/* CCTV Manager - Main Stylesheet */

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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #3498db;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --border-color: #bdc3c7;
    --text-color: #333;
    --bg-color: #f8f9fa;
}

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

/* Header & Navigation */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--secondary-color);
}

/* Main Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.main-content {
    padding: 2rem 0;
}

/* Sidebar Layout */
.layout-with-sidebar {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
}

.sidebar {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    height: fit-content;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 0.5rem;
}

.sidebar-menu a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background-color: var(--secondary-color);
    color: white;
}

/* Cards */
.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.table thead {
    background-color: var(--light-color);
}

.table th {
    padding: 1rem;
    text-align: left;
    font-weight: bold;
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background-color: #f5f5f5;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="url"],
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="url"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    font-weight: 500;
}

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

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background-color: #229954;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #c0392b;
}

.btn-warning {
    background-color: var(--warning-color);
    color: white;
}

.btn-warning:hover {
    background-color: #d68910;
}

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

.btn-secondary:hover {
    background-color: #95a5a6;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Status Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.badge-success {
    background-color: #d4edda;
    color: #155724;
}

.badge-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.badge-warning {
    background-color: #fff3cd;
    color: #856404;
}

.badge-info {
    background-color: #d1ecf1;
    color: #0c5460;
}

/* Alerts */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    border-left: 4px solid;
}

.alert-success {
    background-color: #d4edda;
    border-color: #27ae60;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #e74c3c;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #f39c12;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #3498db;
    color: #0c5460;
}

/* Pagination */
.pagination {
    display: flex;
    gap: 0.5rem;
    margin-top: 2rem;
    justify-content: center;
}

.pagination a,
.pagination span {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s;
}

.pagination a:hover {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.pagination .active {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: bold;
}

.close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-color);
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

/* Responsive */
@media (max-width: 768px) {
    .layout-with-sidebar {
        grid-template-columns: 1fr;
    }
    
    nav ul {
        gap: 1rem;
    }
    
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table th,
    .table td {
        padding: 0.5rem;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.hidden {
    display: none;
}

.text-muted {
    color: #7f8c8d;
}

.text-success {
    color: var(--success-color);
}

.text-danger {
    color: var(--danger-color);
}

.text-warning {
    color: var(--warning-color);
}