/* Main Styles */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --card-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --card-shadow-hover: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom Navbar Styles */
.navbar {
    padding: 0.75rem 1rem;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}

.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
    outline: none;
}

/* Card Styles */
.card {
    transition: transform 0.3s, box-shadow 0.3s;
    border: none;
    border-radius: 0.5rem;
    box-shadow: var(--card-shadow);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

@media (min-width: 768px) {
    .card:hover {
        transform: translateY(-5px);
        box-shadow: var(--card-shadow-hover);
    }
}

.card-body {
    padding: 1.5rem;
}

/* Team Member Styles */
.team-member-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 2rem;
}

/* Table Styles */
.table th {
    font-weight: 600;
    background-color: #f8f9fa;
}

.table-responsive {
    overflow-x: auto;
    overflow-y: hidden;
}

/* Dashboard Styles */
.filter-card {
    position: sticky;
    top: 80px;
}

@media (max-width: 767.98px) {
    .filter-card {
        position: static;
        margin-bottom: 1.5rem;
    }
}

/* Auth Form Styles */
.auth-form-container {
    max-width: 400px;
    margin: 0 auto;
}

.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    border-color: #86b7fe;
}

/* Footer Styles */
footer {
    padding: 2rem 0 1.5rem;
}

footer a:hover {
    text-decoration: underline !important;
}

/* Utility Classes */
.text-highlight {
    color: var(--primary-color);
    font-weight: 600;
}

/* Mobile-specific Styles */
@media (max-width: 575.98px) {
    /* Extra small devices */
    .container {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
    
    h1, .h1 {
        font-size: 1.75rem;
    }
    
    h2, .h2 {
        font-size: 1.5rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1rem;
    }
    
    .py-5 {
        padding-top: 2rem !important;
        padding-bottom: 2rem !important;
    }
    
    .card-body {
        padding: 1.25rem;
    }
    
    /* Improve touch targets */
    .btn {
        padding: 0.5rem 1rem;
        min-height: 44px;
    }
    
    /* Adjust modal for mobile */
    .modal-dialog {
        margin: 0.5rem;
    }
    
    /* Improve form elements for touch */
    input, select, textarea {
        font-size: 16px !important; /* Prevents iOS zoom on focus */
    }
}

@media (min-width: 576px) and (max-width: 767.98px) {
    /* Small devices */
    .display-4 {
        font-size: 2.25rem;
    }
    
    .lead {
        font-size: 1.1rem;
    }
}

@media (min-width: 768px) and (max-width: 991.98px) {
    /* Medium devices */
    .display-4 {
        font-size: 2.5rem;
    }
}

/* Accessibility Improvements */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    body.dark-mode-enabled {
        background-color: #121212;
        color: #e0e0e0;
    }
    
    body.dark-mode-enabled .card {
        background-color: #1e1e1e;
        color: #e0e0e0;
    }
    
    body.dark-mode-enabled .bg-light {
        background-color: #1e1e1e !important;
        color: #e0e0e0;
    }
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    a[href]:after {
        content: none !important;
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

/* Profile & Settings Pages */
.avatar-placeholder {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 2rem;
}

.settings-range-slider {
    width: 25%;
}

@media (max-width: 767.98px) {
    .settings-range-slider {
        width: 50%;
    }
}

.api-key-container {
    display: flex;
    align-items: center;
}

.api-key-container .form-control {
    margin-right: 0.5rem;
}

.theme-dark {
    background-color: #121212;
    color: #e0e0e0;
}

.theme-dark .card {
    background-color: #1e1e1e;
    color: #e0e0e0;
}

.theme-dark .bg-light {
    background-color: #1e1e1e !important;
    color: #e0e0e0;
}