/* Custom styles for Security Management System */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --primary-color: #8b7d6b;
    --secondary-color: #a69688;
    --success-color: #6b8b73;
    --warning-color: #b8a082;
    --danger-color: #a67c6b;
    --light-bg: #f5f3f0;
    --dark-bg: #8b7d6b;
    --card-bg: #ffffff;
    --text-primary: #4a453f;
    --text-secondary: #6b6358;
    --text-light: #f5f3f0;
    --border-color: #d4cfc7;
    --shadow-color: rgba(139, 125, 107, 0.1);
}

body {
    background-color: var(--light-bg);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    font-weight: 400;
    margin: 0 !important;
    padding: 0 !important;
    width: 100%;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.1rem; }

/* Navbar */
.navbar {
    background-color: var(--dark-bg) !important;
    box-shadow: 0 2px 10px var(--shadow-color);
    padding: 1rem 0;
}

.navbar-brand {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    font-size: 1.5rem;
    color: var(--text-light) !important;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.navbar-nav .nav-link {
    color: var(--text-light) !important;
    font-weight: 400;
    letter-spacing: 0.5px;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: #ffffff !important;
}

/* Cards */
.card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow-color);
    transition: all 0.3s ease;
    background-color: var(--card-bg);
}

.card:hover {
    box-shadow: 0 8px 30px rgba(139, 125, 107, 0.15);
    transform: translateY(-2px);
}

.card-header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    border-radius: 12px 12px 0 0 !important;
    font-family: 'Playfair Display', serif;
    font-weight: 500;
    color: var(--text-primary);
    padding: 1.5rem;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    letter-spacing: 0.5px;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 0.875rem;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-1px);
}

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

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

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

/* Tables */
.table {
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

.table th {
    border-top: none;
    font-family: 'Playfair Display', serif;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 1px;
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 1rem;
}

.table td {
    padding: 1rem;
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* Badges */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
}

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

.badge.bg-success {
    background-color: var(--success-color) !important;
}

.badge.bg-warning {
    background-color: var(--warning-color) !important;
    color: var(--text-primary) !important;
}

.badge.bg-danger {
    background-color: var(--danger-color) !important;
}

/* Alerts */
.alert {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    font-weight: 400;
}

/* Forms */
.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    background-color: var(--card-bg);
    color: var(--text-primary);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(139, 125, 107, 0.25);
    background-color: var(--card-bg);
}

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

.input-group-text {
    border-radius: 6px 0 0 6px;
    background-color: #f8f9fa;
    border-color: #ced4da;
}

/* Dashboard cards */
.dashboard-card {
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.dashboard-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px var(--shadow-color);
}

.dashboard-card .card-body {
    padding: 2rem;
}

.dashboard-card h5 {
    font-family: 'Playfair Display', serif;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

/* Statistics cards */
.stats-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-light);
    border: none;
    border-radius: 16px;
}

.stats-card .card-body {
    text-align: center;
    padding: 2.5rem 1.5rem;
}

.stats-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.stats-card p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 0;
}

/* Login page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--secondary-color) 100%);
}

.login-card {
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: 0 20px 60px var(--shadow-color);
    background-color: var(--card-bg);
}

/* Table responsive improvements */
.table-responsive {
    border-radius: 8px;
}

.table-hover tbody tr:hover {
    background-color: rgba(139, 125, 107, 0.05);
}

/* Button groups */
.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: 6px 0 0 6px;
}

.btn-group .btn:last-child {
    border-radius: 0 6px 6px 0;
}

/* Modal improvements - Tối ưu hiệu suất */
.modal {
    /* Sử dụng hardware acceleration để tránh lag */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.modal-content {
    border: none;
    border-radius: 10px;
    /* Tối ưu rendering */
    will-change: transform, opacity;
}

.modal-header {
    border-bottom: 1px solid #dee2e6;
    border-radius: 10px 10px 0 0;
}

.modal-footer {
    border-top: 1px solid #dee2e6;
    border-radius: 0 0 10px 10px;
}

/* Tối ưu animation cho modal */
.modal.fade .modal-dialog {
    transition: transform 0.2s ease-out;
}

.modal.show .modal-dialog {
    transform: none;
}

/* Loading spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Responsive improvements */
@media (max-width: 768px) {
    .card-body {
        padding: 1rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .btn-group {
        display: flex;
        flex-direction: column;
    }
    
    .btn-group .btn {
        border-radius: 6px;
        margin-bottom: 2px;
    }
}

/* Additional Components */
.dropdown-menu {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 8px 30px var(--shadow-color);
    background-color: var(--card-bg);
}

.dropdown-item {
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    font-weight: 400;
}

.dropdown-item:hover {
    background-color: var(--light-bg);
    color: var(--text-primary);
}

/* Page headers */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-light);
    padding: 3rem 0;
    margin-bottom: 2rem;
    border-radius: 0 0 20px 20px;
}

.page-header h1 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.page-header p {
    opacity: 0.9;
    font-size: 1.1rem;
}

/* Custom spacing */
.section-spacing {
    padding: 3rem 0;
}

.mb-custom {
    margin-bottom: 2rem;
}

/* Login page styles */
.login-card {
    border: none;
    border-radius: 16px;
    overflow: hidden;
    background: var(--card-bg);
    box-shadow: 0 10px 30px rgba(139, 125, 107, 0.15);
}

.login-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-light);
    padding: 1.5rem;
    border: none;
    font-family: 'Playfair Display', serif;
    letter-spacing: 0.5px;
}

.login-header h4 {
    font-weight: 600;
    margin: 0;
}

.login-logo {
    filter: drop-shadow(0 4px 8px rgba(139, 125, 107, 0.2));
    transition: transform 0.3s ease;
}

.login-logo:hover {
    transform: scale(1.05);
}

.login-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    color: var(--text-light);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.login-btn:hover {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 125, 107, 0.3);
    color: var(--text-light);
}

.login-btn:focus {
    box-shadow: 0 0 0 0.25rem rgba(139, 125, 107, 0.25);
    color: var(--text-light);
}

.login-footer {
    background-color: var(--background-color);
    color: var(--text-muted);
    border: none;
    padding: 1rem;
    font-style: italic;
}

.login-card .form-control {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    background-color: var(--card-bg);
}

.login-card .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(139, 125, 107, 0.15);
    background-color: var(--card-bg);
}

.login-card .input-group-text {
    background-color: var(--background-color);
    border: 2px solid var(--border-color);
    border-right: none;
    color: var(--primary-color);
    border-radius: 8px 0 0 8px;
}

.login-card .form-control {
    border-left: none;
    border-radius: 0 8px 8px 0;
}

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

/* Login page background */
body.login-page {
    background: linear-gradient(135deg, var(--background-color) 0%, #f0ede8 100%);
    min-height: 100vh;
}

/* Responsive design for login */
@media (max-width: 768px) {
    .login-logo {
        max-height: 60px !important;
    }

    .login-header {
        padding: 1rem;
    }

    .login-header h4 {
        font-size: 1.1rem;
    }
}

/* Layout optimizations - Full width design */
.container-fluid {
    width: 100% !important;
    max-width: none !important;
    padding-left: 0.5rem !important;
    padding-right: 0.5rem !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
}

/* Responsive padding for better mobile experience */
@media (min-width: 768px) {
    .container-fluid {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
}

@media (min-width: 992px) {
    .container-fluid {
        padding-left: 1.5rem !important;
        padding-right: 1.5rem !important;
    }
}

/* Optimized spacing for cards and tables */
.card {
    margin-bottom: 1.5rem;
}

.table-responsive {
    margin-bottom: 0;
}

/* Improved navbar spacing */
.navbar .container-fluid {
    padding-left: 0.5rem !important;
    padding-right: 0.5rem !important;
}

@media (min-width: 768px) {
    .navbar .container-fluid {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
}

@media (min-width: 992px) {
    .navbar .container-fluid {
        padding-left: 1.5rem !important;
        padding-right: 1.5rem !important;
    }
}

/* Dashboard grid improvements */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .dashboard-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    }
}

/* Table improvements for full width */
.table-container {
    width: 100%;
    overflow-x: auto;
}

.table {
    min-width: 800px;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .table {
        min-width: 600px;
        font-size: 0.875rem;
    }

    .table th,
    .table td {
        padding: 0.5rem;
    }
}

/* Form layout improvements */
.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-col {
    flex: 1;
    min-width: 200px;
}

@media (max-width: 768px) {
    .form-col {
        min-width: 100%;
    }
}

/* Card header improvements */
.card-header {
    display: flex;
    justify-content: between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.card-header h5 {
    margin: 0;
    flex: 1;
}

/* Button group improvements */
.btn-toolbar {
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Full width utilities */
.full-width {
    width: 100% !important;
    max-width: none !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
}

/* Remove default Bootstrap margins */
.row {
    margin-left: 0 !important;
    margin-right: 0 !important;
}

.col, .col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
.col-7, .col-8, .col-9, .col-10, .col-11, .col-12,
.col-auto, .col-sm, .col-sm-1, .col-sm-2, .col-sm-3,
.col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8,
.col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm-auto,
.col-md, .col-md-1, .col-md-2, .col-md-3, .col-md-4,
.col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9,
.col-md-10, .col-md-11, .col-md-12, .col-md-auto,
.col-lg, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4,
.col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9,
.col-lg-10, .col-lg-11, .col-lg-12, .col-lg-auto,
.col-xl, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4,
.col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9,
.col-xl-10, .col-xl-11, .col-xl-12, .col-xl-auto {
    padding-left: 0.25rem !important;
    padding-right: 0.25rem !important;
}

@media (min-width: 768px) {
    .col, .col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
    .col-7, .col-8, .col-9, .col-10, .col-11, .col-12,
    .col-auto, .col-sm, .col-sm-1, .col-sm-2, .col-sm-3,
    .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8,
    .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm-auto,
    .col-md, .col-md-1, .col-md-2, .col-md-3, .col-md-4,
    .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9,
    .col-md-10, .col-md-11, .col-md-12, .col-md-auto,
    .col-lg, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4,
    .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9,
    .col-lg-10, .col-lg-11, .col-lg-12, .col-lg-auto,
    .col-xl, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4,
    .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9,
    .col-xl-10, .col-xl-11, .col-xl-12, .col-xl-auto {
        padding-left: 0.5rem !important;
        padding-right: 0.5rem !important;
    }
}

/* Spacing utilities */
.mt-4 {
    margin-top: 1.5rem !important;
}

/* Print styles */
@media print {
    .navbar, .btn, .modal, .alert {
        display: none !important;
    }

    .card {
        border: 1px solid #000;
        box-shadow: none;
        margin-bottom: 1rem;
    }

    .table {
        font-size: 12px;
    }

    .container-fluid {
        max-width: 100% !important;
        padding: 0 !important;
    }
}

/* ===== EXPANDABLE CELL - Mở rộng/thu gọn nội dung ===== */
.expandable-cell {
    padding: 0.5rem 0.75rem !important;
    vertical-align: top !important;
}

.expandable-cell .cell-content {
    max-height: 4.5em !important;
    overflow: hidden !important;
    line-height: 1.5em !important;
}

.expandable-cell .cell-content .name-item {
    color: #c0392b;
    font-weight: 600;
}

.expandable-cell.expanded .cell-content {
    max-height: none !important;
}

.expandable-cell.has-overflow {
    cursor: pointer !important;
}

.expandable-cell.has-overflow:hover {
    background-color: rgba(192, 57, 43, 0.08) !important;
}

.expandable-cell.expanded {
    background-color: rgba(192, 57, 43, 0.03);
}