/* Modern Nexus Digital Bank Styling */

:root {
    --primary-color: #1e40af;      /* Deep navy blue */
    --primary-dark: #1e3a8a;       /* Darker navy blue */
    --secondary-color: #64748b;     /* Slate gray */
    --success-color: #10b981;       /* Emerald green */
    --warning-color: #f59e0b;       /* Amber */
    --danger-color: #ef4444;        /* Red */
    --info-color: #3b82f6;          /* Blue */
    --dark-bg: #0f172a;             /* Dark slate */
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    --gradient-secondary: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Icon styling */
.nexus-icon {
    height: 32px;
    width: auto;
    filter: brightness(1.1);
    transition: all 0.3s ease;
}

.nexus-icon:hover {
    filter: brightness(1.2) drop-shadow(0 2px 4px rgba(0,0,0,0.2));
    transform: scale(1.05);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: var(--text-primary);
    font-weight: 400;
    line-height: 1.6;
    min-height: 100vh;
}

/* Modern Navigation */
.nexus-nav {
    background: var(--gradient-primary);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    color: white !important;
    text-decoration: none;
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    color: white !important;
    transform: translateY(-1px);
}

.navbar-brand img {
    filter: brightness(1.1);
    transition: all 0.3s ease;
}

.navbar-brand:hover img {
    filter: brightness(1.2) drop-shadow(0 2px 4px rgba(0,0,0,0.2));
    transform: scale(1.05);
}

.brand-text {
    font-weight: 700;
    font-size: 1.5rem;
}

.brand-sub {
    font-weight: 400;
    font-size: 0.9rem;
    opacity: 0.9;
    margin-left: 0.25rem;
}

/* Logo styling for different contexts */
.logo-nav {
    height: 30px;
    width: auto;
}

.logo-footer {
    height: 24px;
    width: auto;
    filter: brightness(0.9);
}

.logo-hero {
    height: 60px;
    width: auto;
}

/* Modern Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 1px solid var(--border-color);
    border-radius: 16px 16px 0 0 !important;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 1.5rem;
}

/* Hero Section */
.hero-section {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-xl);
    border-radius: 0 0 24px 24px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.5;
}

/* Modern Buttons */
.btn {
    border-radius: 12px;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn::before {
    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;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--gradient-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #059669);
    color: white;
}

.btn-outline-success {
    border: 2px solid var(--success-color);
    color: var(--success-color);
}

.btn-outline-success:hover {
    background: var(--success-color);
    color: white;
}

/* Text and Background Colors */
.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background: var(--gradient-primary) !important;
}

.bg-success {
    background: linear-gradient(135deg, var(--success-color), #059669) !important;
}

.bg-info {
    background: var(--gradient-secondary) !important;
}

/* Account Balance Cards */
.balance-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.balance-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.balance-card.asset-card {
    border-left: 4px solid var(--success-color);
}

.balance-card.liability-card {
    border-left: 4px solid var(--warning-color);
}

.balance-card.investment-card {
    border-left: 4px solid var(--info-color);
}

/* Modern Table Styling */
.table {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead th {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: none;
    font-weight: 600;
    color: var(--text-primary);
    padding: 1rem;
}

.table tbody tr {
    transition: all 0.2s ease;
}

.table tbody tr:hover {
    background-color: rgba(99, 102, 241, 0.05);
    transform: scale(1.01);
}

.table tbody td {
    border: none;
    padding: 1rem;
    vertical-align: middle;
}

/* Badges */
.badge {
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    font-weight: 500;
    font-size: 0.75rem;
}

/* Modern Forms */
.form-control {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--card-bg);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    outline: none;
}

/* Alert Styling */
.alert {
    border: none;
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-left-color: var(--success-color);
    color: #065f46;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-left-color: var(--danger-color);
    color: #991b1b;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-left-color: var(--info-color);
    color: #1e40af;
}

/* Loading animations */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Bank-specific styling */
.account-balance {
    font-size: 2rem;
    font-weight: bold;
    color: var(--success-color);
}

.transaction-row:hover {
    background-color: #f8f9fa;
}

.security-badge {
    background-color: #e8f5e8;
    color: var(--success-color);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
}

/* Form styling */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(25, 118, 210, 0.25);
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(25, 118, 210, 0.25);
}

/* Alert improvements */
.alert {
    border: none;
    border-radius: 6px;
}

.alert-success {
    background-color: #e8f5e8;
    color: var(--success-color);
}

.alert-info {
    background-color: #e3f2fd;
    color: var(--info-color);
}

.alert-warning {
    background-color: #fff3e0;
    color: var(--warning-color);
}

.alert-danger {
    background-color: #ffebee;
    color: var(--danger-color);
}

/* Footer styling */
footer {
    margin-top: auto;
}

/* Responsive improvements */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .card {
        border-radius: 12px;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .btn {
        padding: 0.6rem 1.25rem;
        font-size: 0.9rem;
    }
    
    /* Fix for mobile card header text color */
    .card-header h4 {
        color: var(--text-primary) !important;
    }
    
    .card-header {
        color: var(--text-primary) !important;
    }
}

/* Table improvements */
.table th {
    font-weight: 600;
    background-color: #f8f9fa;
    border-top: none;
}

.table-hover tbody tr:hover {
    background-color: rgba(25, 118, 210, 0.05);
}

/* Animation for highlighting elements */
@keyframes highlight {
    0% { background-color: transparent; }
    50% { background-color: rgba(25, 118, 210, 0.1); }
    100% { background-color: transparent; }
}

.highlight {
    animation: highlight 1s ease-in-out;
}

/* Progress indicator for forms */
.processing {
    position: relative;
}

.processing::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Custom scrollbar for chat */
.chat-window::-webkit-scrollbar {
    width: 6px;
}

.chat-window::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.chat-window::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.chat-window::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Trust indicators */
.trust-indicator {
    display: inline-flex;
    align-items: center;
    background-color: #e8f5e8;
    color: var(--success-color);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    margin: 2px;
}

.trust-indicator i {
    margin-right: 4px;
}

/* Bank card styling */
.bank-card {
    background: linear-gradient(135deg, #1976d2, #1565c0);
    color: white;
    border-radius: 12px;
    padding: 20px;
    margin: 10px 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.bank-card-number {
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    letter-spacing: 2px;
    margin: 10px 0;
}

/* Status indicators */
.status-online {
    color: var(--success-color);
}

.status-processing {
    color: var(--warning-color);
}

.status-error {
    color: var(--danger-color);
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

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

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

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

.pulse-animation {
    animation: pulse 2s infinite;
}

/* Glassmorphism Effect */
.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* Modern Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --card-bg: #1e293b;
        --text-primary: #f1f5f9;
        --text-secondary: #94a3b8;
        --border-color: #334155;
    }
    
    body {
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    }
}

/* Special Effects for Balance Numbers */
.balance-amount {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-weight: 600;
    letter-spacing: -0.5px;
}

/* Hover Effects for Interactive Elements */
.interactive-hover {
    transition: all 0.3s ease;
    cursor: pointer;
}

.interactive-hover:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Status Indicators */
.status-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-active {
    background-color: var(--success-color);
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.5);
}

.status-pending {
    background-color: var(--warning-color);
    box-shadow: 0 0 6px rgba(245, 158, 11, 0.5);
}

.status-inactive {
    background-color: var(--secondary-color);
}