/* Reddit Trend Analyzer Styles - White and Blue Theme */
:root {
    --primary-blue: #007bff;
    --secondary-blue: #0056b3;
    --light-blue: #e3f2fd;
    --dark-blue: #003d7a;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #6c757d;
    --text-dark: #212529;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-gray);
    color: var(--text-dark);
    line-height: 1.6;
}

/* Navigation */
.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
}

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

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

.navbar-nav .nav-link:hover {
    color: var(--light-blue);
}

/* Cards */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-bottom: 1.5rem;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.card-header {
    border-bottom: 2px solid var(--light-blue);
    background: var(--white);
    font-weight: 600;
}

.card-header h4 {
    color: var(--dark-blue);
    margin: 0;
}

/* Dashboard Stats */
.card.text-center.bg-light {
    background: linear-gradient(135deg, var(--white), var(--light-blue)) !important;
    border: 1px solid var(--medium-gray);
}

.card.text-center.bg-light .card-body {
    padding: 1.5rem;
}

.card.text-center.bg-light i {
    color: var(--primary-blue);
}

.card.text-center.bg-light h5 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-blue);
    margin: 0.5rem 0;
}

.card.text-center.bg-light p {
    color: var(--dark-gray);
    margin: 0;
    font-size: 0.9rem;
}

/* Forms */
.form-select {
    border: 2px solid var(--medium-gray);
    border-radius: 8px;
    padding: 0.75rem;
    transition: border-color 0.3s ease;
}

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

/* Tables */
.table {
    border-radius: 8px;
    overflow: hidden;
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    border: none;
    font-weight: 600;
    padding: 1rem;
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

.table tbody tr:hover {
    background-color: var(--light-blue);
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
    border-color: var(--medium-gray);
}

/* Word Cloud Container */
#wordCloud {
    background: var(--white);
    border-radius: 8px;
    border: 1px solid var(--medium-gray);
}

/* Trend List */
#topTrendsList {
    max-height: 300px;
    overflow-y: auto;
}

.trend-item {
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background: var(--light-gray);
    border-radius: 6px;
    border-left: 4px solid var(--primary-blue);
    transition: background-color 0.2s ease;
}

.trend-item:hover {
    background: var(--light-blue);
}

.trend-keyword {
    font-weight: 600;
    color: var(--dark-blue);
}

.trend-frequency {
    color: var(--dark-gray);
    font-size: 0.9rem;
}

/* Chart Container */
canvas {
    border-radius: 8px;
    background: var(--white);
    border: 1px solid var(--medium-gray);
}

/* Section Spacing */
section {
    padding: 1rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .card-body .row>div {
        margin-bottom: 1rem;
    }

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

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-blue);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
    border-radius: 4px;
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-blue);
}

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

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

.border-primary {
    border-color: var(--primary-blue) !important;
}

/* Animation for data updates */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Print Styles */
@media print {

    .navbar,
    .card-header,
    .form-select {
        display: none !important;
    }

    .card {
        box-shadow: none;
        border: 1px solid var(--dark-gray);
    }
}