/* Main Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fc;
    color: #333;
}

/* Card Styles */
.card {
    border-radius: 8px;
    border: none;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    margin-bottom: 1.5rem;
}

.card-header {
    border-top-left-radius: 8px !important;
    border-top-right-radius: 8px !important;
    padding: 0.75rem 1.25rem;
}

/* Button Styles */
.btn {
    border-radius: 6px;
    padding: 0.5rem 1rem;
    font-weight: 500;
}

.btn-primary {
    background-color: #4e73df;
    border-color: #4e73df;
}

.btn-primary:hover {
    background-color: #2e59d9;
    border-color: #2653d4;
}

/* Navigation */
.navbar {
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.2rem;
}

/* Authentication Cards */
.auth-card {
    max-width: 450px;
    margin: 0 auto;
}

/* Dashboard */
.stock-card {
    transition: transform 0.2s;
}

.stock-card:hover {
    transform: translateY(-5px);
}

.gain {
    color: #1cc88a;
}

.loss {
    color: #e74a3b;
}

/* Table Styles */
.table th {
    font-weight: 600;
    border-top: none;
}

.table td, .table th {
    vertical-align: middle;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .card-body {
        padding: 1rem;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
}

/* FaceID/Face Unlock Styling */
.biometric-icon {
    font-size: 1.5rem;
    margin-right: 0.5rem;
    color: #4e73df;
}

/* Portfolio Summary Cards */
.summary-card {
    height: 100%;
}

.summary-value {
    font-size: 1.8rem;
    font-weight: 700;
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 250px;
}

/* Modal Customization */
.modal-content {
    border: none;
    border-radius: 8px;
}

.modal-header {
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

/* Form Elements */
.form-control {
    border-radius: 6px;
    padding: 0.75rem 1rem;
}

.form-control:focus {
    border-color: #4e73df;
    box-shadow: 0 0 0 0.25rem rgba(78, 115, 223, 0.25);
}

/* Footer */
footer {
    background-color: #f8f9fc;
    border-top: 1px solid #e3e6f0;
}