/* ============================================
   PRELOADER STYLES
   ============================================ */

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

.preloader--hidden {
    opacity: 0;
    pointer-events: none;
}

.preloader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s ease-in-out infinite;
}

.logo-image {
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-image svg,
.logo-image .logo-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 4px 12px rgba(37, 99, 235, 0.3));
}

.logo-image .logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(37, 99, 235, 0.3));
}

.preloader-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

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

/* Dark theme preloader */
[data-theme="dark"] .preloader,
body.dark-theme-active .preloader {
    background: var(--bg-primary);
}

/* ============================================
   MAIN CONTENT
   ============================================ */

body {
    position: relative;
    overflow-x: hidden;
}

@media (max-width: 768px) {
    body::before,
    body::after {
        display: none;
    }
}

body::before {
    content: '';
    position: fixed;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    animation: float 20s ease-in-out infinite;
}

body::after {
    content: '';
    position: fixed;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(30px, -30px) scale(1.1);
    }
}

.main-content {
    opacity: 0;
    transition: opacity 0.3s ease-in;
    position: relative;
    z-index: 1;
}

.main-content.is-ready {
    opacity: 1;
}

.main-content.is-preloading {
    opacity: 0;
}

.container {
    position: relative;
    z-index: 1;
}

/* ============================================
   PAYMENT METHOD HEADER
   ============================================ */

.payment-method-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    position: relative;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.payment-method-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

@media (max-width: 768px) {
    .payment-method-header {
        padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
        margin-bottom: var(--spacing-xl);
    }
}

.page-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin: 0;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }
    
    .page-subtitle {
        font-size: 1rem;
    }
}

/* ============================================
   PAYMENT METHODS
   ============================================ */

.payment-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.payment-method-card {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-slow);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.payment-method-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-slow);
    z-index: 1;
}

.payment-method-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

.payment-method-card:hover::before,
.payment-method-card:active::before {
    opacity: 1;
}

.payment-method-card:hover::after {
    opacity: 1;
}

.payment-method-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(37, 99, 235, 0.1);
    transform: translateY(-4px) scale(1.01);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.payment-method-card:active {
    transform: translateY(-2px) scale(1);
}

.payment-method-header-section {
    margin-bottom: var(--spacing-lg);
}

.payment-method-icons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.payment-icon-image {
    max-width: 220px;
    width: 100%;
    height: auto;
    max-height: 90px;
    object-fit: contain;
    border-radius: var(--radius);
    transition: all var(--transition-base);
    display: block;
}

.payment-icon-image:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.2));
}

.payment-icon {
    width: 56px;
    height: 56px;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color-light);
    overflow: hidden;
}

/* Visa icon specific styling */
.payment-icon.visa-icon {
    padding: 4px;
    background: transparent;
    border: none;
    box-shadow: none;
    width: 70px;
    height: auto;
    min-height: 42px;
    aspect-ratio: 100/32;
}

.payment-icon.visa-icon:hover {
    transform: scale(1.05);
    background: transparent;
    box-shadow: var(--shadow);
}

/* Mastercard icon specific styling */
.payment-icon.mastercard-icon {
    padding: 4px;
    background: transparent;
    border: none;
    box-shadow: none;
    width: 56px;
    height: auto;
    min-height: 56px;
    aspect-ratio: 100/62;
}

.payment-icon.mastercard-icon:hover {
    transform: scale(1.05);
    background: transparent;
    box-shadow: var(--shadow);
}

.payment-icon:hover {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.payment-icon svg {
    width: 100%;
    height: 100%;
    transition: all var(--transition-base);
}

.payment-method-card:hover .payment-icon {
    animation: iconFloat 2s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-4px);
    }
}

.payment-icon.apple-icon {
    color: #000000;
}

[data-theme="dark"] .payment-icon.apple-icon,
body.dark-theme-active .payment-icon.apple-icon {
    color: #ffffff;
}

.payment-icon.google-icon {
    width: 48px;
    height: 48px;
}

.payment-icon.iban-icon {
    color: var(--primary);
}

.payment-method-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.payment-method-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
    font-weight: 400;
}

.payment-method-button {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--primary-gradient);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    transition: all var(--transition-slow);
    box-shadow: var(--shadow-primary), 0 4px 14px 0 rgba(37, 99, 235, 0.39);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.01em;
    text-transform: none;
}

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

.payment-method-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.payment-method-button:hover::before {
    width: 400px;
    height: 400px;
}

.payment-method-button:hover::after {
    left: 100%;
}

.payment-method-button:hover {
    background: var(--primary-gradient-hover);
    box-shadow: var(--shadow-primary-hover), 0 6px 20px 0 rgba(37, 99, 235, 0.5);
    transform: translateY(-3px) scale(1.02);
}

.payment-method-button:active {
    transform: translateY(-1px) scale(1);
    box-shadow: var(--shadow-primary);
}

.payment-method-button.active {
    transform: scale(0.98);
}

.payment-method-button span {
    position: relative;
    z-index: 1;
}

.button-arrow {
    width: 24px;
    height: 24px;
    position: relative;
    z-index: 1;
    transition: transform var(--transition-slow);
    opacity: 0.9;
}

.payment-method-button:hover .button-arrow {
    transform: translateX(6px);
    opacity: 1;
}

.payment-method-button:active .button-arrow {
    transform: translateX(2px);
}

/* ============================================
   SECURITY BADGES
   ============================================ */

.security-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--border-color-light);
    position: relative;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.security-badges::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--primary-gradient);
    border-radius: 1px;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border-color-light);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.security-badge:hover {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
    color: var(--text-primary);
}

.badge-icon {
    width: 20px;
    height: 20px;
    color: var(--primary);
    transition: all var(--transition-base);
}

.security-badge:hover .badge-icon {
    transform: scale(1.1);
    color: var(--primary);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Additional mobile spacing improvements */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .payment-method-header {
        padding: var(--spacing-md) var(--spacing-sm) var(--spacing-sm);
        margin-bottom: var(--spacing-lg);
    }
    
    .page-title {
        font-size: 1.75rem;
        padding: 0 var(--spacing-sm);
    }
    
    .page-subtitle {
        font-size: 0.9375rem;
        padding: 0 var(--spacing-sm);
    }
    
    .payment-method-card {
        padding: var(--spacing-md);
    }
    
    .payment-method-title {
        font-size: 1.375rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .payment-method-card {
        padding: var(--spacing-lg);
        border-radius: var(--radius-lg);
        margin-bottom: var(--spacing-md);
    }
    
    .payment-method-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .payment-method-subtitle {
        font-size: 0.9375rem;
        line-height: 1.4;
    }
    
    .payment-icon-image {
        max-width: 180px;
        max-height: 70px;
    }
    
    .payment-method-button {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
        margin-top: var(--spacing-md);
    }
    
    .security-badges {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
        margin-top: var(--spacing-xl);
        padding-top: var(--spacing-lg);
        padding-bottom: var(--spacing-lg);
    }
    
    .security-badge {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .payment-methods {
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-xl);
    }
    
    .payment-method-header-section {
        margin-bottom: var(--spacing-md);
    }
    
    .payment-method-icons {
        margin-bottom: var(--spacing-md);
    }
}

/* ============================================
   DARK THEME ENHANCEMENTS
   ============================================ */

[data-theme="dark"] .payment-method-card,
body.dark-theme-active .payment-method-card {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .payment-method-card:hover,
body.dark-theme-active .payment-method-card:hover {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(96, 165, 250, 0.2);
}

[data-theme="dark"] .payment-icon,
body.dark-theme-active .payment-icon {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border-color: var(--border-color);
}

[data-theme="dark"] .payment-icon:hover,
body.dark-theme-active .payment-icon:hover {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-color: var(--primary);
}

[data-theme="dark"] .security-badge,
body.dark-theme-active .security-badge {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border-color: var(--border-color);
}

[data-theme="dark"] .security-badge:hover,
body.dark-theme-active .security-badge:hover {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-color: var(--primary);
}

[data-theme="dark"] .page-title,
body.dark-theme-active .page-title {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.payment-method-card {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.payment-method-card:nth-child(1) {
    animation-delay: 0.1s;
}

.payment-method-card:nth-child(2) {
    animation-delay: 0.2s;
}

.payment-method-card:nth-child(3) {
    animation-delay: 0.3s;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

.payment-method-button:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.payment-method-button:focus:not(:focus-visible) {
    outline: none;
}