/* Tactical Staff Management System - Main Styles */

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    --border-color: #e2e8f0;
    --text-muted: #64748b;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.display-4 {
    font-weight: 700;
}

/* Buttons */
.btn {
    font-weight: 500;
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

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

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

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

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

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background-color: transparent;
}

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Cards */
.card {
    background-color: white;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    background-color: var(--light-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background-color: var(--light-color);
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

/* Forms */
.form-control {
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.2s ease;
    background-color: white;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
    outline: none;
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.input-group-text {
    background-color: var(--light-color);
    border: 2px solid var(--border-color);
    border-right: none;
    color: var(--text-muted);
}

.input-group .form-control {
    border-left: none;
}

/* Alerts */
.alert {
    border-radius: 0.5rem;
    padding: 1rem 1.5rem;
    border: none;
    font-weight: 500;
}

.alert-success {
    background-color: #dcfce7;
    color: #166534;
}

.alert-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.alert-info {
    background-color: #cffafe;
    color: #155e75;
}

/* Tables */
.table {
    background-color: white;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table th {
    background-color: var(--light-color);
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    padding: 1rem;
}

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

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

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
}

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

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

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

.badge-info {
    background-color: var(--info-color);
    color: white;
}

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

/* Navigation */
.navbar {
    background-color: white;
    box-shadow: var(--shadow);
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.nav-link {
    font-weight: 500;
    color: var(--dark-color);
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link.active {
    color: var(--primary-color);
    font-weight: 600;
}

/* Sidebar */
.sidebar {
    background-color: white;
    border-right: 1px solid var(--border-color);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    z-index: 1000;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--light-color);
}

.sidebar-nav {
    padding: 1rem 0;
}

.sidebar-nav .nav-link {
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--dark-color);
    transition: all 0.2s ease;
}

.sidebar-nav .nav-link:hover {
    background-color: var(--light-color);
    color: var(--primary-color);
}

.sidebar-nav .nav-link.active {
    background-color: var(--primary-color);
    color: white;
}

.sidebar-nav .nav-link i {
    width: 1.25rem;
    text-align: center;
}

/* Main content */
.main-content {
    margin-left: 280px;
    padding: 2rem;
    min-height: 100vh;
    background-color: var(--light-color);
}

/* Dashboard cards */
.dashboard-card {
    background-color: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.dashboard-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.dashboard-card .card-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1rem;
}

.dashboard-card .card-icon.bg-primary {
    background-color: var(--primary-color);
}

.dashboard-card .card-icon.bg-success {
    background-color: var(--success-color);
}

.dashboard-card .card-icon.bg-warning {
    background-color: var(--warning-color);
}

.dashboard-card .card-icon.bg-danger {
    background-color: var(--danger-color);
}

.dashboard-card .card-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.dashboard-card .card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.dashboard-card .card-change {
    font-size: 0.875rem;
    font-weight: 500;
}

.dashboard-card .card-change.positive {
    color: var(--success-color);
}

.dashboard-card .card-change.negative {
    color: var(--danger-color);
}

/* QR Code Scanner */
.qr-scanner-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.qr-scanner-video {
    width: 100%;
    border-radius: 1rem;
    box-shadow: var(--shadow);
}

.qr-scanner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid var(--primary-color);
    border-radius: 1rem;
    pointer-events: none;
}

/* Attendance calendar */
.attendance-calendar {
    background-color: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.calendar-day:hover {
    background-color: var(--light-color);
}

.calendar-day.today {
    background-color: var(--primary-color);
    color: white;
}

.calendar-day.present {
    background-color: var(--success-color);
    color: white;
}

.calendar-day.absent {
    background-color: var(--danger-color);
    color: white;
}

.calendar-day.late {
    background-color: var(--warning-color);
    color: white;
}

.calendar-day.half-day {
    background-color: var(--info-color);
    color: white;
}

.calendar-day.holiday {
    background-color: var(--secondary-color);
    color: white;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 1rem;
    }
    
    .dashboard-card {
        margin-bottom: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .table-responsive {
        border-radius: 0.5rem;
        overflow: hidden;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .btn-group .btn {
        width: auto;
        margin-bottom: 0;
    }
}

/* Loading spinner */
.spinner {
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Toast notifications */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1050;
}

.toast {
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
    min-width: 300px;
}

.toast-header {
    background-color: var(--light-color);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem 0.5rem 0 0;
}

.toast-body {
    padding: 1rem;
}

/* Modal customizations */
.modal-content {
    border-radius: 1rem;
    border: none;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

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

::-webkit-scrollbar-track {
    background: var(--light-color);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-color);
}

/* Print styles */
@media print {
    .sidebar,
    .navbar,
    .btn,
    .no-print {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        padding: 0 !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #000 !important;
    }
}