/* ===== DESIGN SYSTEM ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary: #2563EB;
    --primary-light: #3B82F6;
    --primary-dark: #1D4ED8;
    --primary-50: #EFF6FF;
    --success: #10B981;
    --success-light: #D1FAE5;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --danger: #EF4444;
    --danger-light: #FEE2E2;
    --info: #6366F1;
    --info-light: #E0E7FF;

    --sidebar-bg: #0F172A;
    --sidebar-hover: #1E293B;
    --sidebar-active: #2563EB;
    --sidebar-text: #94A3B8;
    --sidebar-text-active: #FFFFFF;
    --sidebar-width: 260px;

    --bg: #F1F5F9;
    --bg-card: #FFFFFF;
    --text: #1E293B;
    --text-muted: #64748B;
    --text-light: #94A3B8;
    --border: #E2E8F0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --transition: all 0.2s ease;
}

* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:'Inter',sans-serif; background:var(--bg); color:var(--text); font-size:14px; line-height:1.6; min-height:100vh; }
a { text-decoration:none; color:var(--primary); }
a:hover { color:var(--primary-dark); }

/* ===== SIDEBAR ===== */
.sidebar {
    position:fixed; left:0; top:0; bottom:0; width:var(--sidebar-width);
    background:var(--sidebar-bg); z-index:1000; display:flex; flex-direction:column;
    transition:transform 0.3s ease; overflow-y:auto;
}
.sidebar-brand {
    padding:20px 24px; display:flex; align-items:center; gap:12px;
    border-bottom:1px solid rgba(255,255,255,0.08);
}
.sidebar-brand .brand-icon {
    width:40px; height:40px; background:linear-gradient(135deg,var(--primary),var(--info));
    border-radius:10px; display:flex; align-items:center; justify-content:center;
    color:#fff; font-size:18px; font-weight:700;
}
.sidebar-brand .brand-text { color:#fff; font-size:16px; font-weight:700; }
.sidebar-brand .brand-sub { color:var(--sidebar-text); font-size:11px; }

.sidebar-nav { padding:16px 12px; flex:1; }
.nav-section { margin-bottom:24px; }
.nav-section-title {
    font-size:11px; font-weight:600; text-transform:uppercase; letter-spacing:0.05em;
    color:var(--sidebar-text); padding:0 12px; margin-bottom:8px;
}
.nav-link {
    display:flex; align-items:center; gap:12px; padding:10px 12px; color:var(--sidebar-text);
    border-radius:var(--radius-sm); font-size:13.5px; font-weight:500; transition:var(--transition);
    margin-bottom:2px;
}
.nav-link:hover { background:var(--sidebar-hover); color:#E2E8F0; }
.nav-link.active { background:var(--sidebar-active); color:var(--sidebar-text-active); }
.nav-link i { width:20px; text-align:center; font-size:15px; }
.nav-link .badge-nav {
    margin-left:auto; background:var(--danger); color:#fff; font-size:11px;
    padding:1px 7px; border-radius:10px; font-weight:600;
}

/* ===== MAIN CONTENT ===== */
.main-content { margin-left:var(--sidebar-width); min-height:100vh; }

/* ===== TOPBAR ===== */
.topbar {
    background:var(--bg-card); border-bottom:1px solid var(--border); padding:0 28px;
    height:64px; display:flex; align-items:center; justify-content:space-between;
    position:sticky; top:0; z-index:100; box-shadow:var(--shadow-sm);
}
.topbar-left { display:flex; align-items:center; gap:16px; }
.topbar-left h1 { font-size:18px; font-weight:700; color:var(--text); }
.topbar-breadcrumb { display:flex; align-items:center; gap:8px; font-size:13px; color:var(--text-muted); }
.topbar-breadcrumb a { color:var(--text-muted); }
.topbar-breadcrumb a:hover { color:var(--primary); }
.topbar-right { display:flex; align-items:center; gap:16px; }
.topbar-search {
    position:relative;
}
.topbar-search input {
    padding:8px 12px 8px 36px; border:1px solid var(--border); border-radius:var(--radius-sm);
    font-size:13px; width:240px; background:var(--bg); transition:var(--transition);
    font-family:'Inter',sans-serif;
}
.topbar-search input:focus { outline:none; border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-50); width:300px; }
.topbar-search i { position:absolute; left:12px; top:50%; transform:translateY(-50%); color:var(--text-light); font-size:13px; }

.user-menu { display:flex; align-items:center; gap:10px; cursor:pointer; padding:6px 12px; border-radius:var(--radius-sm); transition:var(--transition); }
.user-menu:hover { background:var(--bg); }
.user-avatar {
    width:36px; height:36px; border-radius:50%; background:linear-gradient(135deg,var(--primary),var(--info));
    display:flex; align-items:center; justify-content:center; color:#fff; font-size:13px; font-weight:600;
}
.user-info .user-name { font-size:13px; font-weight:600; color:var(--text); }
.user-info .user-role { font-size:11px; color:var(--text-muted); text-transform:capitalize; }
.sidebar-toggle { display:none; background:none; border:none; font-size:20px; color:var(--text); cursor:pointer; }

/* ===== PAGE CONTENT ===== */
.page-content { padding:28px; }
.page-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:24px; flex-wrap:wrap; gap:12px; }
.page-header h2 { font-size:22px; font-weight:700; }
.page-header .subtitle { color:var(--text-muted); font-size:13px; margin-top:2px; }

/* ===== CARDS ===== */
.card {
    background:var(--bg-card); border-radius:var(--radius); box-shadow:var(--shadow);
    border:1px solid var(--border); overflow:hidden; transition:var(--transition);
}
.card:hover { box-shadow:var(--shadow-md); }
.card-header {
    padding:16px 20px; border-bottom:1px solid var(--border); display:flex;
    align-items:center; justify-content:space-between; background:var(--bg-card);
}
.card-header h3 { font-size:15px; font-weight:600; }
.card-body { padding:20px; }
.card-footer { padding:12px 20px; border-top:1px solid var(--border); background:#FAFBFC; }

/* ===== STAT CARDS ===== */
.stat-card {
    background:var(--bg-card); border-radius:var(--radius); padding:20px 24px;
    border:1px solid var(--border); box-shadow:var(--shadow); transition:var(--transition);
    position:relative; overflow:hidden;
}
.stat-card:hover { transform:translateY(-2px); box-shadow:var(--shadow-lg); }
.stat-card .stat-icon {
    width:48px; height:48px; border-radius:12px; display:flex; align-items:center;
    justify-content:center; font-size:20px; margin-bottom:12px;
}
.stat-card .stat-icon.blue { background:var(--primary-50); color:var(--primary); }
.stat-card .stat-icon.green { background:var(--success-light); color:var(--success); }
.stat-card .stat-icon.amber { background:var(--warning-light); color:var(--warning); }
.stat-card .stat-icon.red { background:var(--danger-light); color:var(--danger); }
.stat-card .stat-icon.purple { background:var(--info-light); color:var(--info); }
.stat-card .stat-value { font-size:28px; font-weight:800; color:var(--text); line-height:1.2; }
.stat-card .stat-label { font-size:13px; color:var(--text-muted); font-weight:500; margin-top:2px; }

/* ===== BUTTONS ===== */
.btn { display:inline-flex; align-items:center; gap:8px; padding:9px 18px; border-radius:var(--radius-sm); font-size:13px; font-weight:600; border:none; cursor:pointer; transition:var(--transition); font-family:'Inter',sans-serif; text-decoration:none; }
.btn i { font-size:14px; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-dark); color:#fff; transform:translateY(-1px); box-shadow:var(--shadow-md); }
.btn-success { background:var(--success); color:#fff; }
.btn-success:hover { background:#059669; color:#fff; }
.btn-warning { background:var(--warning); color:#fff; }
.btn-warning:hover { background:#D97706; color:#fff; }
.btn-danger { background:var(--danger); color:#fff; }
.btn-danger:hover { background:#DC2626; color:#fff; }
.btn-outline { background:transparent; border:1px solid var(--border); color:var(--text); }
.btn-outline:hover { background:var(--bg); border-color:var(--text-light); transform:translateY(-1px); box-shadow:var(--shadow-md); }
.btn-icon-success i { color:var(--success) !important; }
.btn-icon-danger i { color:var(--danger) !important; }
.btn-icon-warning i { color:var(--warning) !important; }
.btn-sm { padding:6px 12px; font-size:12px; }
.btn-lg { padding:12px 24px; font-size:15px; }
.btn-icon { padding:8px; width:36px; height:36px; justify-content:center; }
.btn-icon.btn-sm { width:30px; height:30px; padding:4px; }

/* ===== TABLES ===== */
.table-wrapper { overflow-x:auto; }
table { width:100%; border-collapse:collapse; }
table th { padding:12px 16px; text-align:left; font-size:12px; font-weight:600; text-transform:uppercase; letter-spacing:0.03em; color:var(--text-muted); background:var(--bg); border-bottom:2px solid var(--border); white-space:nowrap; }
table td { padding:12px 16px; border-bottom:1px solid var(--border); font-size:13px; vertical-align:middle; }
table tbody tr { transition:var(--transition); }
table tbody tr:hover { background:var(--primary-50); }
table tbody tr:last-child td { border-bottom:none; }

/* ===== BADGES ===== */
.badge { display:inline-flex; align-items:center; gap:4px; padding:3px 10px; border-radius:20px; font-size:11px; font-weight:600; white-space:nowrap; }
.badge-success { background:var(--success-light); color:#065F46; }
.badge-warning { background:var(--warning-light); color:#92400E; }
.badge-danger { background:var(--danger-light); color:#991B1B; }
.badge-info { background:var(--info-light); color:#3730A3; }
.badge-primary { background:var(--primary-50); color:var(--primary-dark); }
.badge-secondary { background:#F1F5F9; color:#475569; }

/* ===== FORMS ===== */
.form-group { margin-bottom:18px; }
.form-label { display:block; font-size:13px; font-weight:600; color:var(--text); margin-bottom:6px; }
.form-label .required { color:var(--danger); }
.form-control {
    width:100%; padding:10px 14px; border:1px solid var(--border); border-radius:var(--radius-sm);
    font-size:13px; color:var(--text); background:var(--bg-card); transition:var(--transition);
    font-family:'Inter',sans-serif;
}
.form-control:focus { outline:none; border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-50); }
.form-control.is-invalid { border-color:var(--danger); }
.invalid-feedback { color:var(--danger); font-size:12px; margin-top:4px; }
.form-hint { font-size:12px; color:var(--text-muted); margin-top:4px; }
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='%2364748B' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 12px center; padding-right:36px; }
textarea.form-control { min-height:80px; resize:vertical; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }

/* ===== ALERTS / TOAST ===== */
.alert { padding:14px 18px; border-radius:var(--radius-sm); margin-bottom:16px; font-size:13px; font-weight:500; display:flex; align-items:center; gap:10px; animation:slideDown 0.3s ease; }
.alert-success { background:var(--success-light); color:#065F46; border:1px solid #A7F3D0; }
.alert-danger { background:var(--danger-light); color:#991B1B; border:1px solid #FECACA; }
.alert-warning { background:var(--warning-light); color:#92400E; border:1px solid #FDE68A; }
.alert-info { background:var(--info-light); color:#3730A3; border:1px solid #C7D2FE; }
@keyframes slideDown { from{opacity:0;transform:translateY(-10px)} to{opacity:1;transform:translateY(0)} }

/* ===== TABS ===== */
.tabs { display:flex; border-bottom:2px solid var(--border); margin-bottom:24px; gap:0; overflow-x:auto; }
.tab-link { padding:12px 20px; font-size:13px; font-weight:600; color:var(--text-muted); border-bottom:2px solid transparent; margin-bottom:-2px; cursor:pointer; transition:var(--transition); white-space:nowrap; background:none; border-top:none; border-left:none; border-right:none; font-family:'Inter',sans-serif; }
.tab-link:hover { color:var(--text); }
.tab-link.active { color:var(--primary); border-bottom-color:var(--primary); }
.tab-content { display:none; animation:fadeIn 0.3s ease; }
.tab-content.active { display:block; }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }

/* ===== PAGINATION ===== */
.pagination { display:flex; align-items:center; gap:4px; justify-content:center; padding:16px 0; }
.pagination a, .pagination span { padding:8px 14px; border-radius:var(--radius-xs); font-size:13px; font-weight:500; transition:var(--transition); }
.pagination a { color:var(--text-muted); border:1px solid var(--border); }
.pagination a:hover { background:var(--primary-50); color:var(--primary); border-color:var(--primary); }
.pagination .active span { background:var(--primary); color:#fff; border:1px solid var(--primary); }
.pagination .disabled span { color:var(--text-light); border:1px solid var(--border); cursor:default; }

/* ===== FILTER BAR ===== */
.filter-bar { display:flex; flex-wrap:wrap; gap:12px; margin-bottom:20px; align-items:flex-end; }
.filter-bar .form-group { margin-bottom:0; }
.filter-bar .form-control { min-width:160px; padding:8px 12px; font-size:13px; }

/* ===== GRID ===== */
.grid-2 { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }

/* ===== PHOTO GALLERY ===== */
.photo-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(180px,1fr)); gap:16px; }
.photo-card { border-radius:var(--radius-sm); overflow:hidden; position:relative; aspect-ratio:1; border:1px solid var(--border); }
.photo-card img { width:100%; height:100%; object-fit:cover; transition:var(--transition); }
.photo-card:hover img { transform:scale(1.05); }
.photo-card .photo-overlay { position:absolute; bottom:0; left:0; right:0; padding:8px 12px; background:linear-gradient(transparent,rgba(0,0,0,0.7)); color:#fff; }
.photo-card .photo-category { font-size:10px; font-weight:600; text-transform:uppercase; letter-spacing:0.05em; }
.photo-card .photo-actions { position:absolute; top:8px; right:8px; opacity:0; transition:var(--transition); }
.photo-card:hover .photo-actions { opacity:1; }

/* ===== EMPTY STATE ===== */
.empty-state { text-align:center; padding:48px 20px; color:var(--text-muted); }
.empty-state i { font-size:48px; margin-bottom:16px; color:var(--text-light); }
.empty-state h4 { font-size:16px; font-weight:600; color:var(--text); margin-bottom:6px; }
.empty-state p { font-size:13px; max-width:360px; margin:0 auto 16px; }

/* ===== MODAL ===== */
.modal-backdrop { position:fixed; inset:0; background:rgba(0,0,0,0.5); z-index:2000; display:none; align-items:center; justify-content:center; animation:fadeIn 0.2s ease; }
.modal-backdrop.show { display:flex; }
.modal { background:var(--bg-card); border-radius:var(--radius); width:100%; max-width:560px; max-height:90vh; overflow-y:auto; box-shadow:var(--shadow-lg); }
.modal-header { padding:18px 24px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; }
.modal-header h3 { font-size:16px; font-weight:600; }
.modal-close { background:none; border:none; font-size:20px; color:var(--text-muted); cursor:pointer; padding:4px; }
.modal-body { padding:24px; }
.modal-footer { padding:16px 24px; border-top:1px solid var(--border); display:flex; justify-content:flex-end; gap:10px; }

/* ===== SKELETON LOADER ===== */
.skeleton { background:linear-gradient(90deg,#F1F5F9 25%,#E2E8F0 50%,#F1F5F9 75%); background-size:200% 100%; animation:shimmer 1.5s infinite; border-radius:var(--radius-xs); }
.skeleton-text { height:14px; margin-bottom:8px; }
.skeleton-title { height:20px; width:60%; margin-bottom:12px; }
.skeleton-card { height:120px; }
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* ===== DROPDOWN ===== */
.dropdown { position:relative; }
.dropdown-menu { position:absolute; right:0; top:100%; min-width:180px; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-sm); box-shadow:var(--shadow-lg); z-index:100; display:none; overflow:hidden; margin-top:4px; }
.dropdown-menu.show { display:block; animation:fadeIn 0.15s ease; }
.dropdown-item { display:flex; align-items:center; gap:10px; padding:10px 16px; font-size:13px; color:var(--text); transition:var(--transition); cursor:pointer; border:none; background:none; width:100%; text-align:left; font-family:'Inter',sans-serif; }
.dropdown-item:hover { background:var(--bg); }
.dropdown-item.text-danger { color:var(--danger); }
.dropdown-divider { border-top:1px solid var(--border); margin:4px 0; }

/* ===== RESPONSIVE ===== */
@media(max-width:1024px) {
    .grid-4 { grid-template-columns:repeat(2,1fr); }
    .grid-3 { grid-template-columns:repeat(2,1fr); }
}
@media(max-width:768px) {
    .sidebar { transform:translateX(-100%); }
    .sidebar.open { transform:translateX(0); }
    .main-content { margin-left:0; }
    .sidebar-toggle { display:block; }
    .topbar { padding:0 16px; }
    .page-content { padding:16px; }
    .grid-4,.grid-3,.grid-2 { grid-template-columns:1fr; }
    .form-row { grid-template-columns:1fr; }
    .topbar-search input { width:160px; }
    .topbar-search input:focus { width:200px; }
    .filter-bar { flex-direction:column; }
    .page-header { flex-direction:column; align-items:flex-start; }
    .user-info { display:none; }
}

/* ===== OVERLAY for mobile sidebar ===== */
.sidebar-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.5); z-index:999; display:none; }
.sidebar-overlay.show { display:block; }

/* ===== MISC ===== */
.text-muted { color:var(--text-muted); }
.text-danger { color:var(--danger); }
.text-success { color:var(--success); }
.text-warning { color:var(--warning); }
.text-primary { color:var(--primary); }
.fw-600 { font-weight:600; }
.fw-700 { font-weight:700; }
.mb-0 { margin-bottom:0; }
.mt-16 { margin-top:16px; }
.d-flex { display:flex; }
.gap-8 { gap:8px; }
.gap-12 { gap:12px; }
.align-center { align-items:center; }
.justify-between { justify-content:space-between; }
.w-100 { width:100%; }

/* Custom Implement Icon (Cultivator) */
.icon-implement {
    display: inline-block;
    width: 1.2em;
    height: 1.2em;
    vertical-align: middle;
    background-color: currentColor;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 512'%3E%3Cpath d='M320 0l-96 96h192zM608 96H32C14.3 96 0 110.3 0 128s14.3 32 32 32h576c17.7 0 32-14.3 32-32s-14.3-32-32-32zM96 160v192c0 17.7 14.3 32 32 32h32c17.7 0 32-14.3 32-32V160h-32v160h-32V160H96zm192 0v192c0 17.7 14.3 32 32 32h32c17.7 0 32-14.3 32-32V160h-32v160h-32V160h-32zm192 0v192c0 17.7 14.3 32 32 32h32c17.7 0 32-14.3 32-32V160h-32v160h-32V160h-32z'/%3E%3C/svg%3E") no-repeat center;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 512'%3E%3Cpath d='M320 0l-96 96h192zM608 96H32C14.3 96 0 110.3 0 128s14.3 32 32 32h576c17.7 0 32-14.3 32-32s-14.3-32-32-32zM96 160v192c0 17.7 14.3 32 32 32h32c17.7 0 32-14.3 32-32V160h-32v160h-32V160H96zm192 0v192c0 17.7 14.3 32 32 32h32c17.7 0 32-14.3 32-32V160h-32v160h-32V160h-32zm192 0v192c0 17.7 14.3 32 32 32h32c17.7 0 32-14.3 32-32V160h-32v160h-32V160h-32z'/%3E%3C/svg%3E") no-repeat center;
    -webkit-mask-size: contain;
    mask-size: contain;
}

.icon-tractor {
    display: inline-block;
    width: 1.2em;
    height: 1.2em;
    vertical-align: middle;
    background-color: currentColor;
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