:root {
	--dd-primary: #00B37E;
	--dd-accent: #FF7F50;
	--dd-bg: #f6f8fb;
	--dd-surface: #ffffff;
	--dd-text: #1f2937;
	--dd-muted: #6b7280;
	--dd-border: #e5e7eb;
	--dd-sidebar-bg: #1E1E2F;
	--dd-sidebar-text: #cbd5e1;
	--dd-radius: 12px;
	--dd-shadow: 0 6px 18px rgba(16,24,40,.06);
}

html, body { height: 100%; }
body { font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; background: var(--dd-bg); color: var(--dd-text); }

a { text-decoration: none; }

.dd-wrapper { min-height: 100vh; }

/* Sidebar */
.dd-sidebar { width: 260px; background: linear-gradient(180deg, #202237 0%, #151827 100%); color: var(--dd-sidebar-text); position: fixed; top: 0; left: 0; height: 100vh; overflow-y: auto; overflow-x: hidden; transition: width .25s ease, transform .25s ease; box-shadow: 0 10px 30px rgba(15,23,42,.35); border-right: 1px solid rgba(255,255,255,.05); z-index: 1050; }
.dd-content { margin-left: 260px; transition: margin-left .25s ease; }
.dd-sidebar.collapsed ~ .dd-content { margin-left: 76px; }
.dd-sidebar::-webkit-scrollbar { width: 6px; }
.dd-sidebar::-webkit-scrollbar-track { background: rgba(255,255,255,.05); }
.dd-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 3px; }
.dd-sidebar::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.15); }
.dd-sidebar .brand { display: flex; align-items: center; gap: .5rem; padding: 1rem 1.25rem; border-bottom: 1px solid rgba(255,255,255,.06); }
.dd-sidebar .brand img { width: 32px; height: 32px; }
.dd-sidebar .brand .title { font-weight: 700; color: #fff; }
.dd-nav { padding: .5rem; }
.dd-nav .nav-section { margin-bottom: 1.5rem; }
.dd-nav .nav-section-title { font-size: .7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: rgba(255,255,255,.5); padding: .5rem .75rem; margin-bottom: .25rem; }
.dd-nav .nav-link { color: var(--dd-sidebar-text); border-radius: 12px; padding: .625rem .75rem; display: flex; align-items: center; gap: .625rem; margin-bottom: .125rem; position: relative; border: 1px solid transparent; }
.dd-nav .nav-link .fa { width: 18px; text-align: center; }
.dd-nav .nav-link.active, .dd-nav .nav-link:hover { background: rgba(255,255,255,.09); color: #fff; border-color: rgba(255,255,255,.06); }
.dd-nav .nav-link.active::before { opacity: 1; }
.dd-sidebar.collapsed { width: 76px; }
.dd-sidebar.collapsed .nav-link span, .dd-sidebar.collapsed .brand .title, .dd-sidebar.collapsed .nav-section-title, .dd-sidebar.collapsed .dd-nav-group-title { display: none; }
.dd-sidebar.collapsed .dd-sidebar-search { display: none; }

.dd-sidebar-search {
	display: flex;
	align-items: center;
	gap: .5rem;
	padding: .75rem 1rem;
	border-bottom: 1px solid rgba(255,255,255,.06);
}
.dd-sidebar-search i { color: rgba(255,255,255,.5); font-size: 14px; }
.dd-sidebar-search input {
	width: 100%;
	border: 1px solid rgba(255,255,255,.08);
	border-radius: 10px;
	padding: .45rem .6rem;
	background: rgba(255,255,255,.06);
	color: #fff;
	font-size: .85rem;
}
.dd-sidebar-search input::placeholder { color: rgba(255,255,255,.45); }

.dd-nav-group { margin-bottom: .5rem; }
.dd-nav-group summary { list-style: none; }
.dd-nav-group summary::-webkit-details-marker { display: none; }
.dd-nav-group-title {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: .5rem;
	padding: .5rem .75rem;
	border-radius: 10px;
	color: rgba(255,255,255,.7);
	cursor: pointer;
	user-select: none;
}
.dd-nav-group-title i { width: 18px; text-align: center; }
.dd-nav-group-title span { flex: 1; }
.dd-nav-group-title::after {
	content: '';
	width: 6px;
	height: 6px;
	border-right: 2px solid rgba(255,255,255,.5);
	border-bottom: 2px solid rgba(255,255,255,.5);
	transform: rotate(-45deg);
	transition: transform .2s ease;
}
.dd-nav-group[open] .dd-nav-group-title {
	background: rgba(255,255,255,.06);
	color: #fff;
}
.dd-nav-group[open] .dd-nav-group-title::after { transform: rotate(45deg); }
.dd-nav-group-links { padding: .25rem 0 .5rem; }
.dd-nav-group-links .nav-link {
	padding: .5rem .75rem .5rem 2.1rem;
	border-radius: 10px;
	font-size: .88rem;
	opacity: .85;
}
.dd-nav-group-links .nav-link::before { left: 16px; height: 55%; }
.dd-nav-group-links .nav-link i { opacity: .75; }
.dd-nav-group-links .nav-link:hover { background: transparent; }
.dd-nav-group-links .nav-link.active { background: transparent; opacity: 1; color: #fff; }
.dd-nav-group-links .nav-link + .nav-link { margin-top: 2px; }
.dd-nav-group-links .nav-link::after {
	content: '';
	position: absolute;
	left: 18px;
	top: 50%;
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: rgba(255,255,255,.25);
	transform: translateY(-50%);
}
.dd-nav-group-links .nav-link.active::after { background: var(--dd-primary); }

/* Topbar */
.dd-topbar { position: sticky; top: 0; z-index: 1020; background: var(--dd-surface); border-bottom: 1px solid var(--dd-border); }
.dd-topbar .inner { display: flex; align-items: center; gap: .75rem; padding: .5rem 1rem; }
.dd-topbar .search { flex: 1; }
.dd-topbar-left { display: flex; align-items: center; gap: .5rem; }
.dd-topbar-title { font-weight: 600; color: var(--dd-text); }
.dd-topbar-actions { display: flex; align-items: center; gap: .5rem; }
:root:not([data-theme="dark"]) .dd-topbar .btn-outline-secondary:hover,
:root:not([data-theme="dark"]) .dd-topbar .btn-outline-secondary:active,
:root:not([data-theme="dark"]) .dd-topbar .btn-outline-secondary.show,
:root:not([data-theme="dark"]) .dd-topbar .btn-check:checked + .btn-outline-secondary {
	color: #111;
	background-color: #eef2f7;
	border-color: #d0d7e2;
}

/* Topbar icon buttons */
.dd-icon-btn {
	width: 40px;
	height: 40px;
	padding: 0;
	border-radius: 12px;
	border: 1px solid var(--dd-border);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	position: relative;
	overflow: hidden;
	background: #fff;
	box-shadow: 0 2px 6px rgba(15,23,42,.08), inset 0 1px 0 rgba(255,255,255,.5);
	transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background-color .15s ease;
}
.dd-icon-btn.dd-icon-lang { padding: 0 10px; width: auto; gap: 6px; }
.dd-icon-btn.dd-icon-lang span { font-weight: 600; letter-spacing: .02em; }
.dd-icon-btn::after { display: none; }
.dd-icon-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 10px rgba(15,23,42,.12), inset 0 1px 0 rgba(255,255,255,.6); }
.dd-icon-btn:active { transform: translateY(0); }
.dd-icon-btn i { font-size: 16px; }

.dd-icon-lang {
	background: linear-gradient(135deg, #eaf6ff 0%, #d8efff 100%);
	color: #075985;
}
.dd-icon-lang::before { display: none; }

.dd-icon-notif {
	background: linear-gradient(135deg, #fff1e6 0%, #ffe1c8 100%);
	color: #7c2d12;
}
.dd-icon-notif::before { display: none; }
.dd-icon-notif .badge { border: 2px solid var(--dd-surface); }
.dd-icon-lang:hover { background: linear-gradient(135deg, #dff1ff 0%, #cbe8ff 100%); }
.dd-icon-notif:hover { background: linear-gradient(135deg, #ffe8d6 0%, #ffd7b7 100%); }

/* Cards */
.dd-card { border: 1px solid var(--dd-border); border-radius: var(--dd-radius); box-shadow: var(--dd-shadow); }
.dd-card .card-header { background: transparent; border-bottom: 1px solid var(--dd-border); }
.dd-kpi-icon { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 10px; }

/* Map */
.dd-map { width: 100%; height: 300px; border-radius: var(--dd-radius); border: 1px solid var(--dd-border); }
.dd-map-filters { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.dd-map-selects { display: flex; flex-wrap: nowrap; gap: .5rem; align-items: center; }
.dd-map-selects .form-select { min-width: 140px; flex: 1 1 140px; }
.dd-map-toggles { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; padding: .25rem .5rem; border: 1px solid var(--dd-border); border-radius: 10px; background: #f8fafc; }
.dd-map-toggles .form-check { margin-bottom: 0; }
.dd-map-footer { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: space-between; align-items: center; background: #f8fafc; }
.dd-map-stats { display: flex; flex-wrap: wrap; gap: .5rem; }
.dd-map-pill { display: inline-flex; align-items: center; gap: .35rem; padding: .2rem .55rem; border-radius: 999px; background: #fff; border: 1px solid var(--dd-border); font-size: .78rem; color: var(--dd-text); }
.dd-map-pill > span:first-child { font-weight: 700; }
.dd-map-pill-label { color: var(--dd-muted); }
.dd-map-updated { font-size: .78rem; color: var(--dd-muted); }

/* Footer */
.dd-footer { padding: 1rem; color: var(--dd-muted); }

/* Breadcrumb */
.breadcrumb { margin: 0; }

/* Utilities */
.dd-badge-dot { position: relative; }

/* Mobile nav + overlay */
.dd-sidebar-overlay { position: fixed; inset: 0; background: rgba(15,23,42,.45); opacity: 0; visibility: hidden; transition: opacity .2s ease, visibility .2s ease; z-index: 1040; }
.dd-sidebar-overlay.show { opacity: 1; visibility: visible; }
.dd-mobile-nav { position: fixed; left: 0; right: 0; bottom: 0; display: none; height: 64px; padding-bottom: env(safe-area-inset-bottom); background: var(--dd-surface); border-top: 1px solid var(--dd-border); z-index: 1030; align-items: center; justify-content: space-around; }
.dd-mobile-item { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; color: var(--dd-muted); font-size: 11px; text-decoration: none; position: relative; z-index: 0; }
.dd-mobile-item i { font-size: 18px; }
.dd-mobile-item > * { position: relative; z-index: 1; }
.dd-mobile-item.active { color: var(--dd-primary); }
.dd-mobile-item.active::after { content: ''; position: absolute; top: 6px; width: 22px; height: 22px; border-radius: 10px; background: rgba(0,179,126,.12); z-index: 0; }
.dd-mobile-menu { background: none; border: 0; padding: 0; }
.dd-mobile-badge { position: absolute; top: 6px; right: 20px; font-size: 10px; padding: 2px 5px; border-radius: 999px; color: #fff; }

/* Theme toggle */
.dd-theme-toggle { display: flex; align-items: center; }
.dd-theme-btn {
	width: 38px;
	height: 38px;
	padding: 0;
	border-radius: 12px;
	border: 1px solid var(--dd-border);
	background: radial-gradient(120% 120% at 30% 20%, #fff2cc 0%, #ffd58c 35%, #ffb657 60%, #ff9240 100%);
	color: #7a3c00;
	display: grid;
	place-items: center;
	position: relative;
	overflow: hidden;
	box-shadow: 0 6px 14px rgba(255,140,59,.25), inset 0 1px 0 rgba(255,255,255,.45);
	transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.dd-theme-btn::after {
	content: '';
	position: absolute;
	inset: 0;
	background: radial-gradient(60% 60% at 70% 25%, rgba(255,255,255,.65), rgba(255,255,255,0) 65%);
	opacity: .7;
	pointer-events: none;
}
.dd-theme-btn:hover { transform: translateY(-1px); box-shadow: 0 8px 16px rgba(255,140,59,.32), inset 0 1px 0 rgba(255,255,255,.5); }
.dd-theme-btn:active { transform: translateY(0); }
.dd-theme-btn:focus-visible { outline: none; box-shadow: 0 0 0 .2rem rgba(255,153,51,.25); }
.dd-theme-icon {
	position: absolute;
	font-size: 16px;
	transition: transform .35s ease, opacity .35s ease;
}
.dd-theme-btn[data-theme="light"] .dd-theme-sun { opacity: 1; transform: scale(1) rotate(0deg); }
.dd-theme-btn[data-theme="light"] .dd-theme-moon { opacity: 0; transform: scale(.4) rotate(-50deg); }
.dd-theme-btn[data-theme="dark"] .dd-theme-sun { opacity: 0; transform: scale(.4) rotate(50deg); }
.dd-theme-btn[data-theme="dark"] .dd-theme-moon { opacity: 1; transform: scale(1) rotate(0deg); }

/* Animations */
.dd-animate-collapse { transition: all .25s ease; }

/* Auth pages */
.dd-auth { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(135deg, rgba(0,179,126,.08), rgba(255,127,80,.08)); }
.dd-auth .card { border-radius: 16px; box-shadow: var(--dd-shadow); }

/* Responsive */
@media (max-width: 991.98px) {
	.dd-content { margin-left: 0; padding-bottom: 80px; }
	.dd-sidebar { transform: translateX(-100%); }
	.dd-sidebar.open { transform: translateX(0); }
	.dd-sidebar.collapsed { width: 260px; }
	.dd-sidebar.collapsed ~ .dd-content { margin-left: 0; }
	.dd-topbar .inner { flex-wrap: wrap; gap: .5rem; }
	.dd-topbar-actions { margin-left: auto; }
	.dd-mobile-nav { display: flex; }
	#notificationsDropdown .dropdown-menu,
	#userMenuBtn + .dropdown-menu,
	#langSwitcherBtn + .dropdown-menu { max-width: 92vw; }
	.dd-map-selects { flex-wrap: wrap; }
	.dd-map-toggles { width: 100%; justify-content: space-between; }
}

@media (max-width: 767.98px) {
	.dd-card .card-header { flex-wrap: wrap; gap: .5rem; }
	.table-responsive { overflow-x: auto; }
	.table { display: block; width: 100%; overflow-x: auto; }
	.table > :not(caption) > * > * { white-space: nowrap; }
	.input-group { flex-wrap: wrap; }
	.input-group > .form-control,
	.input-group > .form-select,
	.input-group > .input-group-text,
	.input-group > .btn { width: 100%; border-radius: var(--dd-radius); }
	.input-group > :not(:first-child) { margin-top: .5rem; }
	.dd-map { height: 320px !important; }
	#map { height: 320px !important; }
	#gpsMap { height: 320px !important; }
	canvas { max-width: 100%; }
	.modal-dialog { margin: .5rem; max-width: calc(100% - 1rem); }
}

@media (max-width: 575.98px) {
	.dd-topbar-actions { flex-wrap: wrap; justify-content: flex-end; }
	.dd-topbar-actions .btn { padding: .375rem .5rem; }
	#langSwitcherBtn span { display: none; }
	.dd-icon-btn.dd-icon-lang { width: 40px; padding: 0; }
}