.payment-page {
    max-width: 1100px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
    animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Header ── */
.payment-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    padding: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-blue);
}

.payment-header-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-blue), #005A9E);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 24px;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(0,112,192,0.3);
}

.payment-header-text h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 4px;
    letter-spacing: -0.3px;
}

.payment-header-text p {
    font-size: 14px;
    color: var(--color-mid-grey);
}

/* ── Layout grid ── */
.payment-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: var(--space-xl);
    align-items: start;
}

/* ── Steps ── */
.payment-steps {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-xl);
    box-shadow: var(--shadow-sm);
}

.pay-step {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-mid-grey);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

    .pay-step.active {
        color: var(--color-black);
    }

    .pay-step.done {
        color: var(--color-success);
    }

.pay-step-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.pay-step.active .pay-step-dot {
    background: var(--color-blue);
    border-color: var(--color-blue);
    color: var(--color-white);
    box-shadow: 0 0 0 4px var(--color-blue-light);
}

.pay-step.done .pay-step-dot {
    background: var(--color-success);
    border-color: var(--color-success);
    color: var(--color-white);
}

.pay-step-line {
    flex: 1;
    height: 2px;
    background: var(--color-border);
    margin: 0 var(--space-sm);
    border-radius: 1px;
}

    .pay-step-line.done {
        background: var(--color-success);
    }

/* ── Main card ── */
.payment-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.payment-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    background: var(--color-light-grey);
    border-bottom: 1px solid var(--color-border);
}

    .payment-card-header i {
        font-size: 20px;
        color: var(--color-blue);
    }

    .payment-card-header h2 {
        font-size: 16px;
        font-weight: 700;
        color: var(--color-black);
        letter-spacing: 0.3px;
    }

    .payment-card-header p {
        font-size: 13px;
        color: var(--color-mid-grey);
        margin-top: 2px;
    }

.payment-card-body {
    padding: var(--space-xl);
}

/* ── Trust badges ── */
.trust-badges {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: #F0FDF4;
    border: 1px solid #BBF7D0;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    color: #065F46;
}

    .trust-badge i {
        font-size: 13px;
    }

/* ── Stripe element wrapper ── */
.stripe-field-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-charcoal);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-sm);
}

.stripe-card-wrapper {
    background: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px 18px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
}

    .stripe-card-wrapper:focus-within {
        border-color: var(--color-blue);
        box-shadow: 0 0 0 4px var(--color-blue-light);
    }

#stripe-card-element {
    min-height: 24px;
}

/* ── Payment error ── */
.payment-error-box {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: #FEF2F2;
    border: 1px solid #FECACA;
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
    animation: fadeInUp 0.2s ease;
}

    .payment-error-box i {
        font-size: 18px;
        color: var(--color-error);
        flex-shrink: 0;
        margin-top: 1px;
    }

    .payment-error-box span {
        font-size: 14px;
        color: #991B1B;
        font-weight: 500;
    }

/* ── Error state ── */
.payment-error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-2xl) var(--space-xl);
    gap: var(--space-md);
}

    .payment-error-state i {
        font-size: 48px;
        color: var(--color-error);
    }

    .payment-error-state h2 {
        font-size: 20px;
        font-weight: 700;
        color: var(--color-black);
    }

    .payment-error-state p {
        font-size: 14px;
        color: var(--color-mid-grey);
        max-width: 360px;
    }

/* ── Sidebar ── */
.payment-sidebar-sticky {
    position: sticky;
    top: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.payment-summary-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.summary-card-head {
    padding: var(--space-lg) var(--space-xl);
    background: var(--color-black);
    color: var(--color-white);
}

    .summary-card-head h3 {
        font-size: 16px;
        font-weight: 700;
        letter-spacing: 0.3px;
    }

    .summary-card-head p {
        font-size: 12px;
        opacity: 0.6;
        margin-top: 2px;
    }

.summary-card-body {
    padding: var(--space-lg) var(--space-xl);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    font-size: 14px;
}

    .summary-row + .summary-row {
        border-top: 1px solid var(--color-light-grey);
    }

.summary-label {
    color: var(--color-mid-grey);
    font-weight: 500;
}

.summary-value {
    font-weight: 600;
    color: var(--color-charcoal);
}

    .summary-value.amount {
        font-size: 20px;
        font-weight: 700;
        color: var(--color-blue);
    }

.summary-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--color-blue-light);
    color: var(--color-blue);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* ── Pay button ── */
.pay-btn {
    width: 100%;
    padding: 18px;
    font-size: 16px;
    font-weight: 700;
    background: var(--color-black);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
}

    .pay-btn::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.05) 100%);
    }

    .pay-btn:not(:disabled):hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
    }

    .pay-btn:not(:disabled):active {
        transform: translateY(0);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }

    .pay-btn:disabled {
        opacity: 0.6;
        cursor: not-allowed;
    }

    .pay-btn i {
        font-size: 18px;
    }

    /* ── Processing state ── */
    .pay-btn .btn-spinner {
        width: 18px;
        height: 18px;
        border: 2px solid rgba(255,255,255,0.3);
        border-top-color: white;
        border-radius: 50%;
        animation: spin 0.8s linear infinite;
        flex-shrink: 0;
    }

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ── Security line ── */
.security-line {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 12px;
    color: var(--color-mid-grey);
    padding: var(--space-md) 0 0;
}

    .security-line i {
        font-size: 13px;
        color: var(--color-success);
    }

/* ── Stripe logo ── */
.stripe-powered {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: var(--space-md) var(--space-xl);
    border-top: 1px solid var(--color-light-grey);
    font-size: 12px;
    color: var(--color-mid-grey);
}

/* ── Help card ── */
.payment-help-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

    .payment-help-card h4 {
        font-size: 13px;
        font-weight: 700;
        color: var(--color-charcoal);
        margin-bottom: var(--space-sm);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    .payment-help-card p {
        font-size: 13px;
        color: var(--color-mid-grey);
        line-height: 1.5;
    }

/* ── Responsive ── */
@media (max-width: 768px) {
    .payment-grid {
        grid-template-columns: 1fr;
    }

    .payment-sidebar-sticky {
        position: static;
        order: -1;
    }

    .payment-page {
        padding: var(--space-md);
    }

    .trust-badges {
        gap: var(--space-sm);
    }
}

/* ── Success state ── */
.payment-success-card {
    border-top: 4px solid var(--color-success);
}

.payment-success-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-2xl) var(--space-xl);
    gap: var(--space-lg);
    animation: fadeInUp 0.5s ease;
}

.success-icon-ring {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    background: linear-gradient(135deg, #D1FAE5, #A7F3D0);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 12px rgba(16, 185, 129, 0.1);
    animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
    from {
        transform: scale(0.5);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.success-icon-ring i {
    font-size: 44px;
    color: var(--color-success);
}

.payment-success-body h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-black);
    letter-spacing: -0.3px;
}

.payment-success-body > p {
    font-size: 15px;
    color: var(--color-mid-grey);
    max-width: 400px;
    line-height: 1.6;
}

.success-ref {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px 20px;
    background: var(--color-light-grey);
    border-radius: var(--radius-full);
    font-size: 14px;
}

    .success-ref span {
        color: var(--color-mid-grey);
    }

    .success-ref strong {
        color: var(--color-black);
        font-size: 15px;
    }

.success-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
}

    .success-actions .btn {
        display: flex;
        align-items: center;
        gap: var(--space-sm);
    }