/* ===== CSS VARIABLES ===== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --bg-input: #1e293b;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border-color: #334155;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

input {
    font-family: inherit;
    outline: none;
}

/* ===== LOGIN PAGE ===== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background: 
        radial-gradient(ellipse at top left, rgba(99, 102, 241, 0.15), transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(139, 92, 246, 0.15), transparent 50%),
        var(--bg-dark);
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.logo {
    margin-bottom: 20px;
}

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Form Styles */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.password-wrapper {
    position: relative;
}

.password-wrapper input {
    padding-right: 48px;
}

.toggle-password {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    color: var(--text-muted);
    padding: 4px;
    transition: color var(--transition-fast);
}

.toggle-password:hover {
    color: var(--text-primary);
}

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    cursor: pointer;
}

.remember-me input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.forgot-password {
    color: var(--primary-light);
    font-weight: 500;
}

/* Login Button */
.login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    margin-top: 8px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.login-btn:active {
    transform: translateY(0);
}

/* Error Message */
.error-message {
    color: var(--danger);
    font-size: 0.875rem;
    text-align: center;
    padding: 12px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--border-radius);
    display: none;
}

.error-message.show {
    display: block;
}

/* Footer */
.login-footer {
    text-align: center;
    margin-top: 24px;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ===== DASHBOARD PAGE ===== */
.dashboard-page {
    min-height: 100vh;
    background: 
        radial-gradient(ellipse at top, rgba(99, 102, 241, 0.08), transparent 40%),
        var(--bg-dark);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-brand svg {
    width: 36px;
    height: 36px;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
}

.user-role {
    font-size: 0.75rem;
    color: var(--primary-light);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border-color);
}

.logout-btn {
    padding: 10px;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.logout-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

/* Dashboard Main */
.dashboard-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 32px;
}

.dashboard-header {
    margin-bottom: 32px;
}

.dashboard-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.dashboard-header h1 span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dashboard-header p {
    color: var(--text-secondary);
}

/* Balance Card */
.balance-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(99, 102, 241, 0.1) 100%);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
}

.balance-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.balance-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.balance-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.balance-label {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.balance-amount {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 20px;
}

.balance-amount .currency {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.balance-amount .amount {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.balance-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--success);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.last-update {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.withdraw-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 18px 32px;
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    position: relative;
    z-index: 1;
}

.withdraw-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
}

.withdraw-btn:active {
    transform: translateY(0);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 24px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all var(--transition-fast);
}

.stat-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon.green {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.stat-icon.blue {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.stat-icon.purple {
    background: rgba(139, 92, 246, 0.15);
    color: var(--secondary);
}

.stat-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===== MODAL ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 500px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    color: var(--text-muted);
    padding: 4px;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 28px;
}

.modal-subtitle {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.modal-subtitle strong {
    color: var(--success);
    font-size: 1.1rem;
}

/* Payment Methods */
.payment-methods {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.payment-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-input);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.payment-card:hover {
    border-color: var(--primary);
    background: var(--bg-card-hover);
}

.payment-card.selected {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.payment-card.selected .payment-check {
    opacity: 1;
    color: var(--primary);
}

.payment-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.payment-icon.bank {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.payment-icon.crypto {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.payment-icon.papara {
    background: rgba(139, 92, 246, 0.15);
    color: var(--secondary);
}

.payment-icon.paypal {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.payment-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.payment-name {
    font-weight: 600;
    color: var(--text-primary);
}

.payment-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.payment-check {
    opacity: 0;
    transition: opacity var(--transition-fast);
}

/* Modal Footer */
.modal-footer {
    display: flex;
    gap: 12px;
    padding: 20px 28px;
    border-top: 1px solid var(--border-color);
}

.btn-secondary {
    flex: 1;
    padding: 14px 24px;
    background: var(--bg-input);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.btn-primary {
    flex: 1;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .login-card {
        padding: 28px;
    }
    
    .navbar {
        padding: 12px 16px;
    }
    
    .nav-brand span {
        display: none;
    }
    
    .user-info {
        display: none;
    }
    
    .dashboard-main {
        padding: 24px 16px;
    }
    
    .balance-amount .amount {
        font-size: 2.5rem;
    }
    
    .balance-amount .currency {
        font-size: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        max-height: 90vh;
        overflow-y: auto;
    }
}