/* ========================================
   Main Application Stylesheet
   ======================================== */

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #48bb78;
    --danger-color: #f56565;
    --warning-color: #ecc94b;
    --info-color: #4299e1;
    --light-bg: #f7fafc;
    --border-color: #e2e8f0;
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --sidebar-width: 260px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--light-bg);
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.6;
}

body.with-sidebar {
    margin-left: var(--sidebar-width);
}

/* ========================================
   Typography
   ======================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    color: var(--text-primary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s;
}

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

code {
    background-color: #f1f5f9;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 13px;
    color: #e53e3e;
}

/* ========================================
   Navbar
   ======================================== */

.navbar {
    background: linear-gradient(90deg, #2d3748 0%, #1a202c 100%);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 18px;
}

.navbar-brand i {
    margin-right: 8px;
    color: var(--primary-color);
}

/* ========================================
   Sidebar
   ======================================== */

.sidebar {
    position: fixed;
    left: 0;
    top: 56px;
    width: var(--sidebar-width);
    height: calc(100vh - 56px);
    background: white;
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    padding: 0;
    z-index: 1000;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-primary);
}

.sidebar-nav {
    padding: 0;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-secondary);
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.active {
    background-color: var(--light-bg);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.sidebar-nav .nav-link i {
    width: 20px;
    text-align: center;
}

.nav-section {
    padding: 15px 0;
    border-top: 1px solid var(--border-color);
}

.nav-section-title {
    display: block;
    padding: 10px 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

/* ========================================
   Main Content
   ======================================== */

.main-wrapper {
    display: flex;
    min-height: calc(100vh - 56px);
}

.main-content {
    flex: 1;
    padding: 0;
    background-color: var(--light-bg);
    min-height: 100vh;
}

/* ========================================
   Cards
   ======================================== */

.card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all 0.2s;
    margin-bottom: 20px;
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.card-header {
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    padding: 20px;
}

.card-header.bg-primary,
.card-header.bg-success,
.card-header.bg-danger,
.card-header.bg-info {
    color: white;
    border-color: transparent;
}

.card-body {
    padding: 20px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 0;
}

/* ========================================
   Tables
   ======================================== */

.table {
    background-color: white;
    margin-bottom: 0;
}

.table thead th {
    border-color: var(--border-color);
    font-weight: 600;
    color: var(--text-primary);
}

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

.table-sm td,
.table-sm th {
    padding: 10px 12px;
}

/* ========================================
   Badges
   ======================================== */

.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    font-weight: 600;
    border-radius: 6px;
    padding: 10px 20px;
    transition: all 0.2s;
    border: none;
}

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

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

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 16px;
}

.btn i {
    margin-right: 8px;
}

/* ========================================
   Forms
   ======================================== */

.form-control,
.form-select {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 14px;
    transition: all 0.2s;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-label {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-text {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ========================================
   Alerts
   ======================================== */

.alert {
    border: none;
    border-radius: 6px;
    padding: 12px 16px;
}

.alert i {
    margin-right: 8px;
}

.alert-danger {
    background-color: #fed7d7;
    color: #742a2a;
}

.alert-success {
    background-color: #c6f6d5;
    color: #22543d;
}

.alert-warning {
    background-color: #feebc8;
    color: #7c2d12;
}

.alert-info {
    background-color: #bee3f8;
    color: #2c5282;
}

/* ========================================
   Modals
   ======================================== */

.modal-content {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.modal-header {
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    padding: 20px;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    background-color: white;
    border-top: 1px solid var(--border-color);
    padding: 15px 20px;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background-color: #2d3748;
    color: white;
    padding: 20px;
    text-align: center;
    font-size: 13px;
    border-top: 1px solid var(--border-color);
}

.footer-dashboard {
    margin-left: var(--sidebar-width);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -100%;
        transition: left 0.3s;
    }

    .sidebar.show {
        left: 0;
    }

    body.with-sidebar {
        margin-left: 0;
    }

    .main-wrapper {
        flex-direction: column;
    }

    .navbar-toggler {
        border: none;
        color: white;
    }
}

/* ========================================
   Print Styles (included in separate file)
   ======================================== */

@media print {

    .navbar,
    .sidebar,
    .footer {
        display: none;
    }

    body.with-sidebar {
        margin-left: 0;
    }
}