/* MedStudyBot Custom Styles */

:root {
    --primary-color: #2c5aa0;
    --secondary-color: #28a745;
    --accent-color: #17a2b8;
    --medical-green: #198754;
    --light-bg: #f8f9fa;
    --border-color: #dee2e6;
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.5rem;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-image {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* Cards */
.card {
    border-radius: 12px;
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.card-header {
    background-color: var(--light-bg);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #1e3d6f;
    border-color: #1e3d6f;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 90, 160, 0.3);
}

.btn-success {
    background-color: var(--medical-green);
    border-color: var(--medical-green);
}

.btn-success:hover {
    background-color: #146c43;
    border-color: #146c43;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(25, 135, 84, 0.3);
}

.btn-info {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.btn-info:hover {
    background-color: #138496;
    border-color: #138496;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(23, 162, 184, 0.3);
}

/* Badges */
.badge {
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Navigation */
.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #fff !important;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    background-color: var(--light-bg) !important;
}

/* Chat Styles */
.chat-container {
    background-color: #fafafa;
    border-radius: 12px;
}

.message-bubble {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    line-height: 1.5;
}

.message.user .message-bubble {
    background: linear-gradient(135deg, #007bff, #0056b3);
}

.message.assistant .message-bubble {
    background-color: #ffffff;
    border: 1px solid #e9ecef;
}

/* Form Styles */
.form-control {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(44, 90, 160, 0.25);
}

.form-select {
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(44, 90, 160, 0.25);
}

/* Alert Styles */
.alert {
    border-radius: 8px;
    border: none;
}

.alert-info {
    background-color: #e3f2fd;
    color: #01579b;
}

.alert-success {
    background-color: #e8f5e8;
    color: #2e7d32;
}

.alert-danger {
    background-color: #ffebee;
    color: #c62828;
}

/* Utility Classes */
.text-primary {
    color: var(--primary-color) !important;
}

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

.border-left-primary {
    border-left: 4px solid var(--primary-color) !important;
}

.border-left-success {
    border-left: 4px solid var(--medical-green) !important;
}

/* Profile Image */
.rounded-circle {
    object-fit: cover;
}

/* Loading Animation */
.spinner-border {
    color: var(--primary-color);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
        padding: 2rem 0;
    }
    
    .hero-section .display-4 {
        font-size: 2rem;
    }
    
    .chat-container {
        height: 50vh;
    }
    
    .card-body {
        padding: 1rem;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .display-4 {
        font-size: 1.75rem;
    }
    
    .lead {
        font-size: 1rem;
    }
}

/* Dark mode support (future enhancement) */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles can be added here if needed */
}

/* Print styles */
@media print {
    .navbar,
    footer,
    .btn,
    .alert {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
}

/* Accessibility improvements */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid #000 !important;
    }
    
    .btn {
        border-width: 2px !important;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-image {
        animation: none;
    }
}