/* ========================================
   PAYMENT PAGE - CSS Variables
======================================== */
:root {
    --payment-primary-orange: #ff7a00;
    --payment-orange-light: #ff9533;
    --payment-orange-dark: #e66a00;
    --payment-white: #ffffff;
    --payment-cream: #f5e7da;
    --payment-dark: #0d0d0d;
    --payment-dark-light: #1a1a1a;
    --payment-dark-medium: #222222;
    --payment-dark-card: #181818;
    --payment-silver: #e5e7eb;
    --payment-silver-light: #f3f4f6;
    --payment-silver-dark: #d1d5db;
    --payment-black: #000000;

    /* Gradients */
    --payment-gradient-primary: linear-gradient(135deg, #ff7a00, #ff9533);
    --payment-gradient-secondary: linear-gradient(135deg, #1a1a1a, #2d2d2d);
    --payment-gradient-glass: linear-gradient(135deg, rgba(255, 122, 0, 0.08), rgba(255, 149, 51, 0.04));
    --payment-gradient-overlay: linear-gradient(135deg, rgba(13, 13, 13, 0.9), rgba(26, 26, 26, 0.8));
    --payment-gradient-card: linear-gradient(145deg, rgba(24, 24, 24, 0.95), rgba(34, 34, 34, 0.85));

    /* Shadows */
    --payment-shadow-glow: 0 0 50px rgba(255, 122, 0, 0.35);
    --payment-shadow-card: 0 20px 60px rgba(0, 0, 0, 0.4);
    --payment-shadow-hover: 0 30px 80px rgba(255, 122, 0, 0.3);
    --payment-shadow-primary: 0 25px 80px rgba(255, 122, 0, 0.35);
    --payment-shadow-secondary: 0 15px 50px rgba(0, 0, 0, 0.6);

    /* Transitions */
    --payment-transition-smooth: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --payment-transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Border Radius */
    --payment-radius-sm: 8px;
    --payment-radius-md: 16px;
    --payment-radius-lg: 24px;
    --payment-radius-xl: 32px;

    /* Blur Effects */
    --payment-blur-glass: blur(25px);
}

/* ========================================
   MAIN SECTION
======================================== */
.payment-section {
    padding: 80px 20px;
    background: var(--payment-gradient-overlay);
    min-height: 100vh;
    position: relative;
}

.payment-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 40%, rgba(255, 122, 0, 0.06) 0%, transparent 60%),
                radial-gradient(circle at 70% 70%, rgba(255, 149, 51, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

.payment-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ========================================
   PAGE TITLE
======================================== */
.payment-page-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 900;
    margin-bottom: 50px;
    background: var(--payment-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1.5px;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
}

.payment-page-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 120px;
    height: 5px;
    background: var(--payment-gradient-primary);
    border-radius: 3px;
    box-shadow: var(--payment-shadow-glow);
}

/* ========================================
   LAYOUT
======================================== */
.payment-layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 40px;
    align-items: start;
}

/* ========================================
   ORDER SUMMARY - LEFT COLUMN
======================================== */
.payment-car-summary {
    position: sticky;
    top: 30px;
    height: fit-content;
}

.payment-car-card {
    background: var(--payment-gradient-card);
    border-radius: var(--payment-radius-lg);
    padding: 35px;
    box-shadow: var(--payment-shadow-card);
    border: 1px solid rgba(255, 122, 0, 0.15);
    backdrop-filter: var(--payment-blur-glass);
    transition: var(--payment-transition-smooth);
    position: relative;
    overflow: hidden;
}

.payment-car-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--payment-gradient-primary);
    box-shadow: var(--payment-shadow-glow);
}

.payment-car-card::after {
    content: '💳';
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 40px;
    opacity: 0.1;
}

.payment-car-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--payment-shadow-hover);
}

.payment-car-card h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 25px;
    color: var(--payment-white);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
    z-index: 1;
}

.payment-car-card h3::before {
    content: '📋';
    font-size: 28px;
}

.payment-car-card p {
    font-size: 15px;
    color: var(--payment-silver);
    margin-bottom: 18px;
    line-height: 1.7;
    padding-left: 25px;
    position: relative;
    transition: var(--payment-transition-smooth);
}

.payment-car-card p::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--payment-primary-orange);
    font-size: 14px;
    font-weight: 900;
}

.payment-car-card p:hover {
    color: var(--payment-white);
    padding-left: 30px;
}

.payment-car-card p strong {
    color: var(--payment-white);
    font-weight: 700;
    display: inline-block;
    min-width: 160px;
}

/* ========================================
   FORM CONTAINER - RIGHT COLUMN
======================================== */
.payment-form-container {
    background: var(--payment-gradient-card);
    border-radius: var(--payment-radius-lg);
    padding: 45px;
    box-shadow: var(--payment-shadow-card);
    border: 1px solid rgba(255, 122, 0, 0.15);
    backdrop-filter: var(--payment-blur-glass);
    position: relative;
}

.payment-form-container::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--payment-gradient-primary);
    border-radius: var(--payment-radius-lg);
    opacity: 0;
    z-index: -1;
    transition: var(--payment-transition-smooth);
}

.payment-form-container:hover::before {
    opacity: 0.1;
}

/* ========================================
   SECTION BLOCKS
======================================== */
.payment-section-block {
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 2px solid rgba(255, 122, 0, 0.1);
    position: relative;
}

.payment-section-block:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.payment-section-block::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100px;
    height: 2px;
    background: var(--payment-gradient-primary);
    border-radius: 2px;
}

.payment-section-block h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 25px;
    color: var(--payment-white);
    display: flex;
    align-items: center;
    gap: 12px;
}

.payment-section-block h3::before {
    content: '🔐';
    font-size: 26px;
}

/* ========================================
   PAYMENT METHODS
======================================== */
.payment-payment-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.payment-payment-option input[type="radio"] {
    display: none;
}

.payment-option-card {
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--payment-radius-md);
    padding: 30px 20px;
    cursor: pointer;
    transition: var(--payment-transition-smooth);
    background: rgba(26, 26, 26, 0.5);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    text-align: center;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.payment-option-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--payment-gradient-glass);
    transition: var(--payment-transition-smooth);
}

.payment-payment-option input[type="radio"]:checked + .payment-option-card {
    border-color: var(--payment-primary-orange);
    background: linear-gradient(145deg, rgba(255, 122, 0, 0.2), rgba(255, 149, 51, 0.15));
    box-shadow: var(--payment-shadow-primary);
    transform: translateY(-5px) scale(1.02);
}

.payment-payment-option input[type="radio"]:checked + .payment-option-card::before {
    left: 0;
}

.payment-payment-option input[type="radio"]:checked + .payment-option-card::after {
    content: '✓';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    background: var(--payment-gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--payment-white);
    font-size: 16px;
    font-weight: 900;
    box-shadow: var(--payment-shadow-glow);
    animation: payment-checkmark 0.4s ease-out;
}

@keyframes payment-checkmark {
    0% {
        transform: scale(0) rotate(-180deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.2) rotate(10deg);
    }
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

.payment-option-card:hover {
    border-color: var(--payment-orange-light);
    transform: translateY(-3px);
    box-shadow: var(--payment-shadow-hover);
}

.payment-option-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--payment-white);
    position: relative;
    z-index: 1;
    margin-bottom: 10px;
}

.payment-option-card h4::before {
    content: '';
    display: block;
    width: 50px;
    height: 50px;
    margin: 0 auto 15px;
    background: var(--payment-gradient-primary);
    border-radius: 50%;
    box-shadow: var(--payment-shadow-glow);
}

.payment-payment-option:nth-child(1) .payment-option-card h4::before {
    content: '💵';
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    background: linear-gradient(135deg, #10b981, #059669);
}

.payment-payment-option:nth-child(2) .payment-option-card h4::before {
    content: '🏦';
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.payment-payment-option:nth-child(3) .payment-option-card h4::before {
    content: '💳';
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    background: var(--payment-gradient-primary);
}

/* ========================================
   FORM ELEMENTS
======================================== */
.payment-form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.payment-form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 25px;
}

.payment-form-group label {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--payment-white);
    display: flex;
    align-items: center;
    gap: 8px;
}

.payment-form-group label::before {
    content: '▸';
    color: var(--payment-primary-orange);
    font-size: 14px;
}

.payment-form-input,
.payment-form-select,
.payment-form-textarea {
    padding: 16px 20px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--payment-radius-sm);
    font-size: 15px;
    transition: var(--payment-transition-smooth);
    background: rgba(26, 26, 26, 0.6);
    color: var(--payment-white);
    font-weight: 500;
}

.payment-form-input::placeholder,
.payment-form-textarea::placeholder {
    color: var(--payment-silver-dark);
}

.payment-form-input:focus,
.payment-form-select:focus,
.payment-form-textarea:focus {
    outline: none;
    border-color: var(--payment-primary-orange);
    background: rgba(255, 122, 0, 0.08);
    box-shadow: 0 0 0 4px rgba(255, 122, 0, 0.1);
    transform: translateY(-2px);
}

.payment-form-input[readonly] {
    background: rgba(16, 185, 129, 0.1);
    border-color: #10b981;
    color: #10b981;
    font-weight: 700;
    cursor: not-allowed;
}

.payment-form-input[type="file"] {
    padding: 12px;
    cursor: pointer;
}

.payment-form-input[type="file"]::file-selector-button {
    background: var(--payment-gradient-primary);
    color: var(--payment-white);
    border: none;
    padding: 10px 20px;
    border-radius: var(--payment-radius-sm);
    font-weight: 700;
    cursor: pointer;
    margin-right: 15px;
    transition: var(--payment-transition-smooth);
}

.payment-form-input[type="file"]::file-selector-button:hover {
    transform: scale(1.05);
    box-shadow: var(--payment-shadow-glow);
}

/* ========================================
   SUBMIT BUTTON
======================================== */
.payment-submit-btn {
    width: 100%;
    background: var(--payment-gradient-primary);
    color: var(--payment-white);
    border: none;
    padding: 22px;
    border-radius: var(--payment-radius-md);
    font-size: 20px;
    font-weight: 900;
    cursor: pointer;
    transition: var(--payment-transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    box-shadow: var(--payment-shadow-primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
    overflow: hidden;
    margin-top: 40px;
}

.payment-submit-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.payment-submit-btn:hover::before {
    width: 500px;
    height: 500px;
}

.payment-submit-btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--payment-shadow-hover);
}

.payment-submit-btn:active {
    transform: translateY(-2px);
}

.payment-submit-btn i {
    font-size: 22px;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.5));
}

.payment-submit-btn span {
    position: relative;
    z-index: 1;
}

/* ========================================
   CONDITIONAL FIELD SECTIONS
======================================== */
#bankTransferFields,
#cardFields {
    animation: payment-fade-in 0.5s ease-out;
}

@keyframes payment-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   RESPONSIVE DESIGN
======================================== */
@media (max-width: 1024px) {
    .payment-layout {
        grid-template-columns: 1fr;
    }
    
    .payment-car-summary {
        position: static;
    }
    
    .payment-payment-methods {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .payment-section {
        padding: 50px 15px;
    }
    
    .payment-container {
        padding: 0;
    }
    
    .payment-page-title {
        font-size: 32px;
        margin-bottom: 35px;
    }
    
    .payment-car-card,
    .payment-form-container {
        padding: 25px;
    }
    
    .payment-form-grid {
        grid-template-columns: 1fr;
    }
    
    .payment-section-block h3 {
        font-size: 20px;
    }
    
    .payment-submit-btn {
        font-size: 18px;
        padding: 18px;
    }
}

@media (max-width: 480px) {
    .payment-section {
        padding: 40px 10px;
    }
    
    .payment-page-title {
        font-size: 28px;
    }
    
    .payment-car-card,
    .payment-form-container {
        padding: 20px;
        border-radius: var(--payment-radius-md);
    }
    
    .payment-section-block {
        margin-bottom: 30px;
        padding-bottom: 30px;
    }
    
    .payment-car-card h3 {
        font-size: 20px;
    }
    
    .payment-car-card p {
        font-size: 14px;
    }
    
    .payment-option-card {
        padding: 25px 15px;
        min-height: 100px;
    }
    
    .payment-option-card h4 {
        font-size: 16px;
    }
    
    .payment-option-card h4::before {
        width: 45px;
        height: 45px;
        font-size: 22px;
        margin-bottom: 12px;
    }
    
    .payment-form-group {
        margin-bottom: 20px;
    }
    
    .payment-submit-btn {
        font-size: 16px;
        padding: 16px;
        gap: 10px;
    }
}

/* ========================================
   UTILITY CLASSES
======================================== */
.payment-hidden {
    display: none !important;
}

.payment-visible {
    display: block !important;
}

/* ========================================
   LOADING STATE
======================================== */
.payment-submit-btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.payment-submit-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--payment-white);
    border-radius: 50%;
    animation: payment-spin 0.8s linear infinite;
}

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