/* University Theme Colors */
:root {
    --primary-blue: #00205b;  /* SASTRA Blue */
    --secondary-gold: #ffd700; /* SASTRA Gold */
    --light-blue: #e6f2ff;
    --dark-blue: #001a4d;
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

/* Navbar Customization */
.navbar.bg-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue)) !important;
    box-shadow: 0 2px 10px rgba(0, 32, 91, 0.2);
}

/* Card Styling */
.card {
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
}

.card-header {
    border-radius: 10px 10px 0 0 !important;
    font-weight: 600;
}

/* Chat Container */
.chat-container {
    height: 600px;
    display: flex;
    flex-direction: column;
}

.chat-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

/* Message Styling */
.message {
    margin-bottom: 15px;
    max-width: 80%;
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.user-message {
    margin-left: auto;
}

.user-message .message-content {
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    color: white;
    padding: 12px 16px;
    border-radius: 18px 18px 4px 18px;
}

.bot-message .message-content {
    background: white;
    padding: 12px 16px;
    border-radius: 18px 18px 18px 4px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--secondary-gold);
}

.message-time {
    font-size: 0.75rem;
    margin-top: 4px;
    opacity: 0.7;
}

/* Chat Input */
#userInput {
    border-radius: 25px;
    padding: 12px 20px;
    border: 2px solid #dee2e6;
    transition: border-color 0.3s ease;
}

#userInput:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.25rem rgba(0, 32, 91, 0.25);
}

#sendButton {
    border-radius: 25px;
    padding: 12px 30px;
    margin-left: 10px;
}

/* Quick Question Buttons */
.btn-outline-primary {
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-2px);
}

/* Language Selector */
.language-selector select {
    width: 150px;
    border: 2px solid var(--primary-blue);
    border-radius: 20px;
    background: white;
    color: var(--primary-blue);
    font-weight: 500;
}

/* Admin Dashboard */
.bg-warning {
    background: linear-gradient(135deg, #ffd700, #ffed4e) !important;
    color: #000 !important;
}

.bg-success {
    background: linear-gradient(135deg, #28a745, #20c997) !important;
}

.bg-dark {
    background: linear-gradient(135deg, #343a40, #212529) !important;
}

/* Progress Bars */
.progress {
    background-color: #e9ecef;
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-gold));
    transition: width 0.6s ease;
}

/* Badges */
.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .chat-container {
        height: 500px;
    }
    
    .message {
        max-width: 90%;
    }
    
    .col-md-3, .col-md-4, .col-md-6, .col-md-9 {
        margin-bottom: 15px;
    }
}

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

/* Links in Chat */
.chat-body a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 2px solid var(--secondary-gold);
    transition: all 0.3s ease;
}

.chat-body a:hover {
    color: var(--dark-blue);
    border-bottom-color: var(--primary-blue);
}

/* Scrollbar Styling */
.chat-body::-webkit-scrollbar {
    width: 8px;
}

.chat-body::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.chat-body::-webkit-scrollbar-thumb {
    background: var(--primary-blue);
    border-radius: 4px;
}

.chat-body::-webkit-scrollbar-thumb:hover {
    background: var(--dark-blue);
}