/* ============================================================
   PestSolution — Design System
   ============================================================ */

/* --- CSS Variables --- */
:root {
	--primary: #4CAF50;
	--primary-dark: #388E3C;
	--primary-light: #E8F5E9;
	--black: #1A1A1A;
	--gray-dark: #333333;
	--gray-medium: #6B6B6B;
	--gray-light: #E0E0E0;
	--bg: #FFFFFF;
	--bg-alt: #F5F5F5;
	--danger: #D32F2F;
	--danger-light: #FDECEA;
	--warning: #F9A825;
	--warning-light: #FFF8E1;
	--success: #4CAF50;
	--success-light: #E8F5E9;

	--font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
	--font-size: 15px;
	--line-height: 1.6;
	--radius-sm: 4px;
	--radius-md: 8px;
	--shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
	--shadow-modal: 0 8px 32px rgba(0, 0, 0, 0.16);
	--transition: all 0.2s ease;

	--sidebar-width: 260px;
	--header-height: 60px;
}

/* --- Reset --- */
*,
*::before,
*::after {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

/* --- Base --- */
html {
	font-size: var(--font-size);
}

body {
	font-family: var(--font-family);
	color: var(--gray-dark);
	background: var(--bg-alt);
	line-height: var(--line-height);
	min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
	color: var(--black);
	font-weight: 700;
}

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

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

a:hover {
	color: var(--primary-dark);
}

/* --- Layout --- */
.app-wrapper {
	display: flex;
	min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
	width: var(--sidebar-width);
	background: var(--black);
	color: #FFFFFF;
	display: flex;
	flex-direction: column;
	position: fixed;
	top: 0;
	left: 0;
	bottom: 0;
	z-index: 100;
	transition: transform 0.3s ease;
}

.sidebar-header {
	padding: 20px;
	display: flex;
	align-items: center;
	gap: 12px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header img {
	width: 40px;
	height: 40px;
	border-radius: var(--radius-sm);
}

.sidebar-header h1 {
	color: #FFFFFF;
	font-size: 1.2rem;
	font-weight: 700;
}

.sidebar-nav {
	flex: 1;
	overflow-y: auto;
	padding: 12px 0;
}

.sidebar-nav a {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 10px 20px;
	color: rgba(255, 255, 255, 0.7);
	font-size: 0.9rem;
	transition: var(--transition);
	border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
	color: #FFFFFF;
	background: rgba(255, 255, 255, 0.05);
}

.sidebar-nav a.active {
	color: #FFFFFF;
	background: rgba(76, 175, 80, 0.15);
	border-left-color: var(--primary);
}

.sidebar-nav a i {
	width: 20px;
	text-align: center;
	font-size: 1rem;
}

.nav-section-label {
	padding: 16px 20px 6px;
	font-size: 0.7rem;
	text-transform: uppercase;
	letter-spacing: 1px;
	color: rgba(255, 255, 255, 0.35);
}

.sidebar-footer {
	padding: 16px 20px;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	display: flex;
	align-items: center;
	gap: 10px;
}

.sidebar-footer .user-avatar {
	width: 32px;
	height: 32px;
	border-radius: 50%;
	background: var(--primary);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 0.8rem;
	font-weight: 700;
	color: #FFFFFF;
}

.sidebar-footer .user-info {
	flex: 1;
	overflow: hidden;
}

.sidebar-footer .user-name {
	font-size: 0.85rem;
	font-weight: 600;
	color: #FFFFFF;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.sidebar-footer .user-role {
	font-size: 0.75rem;
	color: rgba(255, 255, 255, 0.5);
}

/* --- Main Content --- */
.main-content {
	flex: 1;
	margin-left: var(--sidebar-width);
	display: flex;
	flex-direction: column;
	min-height: 100vh;
}

/* --- Top Header --- */
.top-header {
	height: var(--header-height);
	background: var(--bg);
	border-bottom: 1px solid var(--gray-light);
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 0 24px;
	position: sticky;
	top: 0;
	z-index: 50;
}

.top-header-left {
	display: flex;
	align-items: center;
	gap: 16px;
}

.top-header-left h2 {
	font-size: 1.15rem;
}

.menu-toggle {
	display: none;
	background: none;
	border: none;
	font-size: 1.3rem;
	cursor: pointer;
	color: var(--gray-dark);
	padding: 4px;
}

.top-header-right {
	display: flex;
	align-items: center;
	gap: 12px;
}

/* --- Page Content --- */
.page-content {
	flex: 1;
	padding: 24px;
}

/* --- Cards --- */
.card {
	background: var(--bg);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-card);
	padding: 24px;
	margin-bottom: 16px;
}

.card-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 16px;
	padding-bottom: 12px;
	border-bottom: 1px solid var(--gray-light);
}

.card-header h3 {
	font-size: 1.1rem;
}

/* --- KPI Cards --- */
.kpi-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 16px;
	margin-bottom: 24px;
}

.kpi-card {
	background: var(--bg);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-card);
	padding: 20px;
	display: flex;
	align-items: center;
	gap: 16px;
}

.kpi-icon {
	width: 48px;
	height: 48px;
	border-radius: var(--radius-sm);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.3rem;
}

.kpi-icon.green {
	background: var(--primary-light);
	color: var(--primary);
}

.kpi-icon.red {
	background: var(--danger-light);
	color: var(--danger);
}

.kpi-icon.yellow {
	background: var(--warning-light);
	color: var(--warning);
}

.kpi-value {
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--black);
}

.kpi-label {
	font-size: 0.8rem;
	color: var(--gray-medium);
}

/* --- Buttons --- */
.btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 8px 16px;
	font-family: var(--font-family);
	font-size: 0.9rem;
	font-weight: 500;
	border: none;
	border-radius: var(--radius-sm);
	cursor: pointer;
	transition: var(--transition);
	text-decoration: none;
	line-height: 1.4;
}

.btn:hover {
	transform: translateY(-1px);
}

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

.btn-primary:hover {
	background: var(--primary-dark);
	color: #FFFFFF;
}

.btn-outline {
	background: transparent;
	color: var(--primary);
	border: 1px solid var(--primary);
}

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

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

.btn-danger:hover {
	background: #B71C1C;
}

.btn-sm {
	padding: 4px 10px;
	font-size: 0.8rem;
}

.btn:disabled,
.btn.disabled {
	background: var(--gray-light);
	color: var(--gray-medium);
	cursor: not-allowed;
	transform: none;
}

.btn-group {
	display: inline-flex;
}

.btn-group .btn {
	border-radius: 0;
}

.btn-group .btn:first-child {
	border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.btn-group .btn:last-child {
	border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.btn-group .btn + .btn {
	border-left: 1px solid rgba(255, 255, 255, 0.2);
}

/* --- Tables --- */
.table-wrapper {
	overflow-x: auto;
}

table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.9rem;
}

thead th {
	background: var(--bg-alt);
	color: var(--gray-dark);
	font-weight: 600;
	padding: 10px 12px;
	text-align: left;
	border-bottom: 2px solid var(--gray-light);
	white-space: nowrap;
}

tbody td {
	padding: 10px 12px;
	border-bottom: 1px solid var(--gray-light);
	vertical-align: middle;
}

tbody tr:hover {
	background: var(--bg-alt);
}

tbody tr:nth-child(even) {
	background: rgba(0, 0, 0, 0.01);
}

/* --- Forms --- */
.form-group {
	margin-bottom: 16px;
}

.form-group label {
	display: block;
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--gray-dark);
	margin-bottom: 4px;
}

.form-control {
	width: 100%;
	padding: 8px 12px;
	font-family: var(--font-family);
	font-size: 0.9rem;
	border: 1px solid var(--gray-light);
	border-radius: var(--radius-sm);
	background: var(--bg);
	color: var(--black);
	transition: var(--transition);
}

.form-control:focus {
	outline: none;
	border-color: var(--primary);
	box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.15);
}

.form-control::placeholder {
	color: var(--gray-medium);
}

select.form-control {
	appearance: none;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236B6B6B' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 12px center;
	padding-right: 36px;
}

textarea.form-control {
	resize: vertical;
	min-height: 80px;
}

.form-check {
	display: flex;
	align-items: center;
	gap: 8px;
	margin-bottom: 8px;
}

.form-check input[type="checkbox"] {
	accent-color: var(--primary);
	width: 16px;
	height: 16px;
}

.form-row {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 16px;
}

/* --- Badges --- */
.badge {
	display: inline-flex;
	align-items: center;
	padding: 2px 10px;
	font-size: 0.75rem;
	font-weight: 600;
	border-radius: 12px;
}

.badge-success {
	background: var(--success-light);
	color: var(--primary-dark);
}

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

.badge-warning {
	background: var(--warning-light);
	color: #E65100;
}

.badge-default {
	background: var(--bg-alt);
	color: var(--gray-dark);
}

/* --- Modal --- */
.modal-overlay {
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, 0.5);
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 1000;
	opacity: 0;
	visibility: hidden;
	transition: var(--transition);
}

.modal-overlay.active {
	opacity: 1;
	visibility: visible;
}

.modal {
	background: var(--bg);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-modal);
	width: 90%;
	max-width: 600px;
	max-height: 90vh;
	overflow-y: auto;
	transform: translateY(-20px);
	transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
	transform: translateY(0);
}

.modal-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 16px 24px;
	border-bottom: 1px solid var(--gray-light);
}

.modal-header h3 {
	font-size: 1.1rem;
}

.modal-close {
	background: none;
	border: none;
	font-size: 1.3rem;
	cursor: pointer;
	color: var(--gray-medium);
	padding: 4px;
	transition: var(--transition);
}

.modal-close:hover {
	color: var(--black);
}

.modal-body {
	padding: 24px;
}

.modal-footer {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: 8px;
	padding: 16px 24px;
	border-top: 1px solid var(--gray-light);
}

.modal-lg {
	max-width: 900px;
}

/* --- Tabs --- */
.tabs {
	display: flex;
	border-bottom: 2px solid var(--gray-light);
	gap: 0;
	margin-bottom: 24px;
}

.tab {
	padding: 10px 20px;
	font-size: 0.9rem;
	font-weight: 500;
	color: var(--gray-medium);
	background: none;
	border: none;
	border-bottom: 2px solid transparent;
	margin-bottom: -2px;
	cursor: pointer;
	transition: var(--transition);
}

.tab:hover {
	color: var(--gray-dark);
}

.tab.active {
	color: var(--primary);
	border-bottom-color: var(--primary);
}

.tab-content {
	display: none;
}

.tab-content.active {
	display: block;
}

/* --- Toast Notifications --- */
.toast-container {
	position: fixed;
	top: 20px;
	right: 20px;
	z-index: 2000;
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.toast {
	padding: 12px 20px;
	border-radius: var(--radius-sm);
	font-size: 0.9rem;
	box-shadow: var(--shadow-card);
	display: flex;
	align-items: center;
	gap: 10px;
	min-width: 280px;
	animation: toastIn 0.3s ease;
}

.toast-success {
	background: var(--success-light);
	color: var(--primary-dark);
	border-left: 4px solid var(--primary);
}

.toast-error {
	background: var(--danger-light);
	color: var(--danger);
	border-left: 4px solid var(--danger);
}

.toast-warning {
	background: var(--warning-light);
	color: #E65100;
	border-left: 4px solid var(--warning);
}

.toast.removing {
	animation: toastOut 0.3s ease forwards;
}

@keyframes toastIn {
	from {
		opacity: 0;
		transform: translateX(100px);
	}
	to {
		opacity: 1;
		transform: translateX(0);
	}
}

@keyframes toastOut {
	from {
		opacity: 1;
		transform: translateX(0);
	}
	to {
		opacity: 0;
		transform: translateX(100px);
	}
}

/* --- Pagination --- */
.pagination {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 4px;
	margin-top: 16px;
}

.pagination button {
	padding: 6px 12px;
	font-size: 0.85rem;
	border: 1px solid var(--gray-light);
	background: var(--bg);
	color: var(--gray-dark);
	border-radius: var(--radius-sm);
	cursor: pointer;
	transition: var(--transition);
}

.pagination button:hover {
	background: var(--bg-alt);
}

.pagination button.active {
	background: var(--primary);
	color: #FFFFFF;
	border-color: var(--primary);
}

.pagination button:disabled {
	opacity: 0.4;
	cursor: not-allowed;
}

/* --- Search & Filter Bar --- */
.filter-bar {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-bottom: 16px;
	flex-wrap: wrap;
}

.search-input {
	flex: 1;
	min-width: 200px;
}

/* --- Section Accent --- */
.section-title {
	font-size: 1.1rem;
	font-weight: 700;
	color: var(--black);
	padding-bottom: 8px;
	margin-bottom: 16px;
	border-bottom: 3px solid var(--primary);
}

/* --- Empty State --- */
.empty-state {
	text-align: center;
	padding: 48px 24px;
	color: var(--gray-medium);
}

.empty-state i {
	font-size: 2.5rem;
	margin-bottom: 12px;
	display: block;
}

/* --- Loading Spinner --- */
.spinner {
	display: inline-block;
	width: 20px;
	height: 20px;
	border: 2px solid var(--gray-light);
	border-top-color: var(--primary);
	border-radius: 50%;
	animation: spin 0.6s linear infinite;
}

@keyframes spin {
	to { transform: rotate(360deg); }
}

/* --- Login Page --- */
.login-page {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 100vh;
	background: var(--bg-alt);
}

.login-card {
	background: var(--bg);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-card);
	padding: 40px;
	width: 100%;
	max-width: 400px;
}

.login-card .logo {
	text-align: center;
	margin-bottom: 24px;
}

.login-card .logo img {
	width: 80px;
	height: 80px;
	border-radius: var(--radius-md);
}

.login-card .logo h2 {
	margin-top: 12px;
	font-size: 1.3rem;
}

.login-card .form-group {
	margin-bottom: 20px;
}

.login-card .btn-primary {
	width: 100%;
	padding: 12px;
	font-size: 1rem;
}

.login-error {
	background: var(--danger-light);
	color: var(--danger);
	padding: 10px 14px;
	border-radius: var(--radius-sm);
	font-size: 0.85rem;
	margin-bottom: 16px;
	display: none;
}

.login-error.visible {
	display: block;
}

/* --- Utilities --- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-medium); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.hidden { display: none; }

/* --- Responsive --- */
@media (max-width: 768px) {
	.sidebar {
		transform: translateX(-100%);
	}

	.sidebar.open {
		transform: translateX(0);
	}

	.main-content {
		margin-left: 0;
	}

	.menu-toggle {
		display: block;
	}

	.form-row {
		grid-template-columns: 1fr;
	}

	.kpi-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.filter-bar {
		flex-direction: column;
		align-items: stretch;
	}

	.modal {
		width: 95%;
		margin: 16px;
	}
}

@media (max-width: 480px) {
	.kpi-grid {
		grid-template-columns: 1fr;
	}

	.page-content {
		padding: 16px;
	}
}