/* ============================================
   OYTA Checkout — Clean Hosting Checkout Style
   ============================================ */

:root {
    --primary: #6C3BF5;
    --primary-hover: #5A2DE0;
    --primary-light: #F3EFFE;
    --text: #1A1A2E;
    --text-muted: #6B7280;
    --bg: #F8F9FB;
    --white: #FFFFFF;
    --border: #E5E7EB;
    --border-focus: #6C3BF5;
    --success: #10B981;
    --error: #EF4444;
    --radius: 10px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-mark {
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
}

.logo-text {
    font-weight: 700;
    font-size: 20px;
    color: var(--text);
    letter-spacing: -0.5px;
}

.secure-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--success);
    font-size: 13px;
    font-weight: 500;
}

/* Checkout Layout */
.checkout-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 40px;
    padding-top: 40px;
    padding-bottom: 60px;
    flex: 1;
}

.checkout-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 28px;
    letter-spacing: -0.3px;
}

/* Form Sections */
.form-section {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}

.form-section-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: inherit;
    color: var(--text);
    background: var(--white);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group input::placeholder {
    color: #C0C5CE;
}

.form-group input.error {
    border-color: var(--error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.expiry-row {
    gap: 10px;
}

.expiry-row select {
    padding: 12px 10px;
}

/* Card Input */
.card-input-wrapper {
    position: relative;
}

.card-input-wrapper input {
    padding-right: 60px;
}

.card-brand {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Checkbox */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

/* Pay Button */
.btn-pay {
    width: 100%;
    padding: 16px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    margin-top: 8px;
}

.btn-pay:hover {
    background: var(--primary-hover);
}

.btn-pay:active {
    transform: scale(0.995);
}

.btn-pay:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.spinner {
    animation: spin 1s linear infinite;
}

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

/* Order Summary */
.order-summary {
    align-self: start;
    position: sticky;
    top: 24px;
}

.summary-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
}

.summary-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 24px;
}

.product-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 0;
}

.product-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.product-info h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 2px;
}

.product-info p {
    font-size: 13px;
    color: var(--text-muted);
}

.product-price {
    font-size: 16px;
    font-weight: 700;
    margin-left: auto;
    white-space: nowrap;
}

.summary-divider {
    height: 1px;
    background: var(--border);
    margin: 16px 0;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.summary-total {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0;
}

/* Trust Badges */
.trust-badges {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

.trust-item svg {
    color: var(--success);
    flex-shrink: 0;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    max-width: 420px;
    width: 90%;
    box-shadow: var(--shadow-lg);
}

.result-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
}

.result-icon.success {
    background: #ECFDF5;
    color: var(--success);
}

.result-icon.error {
    background: #FEF2F2;
    color: var(--error);
}

.modal-content h2 {
    font-size: 20px;
    margin-bottom: 8px;
}

.modal-content p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 24px;
}

.btn-modal {
    padding: 12px 32px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-modal:hover {
    background: var(--primary-hover);
}

/* Footer */
.footer {
    background: var(--white);
    border-top: 1px solid var(--border);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .checkout-layout {
        grid-template-columns: 1fr;
        gap: 24px;
        padding-top: 24px;
    }

    .order-summary {
        order: -1;
        position: static;
    }

    .summary-card {
        padding: 20px;
    }

    .form-section {
        padding: 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .expiry-row {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
}