/* ==========================================================================
   Payment Section Styles
   Extracted from test_chat.html (lines 586-738)
   ========================================================================== */

/* ─── Payment Container ─── */
.payment-container {
    flex: 1; overflow-y: auto; padding: 24px;
    display: none; flex-direction: column; gap: 20px;
    align-items: center;
}
.payment-container.visible { display: flex; }
.payment-container::-webkit-scrollbar { width: 6px; }
.payment-container::-webkit-scrollbar-track { background: transparent; }
.payment-container::-webkit-scrollbar-thumb { background: #333; border-radius: 3px; }

/* ─── Payment Header ─── */
.payment-header {
    text-align: center; padding: 8px 0;
}
.payment-header h2 {
    font-size: 20px; font-weight: 700; margin-bottom: 4px;
}
.payment-header p {
    font-size: 13px; color: var(--text-secondary);
}

/* ─── Tariff Cards ─── */
#tariffCards {
    display: flex; flex-direction: column; gap: 20px;
    max-width: 600px; width: 100%;
}
.tariff-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 24px;
    width: 100%;
}
.tariff-card .tariff-name {
    font-size: 18px; font-weight: 700; margin-bottom: 4px;
    display: flex; align-items: center; gap: 8px;
}
.tariff-card .tariff-name .tariff-badge {
    font-size: 10px; font-weight: 600; padding: 2px 8px;
    border-radius: 10px; background: var(--accent); color: white;
    text-transform: uppercase;
}
.tariff-card .tariff-desc {
    font-size: 13px; color: var(--text-secondary); margin-bottom: 16px;
}
.tariff-plans {
    display: flex; flex-direction: column; gap: 8px;
}
.plan-row {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px; background: var(--bg-input);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.plan-row:hover { border-color: var(--accent); }
.plan-row .plan-info {
    display: flex; flex-direction: column; gap: 2px;
}
.plan-row .plan-period {
    font-size: 14px; font-weight: 600;
}
.plan-row .plan-days {
    font-size: 11px; color: var(--text-muted);
}
.plan-row .plan-price {
    font-size: 16px; font-weight: 700; color: var(--accent);
}
.plan-row .plan-pay-btn {
    background: var(--accent); color: white; border: none;
    padding: 8px 20px; border-radius: var(--radius-xs);
    font-size: 13px; font-weight: 600; font-family: inherit;
    cursor: pointer; transition: all var(--transition);
    margin-left: 12px;
}
.plan-row .plan-pay-btn:hover {
    background: var(--accent-hover); transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(232,86,42,0.3);
}
.plan-row .plan-pay-btn:active { transform: translateY(0); }
.plan-row .plan-pay-btn:disabled {
    background: #333; color: #555; cursor: not-allowed; transform: none; box-shadow: none;
}

/* ─── Payment Modal Overlay ─── */
.payment-modal-overlay {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7); z-index: 3000;
    align-items: center; justify-content: center;
}
.payment-modal-overlay.visible { display: flex; }
.payment-modal {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 16px; padding: 36px 32px;
    width: 100%; max-width: 420px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5);
    text-align: center;
}
.payment-modal .pm-icon {
    font-size: 48px; margin-bottom: 16px;
}
.payment-modal h3 {
    font-size: 18px; font-weight: 700; margin-bottom: 8px;
}
.payment-modal p {
    font-size: 13px; color: var(--text-secondary); line-height: 1.5;
}
.payment-modal .pm-spinner {
    width: 40px; height: 40px; margin: 20px auto;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: pmSpin 0.8s linear infinite;
}
@keyframes pmSpin { to { transform: rotate(360deg); } }

.payment-modal .pm-btn {
    background: var(--accent); color: white; border: none;
    padding: 12px 32px; border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 600; font-family: inherit;
    cursor: pointer; transition: all var(--transition);
    margin-top: 16px;
}
.payment-modal .pm-btn:hover {
    background: var(--accent-hover); transform: translateY(-1px);
}
.payment-modal .pm-btn.secondary {
    background: var(--bg-input); color: var(--text-secondary);
    border: 1px solid var(--border);
}
.payment-modal .pm-btn.secondary:hover {
    border-color: var(--text-secondary); color: var(--text-primary);
}

.payment-modal .pm-key {
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius-xs); padding: 12px;
    font-size: 11px; word-break: break-all; margin: 12px 0;
    color: var(--green); font-family: monospace; line-height: 1.4;
    text-align: left; max-height: 120px; overflow-y: auto;
}

.payment-modal .pm-details {
    text-align: left; margin: 12px 0;
    background: var(--bg-input); border-radius: var(--radius-xs);
    padding: 12px 16px;
}
.payment-modal .pm-details .pm-row {
    display: flex; justify-content: space-between;
    padding: 4px 0; font-size: 13px;
}
.payment-modal .pm-details .pm-row .pm-label {
    color: var(--text-secondary);
}
.payment-modal .pm-details .pm-row .pm-value {
    font-weight: 600;
}