:root {
    --sidebar-width: 240px;
    --sidebar-bg: #1a1f2e;
    --sidebar-text: #a8b2c8;
    --sidebar-active: #ffffff;
    --sidebar-hover-bg: rgba(255,255,255,0.07);
    --sidebar-section-label: #5a6478;
    --accent: #4f7ef8;
    --accent-hover: #3d6ce0;
    --bg-page: #f4f6fb;
    --card-bg: #ffffff;
    --border: #e5e9f0;
    --text-main: #1a1f2e;
    --text-muted: #6b7490;
}

html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-main);
    margin: 0;
    padding: 0;
}

/* ── Layout ── */
.page {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
}

main {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
}

.content {
    padding: 2rem;
}

/* ── Sidebar ── */
.sidebar-header {
    padding: 1.5rem 1.25rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: #ffffff;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.3px;
}

.sidebar-brand:hover {
    color: #ffffff;
    text-decoration: none;
}

.sidebar-brand-icon {
    font-size: 1.3rem;
}

.nav-scrollable {
    padding: 0.75rem 0;
    flex: 1;
    overflow-y: auto;
}

.nav-section-label {
    padding: 1rem 1.25rem 0.35rem;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--sidebar-section-label);
}

.nav-item {
    padding: 0 0.5rem;
}

.nav-link {
    display: block;
    padding: 0.5rem 0.85rem;
    border-radius: 6px;
    color: var(--sidebar-text) !important;
    font-size: 0.88rem;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}

.nav-link:hover {
    background: var(--sidebar-hover-bg);
    color: var(--sidebar-active) !important;
}

.nav-link.active {
    background: rgba(79, 126, 248, 0.18);
    color: var(--sidebar-active) !important;
    font-weight: 500;
}

/* ── Page header ── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.page-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-main);
}

.page-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0.2rem 0 0;
}

/* ── Card panel ── */
.card-panel {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem;
}

/* ── Table ── */
.table {
    font-size: 0.875rem;
    margin-bottom: 0;
}

.table thead th {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.65rem;
}

.table tbody tr {
    border-bottom: 1px solid var(--border);
}

.table tbody tr:last-child {
    border-bottom: none;
}

.table tbody tr:hover {
    background: #f8faff;
}

.table-footer {
    padding-top: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    margin-top: 0.5rem;
}

/* ── Search ── */
.search-input {
    max-width: 380px;
    font-size: 0.875rem;
    border-color: var(--border);
}

/* ── States ── */
.loading-state, .empty-state {
    padding: 2.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ── Modal overlay ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 14, 26, 0.45);
    z-index: 200;
    backdrop-filter: blur(2px);
}

/* ── Modal panel ── */
.modal-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 201;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.18);
    width: 100%;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.modal-panel-sm {
    max-width: 380px;
}

.modal-panel-lg {
    max-width: 760px;
}

.modal-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 1.4rem;
    border-bottom: 1px solid var(--border);
}

.modal-panel-header h5 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.btn-close-panel {
    background: none;
    border: none;
    font-size: 1rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
}

.btn-close-panel:hover {
    color: var(--text-main);
}

.modal-panel-body {
    padding: 1.25rem 1.4rem;
    overflow-y: auto;
    flex: 1;
}

.modal-panel-footer {
    padding: 0.9rem 1.4rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* ── Buttons ── */
.btn-primary {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 500;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn:focus, .btn:active:focus, .form-control:focus, .form-check-input:focus, .form-select:focus {
    box-shadow: 0 0 0 0.2rem rgba(79, 126, 248, 0.25);
}

/* ── Form ── */
.form-label {
    font-size: 0.825rem;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 0.35rem;
}

.form-control, .form-select {
    font-size: 0.875rem;
    border-color: var(--border);
    border-radius: 6px;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent);
}

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

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #dc3545;
    font-size: 0.8rem;
    margin-top: 0.2rem;
}

/* ── Stat box (CidadeDetalhe) ── */
.stat-box {
    background: var(--bg-page);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem 1.25rem;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-main);
}

/* ── Error UI ── */
#blazor-error-ui {
    background: #b32121;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0,0,0,0.2);
    color: white;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
    font-size: 0.875rem;
}

#blazor-error-ui .reload {
    color: #ffd;
    margin-left: 0.5rem;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    float: right;
    font-weight: bold;
}

.blazor-error-boundary {
    background: #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

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

h1:focus {
    outline: none;
}