:root{--color-bg: #f5f6fa;--color-surface: #ffffff;--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-danger: #dc2626;--color-danger-hover: #b91c1c;--color-success: #16a34a;--color-text: #1f2937;--color-text-muted: #6b7280;--color-border: #e5e7eb;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow: 0 1px 3px rgba(0, 0, 0, .1);--radius: 8px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.5}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.layout{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--color-surface);box-shadow:var(--shadow);position:sticky;top:0;z-index:100}.nav{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.5rem;max-width:1400px;margin:0 auto;flex-wrap:wrap;gap:1rem}.nav-brand{font-weight:700;font-size:1.25rem;color:var(--color-text);text-decoration:none}.nav-brand:hover{text-decoration:none;color:var(--color-primary)}.nav-links{display:flex;gap:1.5rem;align-items:center}.nav-links a{color:var(--color-text);text-decoration:none;font-weight:500}.nav-links a:hover{color:var(--color-primary)}.nav-user{display:flex;align-items:center;gap:.5rem}.user-name{font-weight:500}.user-role{font-size:.875rem;color:var(--color-text-muted)}.main{flex:1;padding:1.5rem;max-width:1400px;margin:0 auto;width:100%}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;font-size:.875rem;font-weight:500;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;transition:background .15s,color 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td{background:#f9fafb}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}.page-title{font-size:1.5rem;font-weight:700;margin:0}.page-loading,.empty-state,.error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem 2rem;text-align:center}.spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state p,.error-state p{color:var(--color-text-muted);margin:.5rem 0}.alert{padding:.75rem 1rem;border-radius:var(--radius);margin-bottom:1rem}.alert-info{background:#dbeafe;color:#1e40af}.alert-error{background:#fee2e2;color:#b91c1c}.alert-success{background:#dcfce7;color:#15803d}.vehicle-photo{width:64px;height:64px;object-fit:cover;border-radius:var(--radius);background:var(--color-border)}.vehicle-photo-lg{width:200px;height:150px;object-fit:cover;border-radius:var(--radius);background:var(--color-border)}.photo-placeholder{width:64px;height:64px;background:var(--color-border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);font-size:.75rem}.photo-placeholder-lg{width:200px;height:150px;background:var(--color-border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--color-text-muted)}.kanban-board{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;min-height:400px}@media (max-width: 900px){.kanban-board{grid-template-columns:1fr}}.kanban-column{background:#f1f5f9;border-radius:var(--radius);padding:1rem;min-height:200px}.kanban-column-title{font-weight:600;margin-bottom:.75rem;font-size:.875rem}.kanban-card{background:#fff;border-radius:var(--radius);padding:.75rem;margin-bottom:.5rem;box-shadow:var(--shadow-sm);cursor:grab}.kanban-card:active{cursor:grabbing}.kanban-card-title{font-weight:500;font-size:.875rem;margin:0 0 .25rem}.kanban-card-meta{font-size:.75rem;color:var(--color-text-muted)}.filter-bar{display:flex;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}.filter-bar input{flex:1;min-width:200px;padding:.5rem .75rem;border:1px solid var(--color-border);border-radius:var(--radius)}.audit-list{list-style:none;padding:0;margin:0}.audit-item{padding:.75rem;border-bottom:1px solid var(--color-border);font-size:.875rem}.audit-item:last-child{border-bottom:none}.audit-time{color:var(--color-text-muted);font-size:.75rem}