/* General Site Styles */

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --danger-color: #dc3545;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --border-radius: 6px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

a {
    color: #007bff;
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: #0056b3;
    text-decoration: underline;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 10px;
}

h1 { font-size: 32px; }
h2 { font-size: 28px; }
h3 { font-size: 24px; }
h4 { font-size: 20px; }
h5 { font-size: 18px; }
h6 { font-size: 16px; }

p {
    margin-bottom: 10px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background-color: #007bff;
    color: white;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #545b62;
}

.btn-success {
    background-color: #28a745;
    color: white;
}

.btn-success:hover {
    background-color: #218838;
}

.btn-danger {
    background-color: #dc3545;
    color: white;
}

.btn-danger:hover {
    background-color: #c82333;
}

/* Forms */
.form-group {
    margin-bottom: 15px;
}

.form-label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #333;
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-family: inherit;
}

.form-control:focus {
    border-color: #007bff;
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.15);
}

/* Alerts */
.alert {
    padding: 12px 16px;
    margin-bottom: 15px;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
}

.alert-primary {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffeeba;
    color: #856404;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 15px;
}

.table th {
    background-color: #f5f5f5;
    font-weight: 600;
    border-bottom: 2px solid #ddd;
    padding: 10px;
    text-align: left;
}

.table td {
    padding: 10px;
    border-bottom: 1px solid #ddd;
}

.table tr:hover {
    background-color: #f9f9f9;
}

/* Cards */
.card {
    background: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 15px;
}

.card-header {
    padding: 15px;
    background-color: #f5f5f5;
    border-bottom: 1px solid #ddd;
    font-weight: 600;
}

.card-body {
    padding: 15px;
}

.card-footer {
    padding: 15px;
    background-color: #f5f5f5;
    border-top: 1px solid #ddd;
}

/* Navbar */
.navbar {
    background-color: #fff;
    border-bottom: 1px solid #ddd;
    padding: 10px 0;
}

.navbar-brand {
    font-size: 20px;
    font-weight: 700;
    color: #333;
}

.nav-link {
    color: #666 !important;
    padding: 8px 15px;
    font-size: 14px;
}

.nav-link:hover {
    color: #007bff !important;
}

/* Containers */
.container {
    width: 100%;
    padding: 0 15px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .container {
        max-width: 750px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 970px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1170px;
    }
}

/* Utility Classes */
.mb-1 { margin-bottom: 5px; }
.mb-2 { margin-bottom: 10px; }
.mb-3 { margin-bottom: 15px; }
.mb-4 { margin-bottom: 20px; }

.mt-1 { margin-top: 5px; }
.mt-2 { margin-top: 10px; }
.mt-3 { margin-top: 15px; }
.mt-4 { margin-top: 20px; }

.mx-auto { margin-left: auto; margin-right: auto; }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-muted { color: #6c757d; }
.text-danger { color: #dc3545; }
.text-success { color: #28a745; }
.text-warning { color: #ffc107; }
.text-info { color: #17a2b8; }

.small { font-size: 12px; }

/* Responsive */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
    
    h1 { font-size: 24px; }
    h2 { font-size: 20px; }
    h3 { font-size: 18px; }
}