html, body {
    font-family: 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    height: 100%;
    margin: 0;
}

h1:focus {
    outline: none;
}

a, .btn-link {
    color: #0d6efd;
}

/* ===== Layout ===== */
.app-layout {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px;
    min-width: 250px;
    background: #1e293b;
    color: #fff;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar-header {
    padding: 1.2rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.sidebar-link {
    color: rgba(255,255,255,0.75) !important;
    padding: 0.7rem 1.2rem !important;
    display: flex !important;
    align-items: center;
    gap: 0.6rem;
    border-left: 3px solid transparent;
    transition: all 0.15s;
}

.sidebar-link:hover {
    color: #fff !important;
    background: rgba(255,255,255,0.08);
}

.sidebar-link.active {
    color: #fff !important;
    background: rgba(255,255,255,0.12);
    border-left-color: #3b82f6;
}

.sidebar-link i {
    font-size: 1.1rem;
    width: 1.4rem;
    text-align: center;
}

/* Main area */
.main-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: #f1f5f9;
}

/* Top bar */
.top-bar {
    height: 56px;
    min-height: 56px;
    background: #fff;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
}

/* Content */
.content-area {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

/* ===== Login Layout ===== */
.login-layout {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 1rem;
}

.login-card {
    background: #fff;
    border-radius: 0.75rem;
    padding: 2.5rem 2rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

/* ===== KPI Cards ===== */
.kpi-card {
    background: #fff;
    border-radius: 0.5rem;
    padding: 1.25rem;
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.kpi-icon.green  { background: #dcfce7; color: #16a34a; }
.kpi-icon.blue   { background: #dbeafe; color: #2563eb; }
.kpi-icon.yellow { background: #fef9c3; color: #ca8a04; }
.kpi-icon.red    { background: #fee2e2; color: #dc2626; }
.kpi-icon.purple { background: #f3e8ff; color: #9333ea; }

.kpi-value {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.kpi-label {
    font-size: 0.85rem;
    color: #64748b;
}

/* ===== Tables ===== */
.table-card {
    background: #fff;
    border-radius: 0.5rem;
    border: 1px solid #e2e8f0;
    overflow: hidden;
}

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

.table-card .table th {
    background: #f8fafc;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    color: #64748b;
    border-bottom: 2px solid #e2e8f0;
}

.table-card .table td {
    vertical-align: middle;
}

.table-card .table tbody tr:hover {
    background: #f8fafc;
}

/* ===== Section headers ===== */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.section-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

/* ===== Vehicle photo thumbnail ===== */
.vehicle-photo {
    width: 48px;
    height: 48px;
    border-radius: 0.375rem;
    object-fit: cover;
    background: #e2e8f0;
}

/* ===== Detail page tabs ===== */
.detail-tabs .nav-link {
    color: #64748b;
}

.detail-tabs .nav-link.active {
    color: #1e293b;
    font-weight: 600;
}

/* ===== Alert cards ===== */
.alert-card {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-card i {
    color: #dc2626;
    font-size: 1.25rem;
}

/* ===== Blazor error UI ===== */
#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIG92ZXJmbG93PSJoaWRkZW4iPjxkZWZzPjxjbGlwUGF0aCBpZD0iY2xpcDAiPjxyZWN0IHg9IjIzNSIgeT0iNTEiIHdpZHRoPSI1NiIgaGVpZ2h0PSI0OSIvPjwvY2xpcFBhdGg+PC9kZWZzPjxnIGNsaXAtcGF0aD0idXJsKCNjbGlwMCkiIHRyYW5zZm9ybT0idHJhbnNsYXRlKC0yMzUgLTUxKSI+PHBhdGggZD0iTTI2My41MDYgNTFDMjY0LjcxNyA1MSAyNjUuODEzIDUxLjQ4MzcgMjY2LjYwNiA1Mi4yNjU4TDI2Ny4wNTIgNTIuNzk4NyAyNjcuNTM5IDUzLjYyODMgMjkwLjE4NSA5Mi4xODMxIDI5MC41NDUgOTIuNzk1IDI5MC42NTYgOTIuOTk2QzI5MC44NzcgOTMuNTEzIDI5MSA5NC4wODE1IDI5MSA5NC42NzgyIDI5MSA5Ny4wNjUxIDI4OS4wMzggOTkgMjg2LjYxNyA5OUwyNDAuMzgzIDk5QzIzNy45NjMgOTkgMjM2IDk3LjA2NTEgMjM2IDk0LjY3ODIgMjM2IDk0LjM3OTkgMjM2LjAzMSA5NC4wODg2IDIzNi4wODkgOTMuODA3MkwyMzYuMzM4IDkzLjAxNjIgMjM2Ljg1OCA5Mi4xMzE0IDI1OS40NzMgNTMuNjI5NCAyNTkuOTYxIDUyLjc5ODUgMjYwLjQwNyA1Mi4yNjU4QzI2MS4yIDUxLjQ4MzcgMjYyLjI5NiA1MSAyNjMuNTA2IDUxWk0yNjMuNTg2IDY2LjAxODNDMjYwLjczNyA2Ni4wMTgzIDI1OS4zMTMgNjcuMTI0NSAyNTkuMzEzIDY5LjMzNyAyNTkuMzEzIDY5LjYxMDIgMjU5LjMzMiA2OS44NjA4IDI1OS4zNzEgNzAuMDg4N0wyNjEuNzk1IDg0LjAxNjEgMjY1LjM4IDg0LjAxNjEgMjY3LjgyMSA2OS43NDc1QzI2Ny44NiA2OS43MzA5IDI2Ny44NzkgNjkuNTg3NyAyNjcuODc5IDY5LjMxNzkgMjY3Ljg3OSA2Ny4xMTgyIDI2Ni40NDggNjYuMDE4MyAyNjMuNTg2IDY2LjAxODNaTTI2My41NzYgODYuMDU0N0MyNjEuMDQ5IDg2LjA1NDcgMjU5Ljc4NiA4Ny4zMDA1IDI1OS43ODYgODkuNzkyMSAyNTkuNzg2IDkyLjI4MzcgMjYxLjA0OSA5My41Mjk1IDI2My41NzYgOTMuNTI5NSAyNjYuMTE2IDkzLjUyOTUgMjY3LjM4NyA5Mi4yODM3IDI2Ny4zODcgODkuNzkyMSAyNjcuMzg3IDg3LjMwMDUgMjY2LjExNiA4Ni4wNTQ3IDI2My41NzYgODYuMDU0N1oiIGZpbGw9IiNGRkU1MDAiIGZpbGwtcnVsZT0iZXZlbm9kZCIvPjwvZz48L3N2Zz4=) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "Ocorreu um erro."
}

/* ===== Form validation ===== */
.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid red;
}

.validation-message {
    color: red;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
        min-width: 60px;
    }

    .sidebar-header h4 {
        display: none;
    }

    .sidebar-link span,
    .sidebar-link::after {
        display: none;
    }

    .sidebar-link {
        justify-content: center;
        padding: 0.7rem 0 !important;
    }

    .sidebar-link i {
        margin: 0;
    }
}