/* ============================================
   CHECKOUT PAGE STYLES
   ============================================ */

.checkout-main {
    padding-top: clamp(100px, 12vw, 120px);
    min-height: 100vh;
    background-color: var(--primary-white);
    padding-bottom: clamp(60px, 8vw, 100px);
}

.checkout-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 60px);
}

.checkout-layout {
    display: grid;
    grid-template-columns: 1fr clamp(350px, 30vw, 400px);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
}

@media screen and (max-width: 900px) {
    .checkout-layout {
        grid-template-columns: 1fr;
        gap: clamp(28px, 3.5vw, 40px);
    }
    
    .checkout-container {
        padding: 0 clamp(16px, 2.5vw, 32px);
    }
    
    .checkout-form-section {
        padding: clamp(20px, 2.5vw, 32px);
    }
    
    .checkout-summary-section {
        order: -1;
    }
}

@media screen and (max-width: 600px) {
    .checkout-main {
        padding-top: clamp(80px, 10vw, 100px);
        padding-bottom: clamp(40px, 5vw, 60px);
    }
    
    .checkout-container {
        padding: 0 clamp(12px, 2vw, 20px);
    }
    
    .checkout-form-section {
        padding: clamp(16px, 2vw, 24px);
    }
    
    .checkout-form-title {
        font-size: clamp(16px, 2vw, 22px);
        margin-bottom: clamp(16px, 2vw, 24px);
    }
    
    .checkout-form-label {
        font-size: clamp(11px, 1.4vw, 13px);
    }
    
    .checkout-form-input {
        font-size: clamp(13px, 1.6vw, 15px);
        padding: clamp(10px, 1.3vw, 14px);
    }
    
    .checkout-button {
        font-size: clamp(12px, 1.5vw, 14px);
        padding: clamp(12px, 1.6vw, 16px);
    }
}

@media screen and (max-width: 400px) {
    .checkout-main {
        padding-top: clamp(70px, 9vw, 90px);
    }
    
    .checkout-container {
        padding: 0 clamp(10px, 1.5vw, 16px);
    }
    
    .checkout-form-section {
        padding: clamp(12px, 1.5vw, 20px);
    }
    
    .checkout-form-title {
        font-size: clamp(14px, 1.8vw, 20px);
    }
    
    .checkout-form-input {
        font-size: clamp(12px, 1.5vw, 14px);
        padding: clamp(8px, 1.2vw, 12px);
    }
}

/* ============================================
   CHECKOUT FORM SECTION
   ============================================ */

.checkout-form-section {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--border-radius-md);
    padding: clamp(28px, 3.5vw, 40px);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.08),
        0 2px 8px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    transition: all var(--transition-medium);
}

.checkout-form-section:hover {
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.12),
        0 4px 12px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

.checkout-form-title {
    font-family: var(--font-mono);
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 600;
    color: var(--primary-black);
    margin: 0 0 clamp(24px, 3vw, 32px) 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.checkout-form-group {
    margin-bottom: clamp(20px, 2.5vw, 28px);
}

.checkout-form-label {
    display: block;
    margin-bottom: clamp(8px, 1vw, 12px);
    font-family: var(--font-primary);
    font-size: clamp(12px, 1.5vw, 14px);
    font-weight: 500;
    color: var(--primary-black);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.checkout-form-input,
.checkout-form-input select {
    width: 100%;
    padding: clamp(12px, 1.5vw, 16px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-primary);
    font-size: clamp(14px, 1.8vw, 16px);
    color: var(--primary-black);
    background: rgba(255, 255, 255, 0.9);
    transition: all var(--transition-fast);
    box-sizing: border-box;
}

.checkout-form-input:focus {
    outline: none;
    border-color: var(--primary-black);
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.checkout-form-input::placeholder {
    color: rgba(0, 0, 0, 0.4);
}

.checkout-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(16px, 2vw, 20px);
}

@media screen and (max-width: 600px) {
    .checkout-form-row {
        grid-template-columns: 1fr;
    }
}

/* Stripe Card Element */
#card-element {
    padding: clamp(12px, 1.5vw, 16px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-sm);
    background: rgba(255, 255, 255, 0.9);
    transition: all var(--transition-fast);
}

#card-element:focus,
#card-element.StripeElement--focus {
    border-color: var(--primary-black);
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

#card-errors {
    color: #dc3545;
    font-family: var(--font-primary);
    font-size: clamp(12px, 1.5vw, 14px);
    margin-top: clamp(8px, 1vw, 12px);
    min-height: 20px;
}

/* ============================================
   CHECKOUT SUMMARY
   ============================================ */

.checkout-summary {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--border-radius-md);
    padding: clamp(28px, 3.5vw, 40px);
    position: sticky;
    top: clamp(100px, 12vw, 120px);
    height: fit-content;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.08),
        0 2px 8px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

@media screen and (max-width: 900px) {
    .checkout-summary {
        position: static;
    }
}

.checkout-summary-title {
    font-family: var(--font-mono);
    font-size: clamp(18px, 2.2vw, 24px);
    font-weight: 600;
    color: var(--primary-black);
    margin: 0 0 clamp(20px, 2.5vw, 28px) 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding-bottom: clamp(12px, 1.5vw, 16px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.checkout-summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(10px, 1.2vw, 14px) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    font-family: var(--font-primary);
}

.checkout-summary-item:last-child {
    border-bottom: none;
}

.checkout-summary-label {
    font-size: clamp(13px, 1.6vw, 15px);
    color: rgba(0, 0, 0, 0.6);
    font-weight: 400;
}

.checkout-summary-value {
    font-size: clamp(14px, 1.8vw, 16px);
    font-weight: 500;
    color: var(--primary-black);
}

.checkout-summary-total {
    margin-top: clamp(16px, 2vw, 24px);
    padding-top: clamp(16px, 2vw, 24px);
    border-top: 2px solid var(--primary-black);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: clamp(18px, 2.2vw, 22px);
    font-weight: 600;
    color: var(--primary-black);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.checkout-summary-total .checkout-summary-label {
    color: var(--primary-black);
    font-weight: 600;
}

/* Discount styling */
.checkout-summary-item.discount {
    color: #4CAF50;
}

.checkout-summary-item.discount .checkout-summary-label,
.checkout-summary-item.discount .checkout-summary-value {
    color: #4CAF50;
    font-weight: 500;
}

/* ============================================
   CHECKOUT BUTTON
   ============================================ */

.checkout-button {
    width: 100%;
    padding: clamp(14px, 1.8vw, 18px);
    background: var(--primary-black);
    color: var(--primary-white);
    border: none;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-mono);
    font-size: clamp(13px, 1.6vw, 15px);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    margin-top: clamp(20px, 2.5vw, 28px);
    transition: all var(--transition-medium);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.15),
        0 2px 4px rgba(0, 0, 0, 0.1);
}

.checkout-button:hover:not(:disabled) {
    background: rgba(0, 0, 0, 0.85);
    transform: translateY(-2px);
    box-shadow: 
        0 6px 16px rgba(0, 0, 0, 0.2),
        0 3px 6px rgba(0, 0, 0, 0.15);
}

.checkout-button:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.15),
        0 1px 2px rgba(0, 0, 0, 0.1);
}

.checkout-button:disabled {
    background: rgba(0, 0, 0, 0.3);
    cursor: not-allowed;
    opacity: 0.6;
    transform: none;
}

/* ============================================
   CHECKOUT STATES
   ============================================ */

.checkout-loading {
    text-align: center;
    padding: clamp(60px, 8vw, 100px);
    font-family: var(--font-primary);
    color: rgba(0, 0, 0, 0.6);
}

.checkout-error {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    padding: clamp(14px, 1.8vw, 18px);
    border-radius: var(--border-radius-sm);
    margin-bottom: clamp(20px, 2.5vw, 28px);
    font-family: var(--font-primary);
    font-size: clamp(13px, 1.6vw, 15px);
    border: 1px solid rgba(220, 53, 69, 0.2);
}

/* ============================================
   COUPON SECTION
   ============================================ */

.checkout-coupon-section {
    margin: clamp(16px, 2vw, 24px) 0;
    padding: clamp(16px, 2vw, 20px);
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--border-radius-sm);
}

.checkout-coupon-input-wrapper {
    display: flex;
    gap: clamp(10px, 1.2vw, 12px);
    margin-bottom: clamp(8px, 1vw, 12px);
}

.checkout-coupon-input {
    flex: 1;
    padding: clamp(10px, 1.2vw, 12px);
    font-size: clamp(13px, 1.6vw, 15px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-primary);
    background: rgba(255, 255, 255, 0.9);
    transition: all var(--transition-fast);
}

.checkout-coupon-input:focus {
    outline: none;
    border-color: var(--primary-black);
    background: rgba(255, 255, 255, 1);
}

.checkout-coupon-button {
    padding: clamp(10px, 1.2vw, 12px) clamp(16px, 2vw, 20px);
    margin: 0;
    font-size: clamp(12px, 1.5vw, 14px);
    width: auto;
    font-family: var(--font-mono);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--primary-black);
    color: var(--primary-white);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.checkout-coupon-button:hover:not(:disabled) {
    background: rgba(0, 0, 0, 0.85);
}

.checkout-coupon-button:disabled {
    background: rgba(0, 0, 0, 0.3);
    cursor: not-allowed;
    opacity: 0.6;
}

.checkout-coupon-message {
    font-family: var(--font-primary);
    font-size: clamp(12px, 1.5vw, 14px);
    min-height: 16px;
    margin-top: clamp(6px, 0.8vw, 8px);
}

.checkout-coupon-message.success {
    color: #4CAF50;
}

.checkout-coupon-message.error {
    color: #dc3545;
}

.checkout-coupon-discount {
    display: none;
    margin-top: clamp(10px, 1.2vw, 14px);
    padding-top: clamp(10px, 1.2vw, 14px);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.checkout-coupon-discount.show {
    display: block;
}

.checkout-remove-coupon {
    background: none;
    border: none;
    color: #dc3545;
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: clamp(11px, 1.4vw, 13px);
    padding: clamp(4px, 0.5vw, 6px) 0;
    text-decoration: underline;
    transition: color var(--transition-fast);
}

.checkout-remove-coupon:hover {
    color: #b02a37;
}

/* ============================================
   CHECKOUT CONTENT
   ============================================ */

#checkoutContent {
    animation: fadeIn 0.4s ease;
}

#checkoutContent[style*="display: none"] {
    display: none !important;
}

#checkoutError[style*="display: none"] {
    display: none !important;
}

#stateProvinceGroup[style*="display: none"] {
    display: none !important;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}