:root {
    --bg-dark: #050505;
    --bg-card: rgba(20, 20, 20, 0.6);
    --bg-input: rgba(255, 255, 255, 0.03);
    
    --primary: #8e44ad;
    --primary-hover: #9b59b6;
    --secondary: #2980b9;
    
    --accent-btc: #f7931a;
    --accent-ltc: #3498db;
    --accent-usdt: #2ecc71;
    
    --text-main: #ecf0f1;
    --text-secondary: #95a5a6;
    --border-color: rgba(255, 255, 255, 0.1);
    
    --success: #2ecc71;
    --warning: #f1c40f;
    --danger: #e74c3c;
    
    --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glow-primary: 0 0 20px rgba(142, 68, 173, 0.4);
    --glow-text: 0 0 10px rgba(255, 255, 255, 0.1);
    
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 8px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(142, 68, 173, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(41, 128, 185, 0.08), transparent 25%);
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0 rgba(142, 68, 173, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(142, 68, 173, 0); }
    100% { box-shadow: 0 0 0 0 rgba(142, 68, 173, 0); }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
    100% { transform: translateY(0px); }
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: rgba(5, 5, 5, 0.7);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 12px;
    text-shadow: var(--glow-text);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-item {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    position: relative;
}

.nav-item:hover, .nav-item.active {
    color: #fff;
    background: rgba(255,255,255,0.03);
}

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: -21px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    box-shadow: var(--glow-primary);
}

.nav-balance {
    background: linear-gradient(135deg, var(--primary), #8e44adaa);
    padding: 10px 20px;
    border-radius: 50px;
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: var(--glow-primary);
    border: 1px solid rgba(255,255,255,0.1);
    transition: transform 0.2s;
}

.nav-balance:hover {
    transform: scale(1.05);
}

/* Layout */
.main-container {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 30px;
    width: 100%;
    animation: fadeIn 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.page-header {
    margin-bottom: 50px;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 15px;
    background: linear-gradient(to bottom right, #fff, #999);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 400;
}

/* Auth & Cards */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background: radial-gradient(circle at center, rgba(142, 68, 173, 0.1), transparent 60%);
}

.content-card, .auth-box {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 50px;
    width: 100%;
    box-shadow: var(--shadow-card);
}

.auth-box { max-width: 460px; }
.content-card { max-width: 900px; margin: 0 auto; }

/* Forms */
.form-group { margin-bottom: 28px; text-align: left; }

.form-label {
    display: block;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.form-input, .form-select {
    width: 100%;
    padding: 18px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

.form-input:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(142, 68, 173, 0.15);
    background: rgba(255,255,255,0.05);
}

.form-select option {
    background-color: #111;
    color: #fff;
    padding: 10px;
}

.btn-primary, .btn-buy {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--glow-primary);
}

.btn-primary:hover, .btn-buy:hover {
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 0 30px rgba(142, 68, 173, 0.5);
}

/* Crypto Selector */
.crypto-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.crypto-option {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 25px;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.crypto-option:hover {
    background: rgba(255,255,255,0.05);
    transform: translateY(-5px);
    border-color: rgba(255,255,255,0.2);
}

.crypto-option.active {
    border-color: var(--primary);
    background: rgba(142, 68, 173, 0.1);
    box-shadow: 0 0 20px rgba(142, 68, 173, 0.2) inset;
}

.crypto-option.active::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 12px;
    right: 12px;
    color: var(--primary);
    font-size: 14px;
}

.crypto-icon {
    font-size: 32px;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 10px currentColor);
}

.crypto-name {
    font-weight: 700;
    font-size: 1.1rem;
    display: block;
    margin-bottom: 4px;
}

.crypto-min {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Wallet Address Display */
.wallet-display {
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 25px;
    margin-bottom: 30px;
    position: relative;
    word-break: break-all;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-main);
    font-size: 0.95rem;
    text-align: center;
    display: none;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
}

.copy-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: 0.2s;
}

.copy-btn:hover { background: rgba(255,255,255,0.15); }

/* Order Status */
.order-status-card {
    margin-top: 40px;
    padding: 30px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.02), rgba(255,255,255,0.0));
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border-color);
    display: none;
}

.status-badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.status-pending { 
    background: rgba(241, 196, 15, 0.1); 
    color: var(--warning); 
    border: 1px solid rgba(241, 196, 15, 0.3);
    box-shadow: 0 0 15px rgba(241, 196, 15, 0.1);
}
.status-confirmed { 
    background: rgba(46, 204, 113, 0.1); 
    color: var(--success); 
    border: 1px solid rgba(46, 204, 113, 0.3);
    box-shadow: 0 0 15px rgba(46, 204, 113, 0.1);
}

.refresh-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: 0.2s;
    font-size: 0.95rem;
}

.refresh-btn:hover {
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 0 15px rgba(142, 68, 173, 0.2);
}

/* Table */
.table-responsive {
    overflow-x: auto;
    background: rgba(20, 20, 20, 0.4);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

table { width: 100%; border-collapse: separate; border-spacing: 0; }
th, td { padding: 20px 24px; text-align: left; border-bottom: 1px solid var(--border-color); }
th { color: var(--text-secondary); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; background: rgba(255,255,255,0.02); }
td { font-size: 0.95rem; color: #fff; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255, 255, 255, 0.03); }

/* Alerts */
.alert {
    padding: 18px;
    border-radius: var(--radius-md);
    margin-bottom: 30px;
    font-size: 0.95rem;
    display: none;
    border: 1px solid transparent;
}
.alert-error { background: rgba(231, 76, 60, 0.1); color: #e74c3c; border-color: rgba(231, 76, 60, 0.3); }
.alert-success { background: rgba(46, 204, 113, 0.1); color: #2ecc71; border-color: rgba(46, 204, 113, 0.3); }

/* Filters */
.filters-bar {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

/* --- Toast Notification System --- */
#toast-container {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.toast {
    min-width: 320px;
    background: rgba(20, 20, 20, 0.9);
    backdrop-filter: blur(10px);
    color: #fff;
    padding: 18px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: 0 15px 40px rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    gap: 15px;
    animation: slideIn 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    overflow: hidden;
    position: relative;
}

.toast::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
}

.toast.success::before { background: var(--success); box-shadow: 0 0 10px var(--success); }
.toast.error::before { background: var(--danger); box-shadow: 0 0 10px var(--danger); }
.toast.info::before { background: var(--primary); box-shadow: 0 0 10px var(--primary); }

.toast-icon { font-size: 1.3rem; }
.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--danger); }
.toast.info .toast-icon { color: var(--primary); }

.toast-message { font-size: 0.95rem; font-weight: 500; }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
    to { opacity: 0; transform: translateY(-20px); }
}

/* --- Captcha Styles --- */
.captcha-container {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    background: rgba(255,255,255,0.03);
    padding: 12px 18px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}
.captcha-question {
    font-weight: 700;
    color: var(--primary);
    font-size: 1.2rem;
    user-select: none;
    text-shadow: 0 0 10px rgba(142, 68, 173, 0.5);
}
.captcha-input {
    flex: 1;
    background: transparent;
    border: none;
    color: #fff;
    outline: none;
    font-size: 1.1rem;
    font-weight: 600;
}

/* --- My Cards Section --- */
.section-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin: 50px 0 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    color: #fff;
    letter-spacing: -0.5px;
}

/* --- Modal System --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 3000;
    animation: fadeIn 0.3s ease-out;
}

.modal {
    background: #111;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 90%;
    max-width: 440px;
    text-align: center;
    box-shadow: 0 25px 60px rgba(0,0,0,0.7);
    transform: scale(0.95);
    animation: scaleIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes scaleIn {
    to { transform: scale(1); }
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    color: #fff;
}

.modal-message {
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 1.05rem;
    line-height: 1.5;
}

.modal-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.btn-modal {
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    flex: 1;
    font-size: 1rem;
}

.btn-cancel {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-cancel:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.btn-confirm {
    background: var(--primary);
    color: #fff;
    box-shadow: var(--glow-primary);
}

.btn-confirm:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(142, 68, 173, 0.4);
}

/* --- Top Up Page Enhancements --- */
.step-indicator {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    justify-content: center;
}

.step {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.step.active {
    background: var(--primary);
    color: #fff;
    box-shadow: var(--glow-primary);
    border-color: var(--primary);
}

/* --- Profile Page Enhancements --- */
.profile-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    box-shadow: var(--glow-primary);
}

.profile-info h2 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: #fff;
}

.profile-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.purchased-card-item {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.purchased-card-item:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.card-detail-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.card-detail-label {
    color: var(--text-secondary);
}

.card-detail-value {
    color: #fff;
    font-weight: 500;
    font-family: 'JetBrains Mono', monospace;
}

.card-copy-btn {
    background: transparent;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 0.9rem;
    margin-left: 10px;
}

.card-copy-btn:hover {
    color: var(--primary-hover);
    text-shadow: var(--glow-primary);
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: #333; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: #444; }

/* --- Badges --- */
.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}
.badge-visa { background: #1a1f71; color: #fff; }
.badge-master { background: #eb001b; color: #fff; }
.badge-random { background: linear-gradient(45deg, #8e44ad, #3498db); color: #fff; }
.badge-diamond { background: linear-gradient(45deg, #00f260, #0575e6); color: #fff; box-shadow: 0 0 10px rgba(5, 117, 230, 0.4); }

.badge-success { background: rgba(46, 204, 113, 0.2); color: #2ecc71; }
.badge-danger { background: rgba(231, 76, 60, 0.2); color: #e74c3c; }

/* --- 3DS Fake Modal --- */
.modal-3ds {
    background: #fff;
    color: #333;
    max-width: 400px;
    border-radius: 8px;
    padding: 0;
    overflow: hidden;
    text-align: left;
    font-family: Arial, sans-serif;
}

.modal-3ds-header {
    padding: 15px 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.bank-logo-placeholder {
    font-weight: bold;
    font-size: 1.2rem;
    color: #1a1f71; /* Visa blueish */
    font-style: italic;
}

.modal-3ds-body {
    padding: 20px;
    font-size: 0.9rem;
}

.modal-3ds-row {
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
}

.modal-3ds-label { font-weight: bold; color: #666; }
.modal-3ds-value { font-weight: normal; }

.modal-3ds-input {
    width: 100%;
    padding: 10px;
    margin-top: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}

.btn-3ds-submit {
    width: 100%;
    padding: 12px;
    background: #1a1f71;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-weight: bold;
    margin-top: 20px;
    cursor: pointer;
}
.btn-3ds-submit:hover { background: #0f1244; }

.loader-3ds {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #1a1f71;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.card-action-btn {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    margin-left: 10px;
    transition: 0.2s;
}
.card-action-btn:hover { background: var(--primary); border-color: var(--primary); }