/* Future DMO - Custom Styles */

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

/* Global Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Navbar Customization */
.navbar-brand strong {
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

/* Card Customization */
.card {
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Button Customization */
.btn {
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.2s;
}

.btn:hover {
    transform: translateY(-1px);
}

/* Form Customization */
.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Loading Spinner */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner-overlay .spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Document Upload Styles */
.dropzone {
    border: 2px dashed #dee2e6;
    border-radius: 0.375rem;
    padding: 3rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.dropzone:hover {
    border-color: var(--primary-color);
    background-color: var(--light-color);
}

.dropzone.drag-over {
    border-color: var(--success-color);
    background-color: #d4edda;
}

/* Chat Interface Styles */
.chat-container {
    max-width: 800px;
    margin: 0 auto;
}

.chat-messages {
    height: 500px;
    overflow-y: auto;
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    padding: 1rem;
    background-color: #f8f9fa;
}

.message {
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    max-width: 70%;
}

.message.user {
    background-color: var(--primary-color);
    color: white;
    margin-left: auto;
    text-align: right;
}

.message.assistant {
    background-color: white;
    border: 1px solid #dee2e6;
}

.message-timestamp {
    font-size: 0.75rem;
    color: #6c757d;
    margin-top: 0.25rem;
}

/* Dashboard Stats Cards */
.stat-card {
    border-left: 4px solid var(--primary-color);
}

.stat-card.success {
    border-left-color: var(--success-color);
}

.stat-card.warning {
    border-left-color: var(--warning-color);
}

.stat-card.info {
    border-left-color: var(--info-color);
}

/* Document Citations */
.citation {
    background-color: #e7f3ff;
    border-left: 3px solid var(--info-color);
    padding: 0.5rem 1rem;
    margin-top: 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
}

/* Footer Styles */
footer {
    background-color: var(--light-color);
    margin-top: auto;
}

/* Utility Classes */
.text-muted-light {
    color: #adb5bd;
}

.hover-shadow:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .navbar-brand strong {
        font-size: 1.25rem;
    }

    .message {
        max-width: 85%;
    }

    .chat-messages {
        height: 400px;
    }
}