rgba(255, 255, 255, 0.04);
    color: var(--ink-tertiary);
}
.key-masked {
    font-family: 'SF Mono', Menlo, Consolas, monospace;
    color: var(--ink-secondary);
    font-size: 0.88rem;
}
.key-actions {
    display: flex;
    gap: var(--s2);
}

.form-label {
    display: block;
    font-size: 0.85rem;
    color: var(--ink-secondary);
    margin-bottom: var(--s2);
}
.form-input {
    width: 100%;
    padding: var(--s3) var(--s4);
    background: var(--bg-deep);
    border: 1px solid var(--line-strong);
    border-radius: var(--r-md);
    color: var(--ink-primary);
    font-family: 'SF Mono', Menlo, Consolas, monospace;
    font-size: 0.92rem;
    transition: border-color 0.2s;
}
.form-input:focus {
    outline: none;
    border-color: var(--gold-soft);
}
.form-hint {
    margin-top: var(--s2);
    font-size: 0.82rem;
    color: var(--ink-tertiary);
}
.form-hint a {
    color: var(--gold);
    text-decoration: none;
}
.form-hint a:hover { text-decoration: underline; }

.form-actions {
    margin-top: var(--s4);
    display: flex;
    gap: var(--s3);
}

.form-message {
    margin-top: var(--s4);
    padding: var(--s3) var(--s4);
    border-radius: var(--r-md);
    font-size: 0.88rem;
}
.form-message.success {
    background: rgba(106, 179, 154, 0.08);
    border: 1px solid rgba(106, 179, 154, 0.2);
    color: var(--green-soft);
}
.form-message.error {
    background: rgba(217, 119, 87, 0.08);
    border: 1px solid rgba(217, 119, 87, 0.2);
    color: var(--red-soft);
}

/* ─── Buttons ─── */
.btn-primary, .btn-secondary, .btn-danger {
    padding: var(--s2) var(--s5);
    border-radius: var(--r-md);
    font-family: inherit;
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    text-decoration: none;
}
.btn-primary {
    background: var(--gold);
    color: var(--bg-deep);
}
.btn-primary:hover { background: var(--gold-bright); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
    background: transparent;
    color: var(--ink-secondary);
    border-color: var(--line-strong);
}
.btn-secondary:hover {
    color: var(--ink-primary);
    border-color: var(--gold-soft);
}
.btn-secondary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-danger {
    background: transparent;
    color: var(--red-soft);
    border-color: rgba(217, 119, 87, 0.3);
}
.btn-danger:hover {
    background: rgba(217, 119, 87, 0.08);
}

/* ─── Radio group ─── */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--s2);
}
.radio-row {
    display: flex;
    align-items: flex-start;
    gap: var(--s3);
    padding: var(--s3) var(--s4);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    cursor: pointer;
    transition: all 0.2s;
}
.radio-row:hover {
    border-color: var(--line-strong);
    background: var(--bg-hover);
}
.radio-row input[type="radio"] {
    margin-top: 4px;
    accent-color: var(--gold);
    flex-shrink: 0;
}
.radio-row input[type="radio"]:checked ~ .radio-content .radio-title {
    color: var(--gold-bright);
}
.radio-row:has(input:checked) {
    border-color: var(--gold-soft);
    background: var(--gold-faint);
}
.radio-content { flex: 1; }
.radio-title {
    font-weight: 500;
    color: var(--ink-primary);
    margin-bottom: var(--s1);
}
.radio-desc {
    font-size: 0.85rem;
    color: var(--ink-tertiary);
    line-height: 1.6;
}

/* ─── Pricing table ─── */
.pricing-table {
    padding: 0;
    overflow: hidden;
}
.pricing-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    padding: var(--s3) var(--s5);
    border-bottom: 1px solid var(--line);
    font-size: 0.92rem;
}
.pricing-row:last-child { border-bottom: none; }
.pricing-row.pricing-header {
    background: var(--bg);
    font-size: 0.78rem;
    color: var(--ink-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.price-cheap {
    color: var(--green-soft);
    font-family: 'SF Mono', monospace;
}
.price-expensive {
    color: var(--ink-secondary);
    font-family: 'SF Mono', monospace;
}

/* ─── Usage ─── */
.usage-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s5);
    padding-bottom: var(--s4);
    border-bottom: 1px solid var(--line);
    margin-bottom: var(--s4);
}
.usage-stat-value {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--ink-primary);
    letter-spacing: -0.01em;
    margin-bottom: var(--s1);
}
.usage-stat-label {
    font-size: 0.82rem;
    color: var(--ink-tertiary);
}
.usage-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--s2);
}
.usage-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.88rem;
    color: var(--ink-secondary);
}

/* ─── Mobile ─── */
@media (max-width: 600px) {
    .settings-main { padding: var(--s5) var(--s4) var(--s7); }
    .wallet-amount { font-size: 1.8rem; }
    .pricing-row { grid-template-columns: 1.4fr 1fr 1fr; padding: var(--s3); }
    .settings-spacer { display: none; }
    .settings-title { font-size: 1rem; }
}
/* ═══════════════════════════════════════════════════════════════
   Phase H.5c — Stripe Payment UI Styles
   ═══════════════════════════════════════════════════════════════ */

/* Payment card */
.card-payment {
    margin-top: 1rem;
}

/* ─── Upgrade Section (for free users) ─── */
.upgrade-section {
    margin-bottom: 2rem;
}

.upgrade-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 1rem 0;
}

.plans-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 768px) {
    .plans-grid {
        grid-template-columns: 1fr;
    }
}

.plan-card {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    background: var(--bg-secondary);
    transition: all 0.2s ease;
}

.plan-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 16px rgba(76, 80, 106, 0.1);
}

.plan-card.plan-plus {
    border-color: #10b981;
}

.plan-card.plan-plus:hover {
    border-color: #059669;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.15);
}

.plan-card.plan-pro {
    border-color: #8b5cf6;
}

.plan-card.plan-pro:hover {
    border-color: #7c3aed;
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.15);
}

.plan-header {
    margin-bottom: 1rem;
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.plan-price {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-color);
}

.plan-period {
    font-size: 0.9rem;
    font-weight: 400;
    opacity: 0.8;
}

.plan-features {
    margin-bottom: 1.5rem;
}

.feature {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.btn-upgrade {
    width: 100%;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-upgrade:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-upgrade:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-upgrade.btn-plus {
    background: #10b981;
}

.btn-upgrade.btn-plus:hover {
    background: #059669;
}

.btn-upgrade.btn-pro {
    background: #8b5cf6;
}

.btn-upgrade.btn-pro:hover {
    background: #7c3aed;
}

/* ─── Manage Section (for existing subscribers) ─── */
.manage-section {
    margin-bottom: 2rem;
}

.manage-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 0.5rem 0;
}

.manage-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0 0 1rem 0;
    line-height: 1.4;
}

.btn-manage {
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-manage:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-manage:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ─── Top-up Section (for all users) ─── */
.topup-section {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.topup-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 0.5rem 0;
}

.topup-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0 0 1rem 0;
}

.topup-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

@media (max-width: 480px) {
    .topup-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
}

.btn-topup {
    background: var(--bg-secondary);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-topup:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    transform: translateY(-1px);
}

.btn-topup:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ─── Toast notification ─── */
.toast {
    position: fixed;
    top: 2rem;
    right: 50%;
    transform: translateX(50%);
    z-index: 1000;
    background: white;
    border-radius: 8px;
    padding: 1rem 1.5rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    max-width: 400px;
}

.toast.hidden {
    opacity: 0;
    transform: translateX(50%) translateY(-100%);
    pointer-events: none;
}

.toast.success {
    border-color: #10b981;
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
}

.toast.error {
    border-color: #ef4444;
    background: linear-gradient(135deg, #fef2f2, #fecaca);
}

.toast.info {
    border-color: #3b82f6;
    background: linear-gradient(135deg, #eff6ff, #bfdbfe);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toast-icon {
    font-size: 1.25rem;
    font-weight: 600;
}

.toast.success .toast-icon {
    color: #10b981;
}

.toast.error .toast-icon {
    color: #ef4444;
}

.toast.info .toast-icon {
    color: #3b82f6;
}

.toast-message {
    font-size: 0.9rem;
    color: var(--text-color);
    line-height: 1.4;
}

/* ─── Utility: Hidden class ─── */
.hidden {
    display: none !important;
}
/* ═══════════════════════════════════════════════════════════════
   Phase H.5c — Stripe Payment UI Styles
   ═══════════════════════════════════════════════════════════════ */

/* Payment card */
.card-payment {
    margin-top: 1rem;
}

/* ─── Upgrade Section (for free users) ─── */
.upgrade-section {
    margin-bottom: 2rem;
}

.upgrade-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 1rem 0;
}

.plans-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 768px) {
    .plans-grid {
        grid-template-columns: 1fr;
    }
}

.plan-card {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    background: var(--bg-secondary);
    transition: all 0.2s ease;
}

.plan-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 16px rgba(76, 80, 106, 0.1);
}

.plan-card.plan-plus {
    border-color: #10b981;
}

.plan-card.plan-plus:hover {
    border-color: #059669;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.15);
}

.plan-card.plan-pro {
    border-color: #8b5cf6;
}

.plan-card.plan-pro:hover {
    border-color: #7c3aed;
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.15);
}

.plan-header {
    margin-bottom: 1rem;
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.plan-price {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-color);
}

.plan-period {
    font-size: 0.9rem;
    font-weight: 400;
    opacity: 0.8;
}

.plan-features {
    margin-bottom: 1.5rem;
}

.feature {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.btn-upgrade {
    width: 100%;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-upgrade:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-upgrade:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-upgrade.btn-plus {
    background: #10b981;
}

.btn-upgrade.btn-plus:hover {
    background: #059669;
}

.btn-upgrade.btn-pro {
    background: #8b5cf6;
}

.btn-upgrade.btn-pro:hover {
    background: #7c3aed;
}

/* ─── Manage Section (for existing subscribers) ─── */
.manage-section {
    margin-bottom: 2rem;
}

.manage-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 0.5rem 0;
}

.manage-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0 0 1rem 0;
    line-height: 1.4;
}

.btn-manage {
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-manage:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-manage:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ─── Top-up Section (for all users) ─── */
.topup-section {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.topup-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 0.5rem 0;
}

.topup-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0 0 1rem 0;
}

.topup-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

@media (max-width: 480px) {
    .topup-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
}

.btn-topup {
    background: var(--bg-secondary);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-topup:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    transform: translateY(-1px);
}

.btn-topup:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ─── Toast notification ─── */
.toast {
    position: fixed;
    top: 2rem;
    right: 50%;
    transform: translateX(50%);
    z-index: 1000;
    background: white;
    border-radius: 8px;
    padding: 1rem 1.5rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    max-width: 400px;
}

.toast.hidden {
    opacity: 0;
    transform: translateX(50%) translateY(-100%);
    pointer-events: none;
}

.toast.success {
    border-color: #10b981;
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
}

.toast.error {
    border-color: #ef4444;
    background: linear-gradient(135deg, #fef2f2, #fecaca);
}

.toast.info {
    border-color: #3b82f6;
    background: linear-gradient(135deg, #eff6ff, #bfdbfe);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toast-icon {
    font-size: 1.25rem;
    font-weight: 600;
}

.toast.success .toast-icon {
    color: #10b981;
}

.toast.error .toast-icon {
    color: #ef4444;
}

.toast.info .toast-icon {
    color: #3b82f6;
}

.toast-message {
    font-size: 0.9rem;
    color: var(--text-color);
    line-height: 1.4;
}

/* ─── Utility: Hidden class ─── */
.hidden {
    display: none !important;
}
/* ═══════════════════════════════════════════════════════════════
   Phase H.5c — Stripe Payment UI Styles
   ═══════════════════════════════════════════════════════════════ */

/* Payment card */
.card-payment {
    margin-top: 1rem;
}

/* ─── Upgrade Section (for free users) ─── */
.upgrade-section {
    margin-bottom: 2rem;
}

.upgrade-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 1rem 0;
}

.plans-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 768px) {
    .plans-grid {
        grid-template-columns: 1fr;
    }
}

.plan-card {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    background: var(--bg-secondary);
    transition: all 0.2s ease;
}

.plan-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 16px rgba(76, 80, 106, 0.1);
}

.plan-card.plan-plus {
    border-color: #10b981;
}

.plan-card.plan-plus:hover {
    border-color: #059669;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.15);
}

.plan-card.plan-pro {
    border-color: #8b5cf6;
}

.plan-card.plan-pro:hover {
    border-color: #7c3aed;
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.15);
}

.plan-header {
    margin-bottom: 1rem;
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.plan-price {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-color);
}

.plan-period {
    font-size: 0.9rem;
    font-weight: 400;
    opacity: 0.8;
}

.plan-features {
    margin-bottom: 1.5rem;
}

.feature {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.btn-upgrade {
    width: 100%;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-upgrade:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-upgrade:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-upgrade.btn-plus {
    background: #10b981;
}

.btn-upgrade.btn-plus:hover {
    background: #059669;
}

.btn-upgrade.btn-pro {
    background: #8b5cf6;
}

.btn-upgrade.btn-pro:hover {
    background: #7c3aed;
}

/* ─── Manage Section (for existing subscribers) ─── */
.manage-section {
    margin-bottom: 2rem;
}

.manage-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 0.5rem 0;
}

.manage-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0 0 1rem 0;
    line-height: 1.4;
}

.btn-manage {
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-manage:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-manage:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ─── Top-up Section (for all users) ─── */
.topup-section {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.topup-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 0.5rem 0;
}

.topup-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0 0 1rem 0;
}

.topup-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

@media (max-width: 480px) {
    .topup-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
}

.btn-topup {
    background: var(--bg-secondary);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-topup:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    transform: translateY(-1px);
}

.btn-topup:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ─── Toast notification ─── */
.toast {
    position: fixed;
    top: 2rem;
    right: 50%;
    transform: translateX(50%);
    z-index: 1000;
    background: white;
    border-radius: 8px;
    padding: 1rem 1.5rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    max-width: 400px;
}

.toast.hidden {
    opacity: 0;
    transform: translateX(50%) translateY(-100%);
    pointer-events: none;
}

.toast.success {
    border-color: #10b981;
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
}

.toast.error {
    border-color: #ef4444;
    background: linear-gradient(135deg, #fef2f2, #fecaca);
}

.toast.info {
    border-color: #3b82f6;
    background: linear-gradient(135deg, #eff6ff, #bfdbfe);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toast-icon {
    font-size: 1.25rem;
    font-weight: 600;
}

.toast.success .toast-icon {
    color: #10b981;
}

.toast.error .toast-icon {
    color: #ef4444;
}

.toast.info .toast-icon {
    color: #3b82f6;
}

.toast-message {
    font-size: 0.9rem;
    color: var(--text-color);
    line-height: 1.4;
}

/* ─── Utility: Hidden class ─── */
.hidden {
    display: none !important;
}
/* ═══════════════════════════════════════════════════════════════
   Phase H.5c — Stripe Payment UI Styles
   ═══════════════════════════════════════════════════════════════ */

/* Payment card */
.card-payment {
    margin-top: 1rem;
}

/* ─── Upgrade Section (for free users) ─── */
.upgrade-section {
    margin-bottom: 2rem;
}

.upgrade-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 1rem 0;
}

.plans-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 768px) {
    .plans-grid {
        grid-template-columns: 1fr;
    }
}

.plan-card {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    background: var(--bg-secondary);
    transition: all 0.2s ease;
}

.plan-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 16px rgba(76, 80, 106, 0.1);
}

.plan-card.plan-plus {
    border-color: #10b981;
}

.plan-card.plan-plus:hover {
    border-color: #059669;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.15);
}

.plan-card.plan-pro {
    border-color: #8b5cf6;
}

.plan-card.plan-pro:hover {
    border-color: #7c3aed;
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.15);
}

.plan-header {
    margin-bottom: 1rem;
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.plan-price {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-color);
}

.plan-period {
    font-size: 0.9rem;
    font-weight: 400;
    opacity: 0.8;
}

.plan-features {
    margin-bottom: 1.5rem;
}

.feature {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.btn-upgrade {
    width: 100%;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-upgrade:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-upgrade:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-upgrade.btn-plus {
    background: #10b981;
}

.btn-upgrade.btn-plus:hover {
    background: #059669;
}

.btn-upgrade.btn-pro {
    background: #8b5cf6;
}

.btn-upgrade.btn-pro:hover {
    background: #7c3aed;
}

/* ─── Manage Section (for existing subscribers) ─── */
.manage-section {
    margin-bottom: 2rem;
}

.manage-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 0.5rem 0;
}

.manage-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0 0 1rem 0;
    line-height: 1.4;
}

.btn-manage {
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-manage:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-manage:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ─── Top-up Section (for all users) ─── */
.topup-section {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.topup-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 0.5rem 0;
}

.topup-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0 0 1rem 0;
}

.topup-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

@media (max-width: 480px) {
    .topup-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
}

.btn-topup {
    background: var(--bg-secondary);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-topup:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    transform: translateY(-1px);
}

.btn-topup:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ─── Toast notification ─── */
.toast {
    position: fixed;
    top: 2rem;
    right: 50%;
    transform: translateX(50%);
    z-index: 1000;
    background: white;
    border-radius: 8px;
    padding: 1rem 1.5rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    max-width: 400px;
}

.toast.hidden {
    opacity: 0;
    transform: translateX(50%) translateY(-100%);
    pointer-events: none;
}

.toast.success {
    border-color: #10b981;
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
}

.toast.error {
    border-color: #ef4444;
    background: linear-gradient(135deg, #fef2f2, #fecaca);
}

.toast.info {
    border-color: #3b82f6;
    background: linear-gradient(135deg, #eff6ff, #bfdbfe);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toast-icon {
    font-size: 1.25rem;
    font-weight: 600;
}

.toast.success .toast-icon {
    color: #10b981;
}

.toast.error .toast-icon {
    color: #ef4444;
}

.toast.info .toast-icon {
    color: #3b82f6;
}

.toast-message {
    font-size: 0.9rem;
    color: var(--text-color);
    line-height: 1.4;
}

/* ─── Utility: Hidden class ─── */
.hidden {
    display: none !important;
}

/* ═══════════════════════════════════════════════════════════════ */
/* Phase Stripe Fix — Toast color override                         */
/* مشکل قبل: var(--text-color) تعریف نشده بود → متن نامرئی        */
/* راه حل: رنگ explicit تیره برای هر نوع toast                    */
/* ═══════════════════════════════════════════════════════════════ */

.toast-message {
    color: #1f2937 !important;  /* تیره برای روی پس‌زمینه‌ی روشن */
    font-weight: 500;
}

.toast.success .toast-message { color: #065f46 !important; }
.toast.success .toast-icon    { color: #059669 !important; }

.toast.error .toast-message   { color: #991b1b !important; }
.toast.error .toast-icon      { color: #dc2626 !important; }

.toast.info .toast-message    { color: #1e40af !important; }
.toast.info .toast-icon       { color: #2563eb !important; }

/* ═══════════════════════════════════════════════════════════════ */
/* Phase Stripe Fix v2 — Button styling override                   */
/* مشکل: متغیرهای --bg-secondary, --text-color, --accent-color    */
/*       --border-color تعریف نشده‌ بودن → دکمه‌ها نامرئی بودن    */
/* راه حل: استفاده از متغیرهای واقعی پروژه (gold, ink, bg)        */
/* ═══════════════════════════════════════════════════════════════ */

/* ─── Topup buttons (شارژ کیف پول) ─── */
.btn-topup {
    background: var(--bg-elevated) !important;
    color: var(--ink-primary) !important;
    border: 1px solid var(--gold-soft) !important;
    border-radius: 10px !important;
    padding: 0.85rem 1.25rem !important;
    font-size: 0.95rem !important;
    font-weight: 500 !important;
    font-family: inherit;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    min-width: 80px;
}

.btn-topup:hover {
    background: var(--gold-faint) !important;
    color: var(--gold-bright) !important;
    border-color: var(--gold) !important;
    transform: translateY(-1px);
}

.btn-topup:disabled {
    opacity: 0.5 !important;
    cursor: not-allowed !important;
    transform: none !important;
}

/* ─── Manage subscription button (Stripe portal) ─── */
.btn-manage {
    background: var(--bg-elevated) !important;
    color: var(--ink-primary) !important;
    border: 1px solid var(--gold-soft) !important;
    border-radius: 10px !important;
    padding: 0.85rem 1.5rem !important;
    font-size: 0.95rem !important;
    font-weight: 500 !important;
    font-family: inherit;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}

.btn-manage:hover {
    background: var(--gold-faint) !important;
    color: var(--gold-bright) !important;
    border-color: var(--gold) !important;
}

.btn-manage:disabled {
    opacity: 0.5 !important;
    cursor: not-allowed !important;
}

/* ─── Upgrade buttons (پلاس / پرو) ─── */
.btn-upgrade {
    background: var(--gold) !important;
    color: #1a1a1a !important;
    border: none !important;
    border-radius: 10px !important;
    padding: 1rem 1.5rem !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    font-family: inherit;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    width: 100%;
    margin-top: 1rem;
}

.btn-upgrade:hover {
    background: var(--gold-bright) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(201, 169, 97, 0.3);
}

.btn-upgrade:disabled {
    opacity: 0.5 !important;
    cursor: not-allowed !important;
    transform: none !important;
}

.btn-upgrade.btn-pro {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-bright) 100%) !important;
}

/* ─── Topup buttons container — flex spacing ─── */
.topup-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: flex-start;
    margin-top: 1rem;
}