h1:focus {
    outline: none;
}

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

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

.validation-message {
    color: #e50000;
}

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

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

/* ---- Layout ---- */
:root {
    --brand: #1677ff;
    --border: #e5e7eb;
    --text-muted: #6b7280;
    --danger: #d4380d;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #1f2329;
    background: #f5f6f8;
}

.app-shell { display: flex; min-height: 100vh; }

.app-sider {
    width: 220px;
    flex-shrink: 0;
    background: #001529;
    color: #fff;
}

.app-sider .brand {
    padding: 16px;
    font-size: 18px;
    font-weight: 600;
    color: #fff;
}

.app-nav { list-style: none; margin: 0; padding: 8px 0; }

.app-nav a {
    display: block;
    padding: 10px 20px;
    color: rgba(255,255,255,.75);
    text-decoration: none;
}

.app-nav a:hover { color: #fff; background: rgba(255,255,255,.08); }
.app-nav a.active { color: #fff; background: var(--brand); }

.app-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.app-header {
    height: 56px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    color: var(--text-muted);
}

.app-content { margin: 24px; }

/* ---- Page header row ---- */
.page-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.page-header-row h3 { margin: 0; }

/* ---- Buttons ---- */
.btn {
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 6px;
    padding: 6px 14px;
    cursor: pointer;
    font-size: 14px;
}

.btn:hover { border-color: var(--brand); color: var(--brand); }
.btn:disabled { cursor: not-allowed; opacity: .6; }

.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover { opacity: .9; color: #fff; }
.btn-default { background: #fff; }
.btn-sm { padding: 2px 10px; font-size: 12px; }

/* ---- Table ---- */
.data-table { width: 100%; border-collapse: collapse; background: #fff; }
.data-table th {
    text-align: left;
    background: #fafafa;
    border-bottom: 1px solid var(--border);
    padding: 10px 12px;
    font-weight: 600;
}
.data-table td {
    border-bottom: 1px solid var(--border);
    padding: 10px 12px;
    vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table.small th, .data-table.small td { padding: 6px 10px; font-size: 13px; }

.action-link { color: var(--brand); cursor: pointer; text-decoration: none; margin-right: 12px; }
.action-link:hover { text-decoration: underline; }
.action-link.text-danger { color: var(--danger); }

.table-loading, .table-empty { padding: 24px; text-align: center; color: var(--text-muted); }

/* ---- Tag ---- */
.tag { display: inline-block; padding: 1px 8px; border-radius: 4px; font-size: 12px; border: 1px solid var(--border); }
.tag-green { color: #389e0d; background: #f6ffed; border-color: #b7eb8f; }

/* ---- Confirm popup (Popconfirm) ---- */
.confirm-link-wrap { position: relative; display: inline-block; }
.confirm-popup {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 20;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,.12);
    padding: 10px 12px;
    white-space: nowrap;
}
.confirm-popup-actions { margin-top: 8px; display: flex; gap: 8px; justify-content: flex-end; }

/* ---- Modal ---- */
.modal-backdrop-custom {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 5vh;
    z-index: 1000;
}
.modal-panel {
    background: #fff;
    border-radius: 8px;
    width: 100%;
    max-height: 88vh;
    display: flex;
    flex-direction: column;
}
.modal-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 16px;
}
.modal-close-btn { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text-muted); }
.modal-panel-body { padding: 20px; overflow-y: auto; }
.modal-panel-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 20px;
    border-top: 1px solid var(--border);
}

/* ---- Drawer (right side panel) ---- */
.drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 900;
}
.drawer-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 480px;
    background: #fff;
    box-shadow: -4px 0 16px rgba(0,0,0,.12);
    z-index: 901;
    display: flex;
    flex-direction: column;
}
.drawer-panel.wide { max-width: 600px; }
.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
}
.drawer-body { padding: 20px; overflow-y: auto; flex: 1; }

/* ---- Form ---- */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; margin-bottom: 4px; font-weight: 500; font-size: 13px; }
.form-group .hint { color: var(--text-muted); font-size: 12px; margin-top: 2px; }
.form-control {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
}
.form-control:focus { outline: none; border-color: var(--brand); }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }
.field-error { color: var(--danger); font-size: 12px; margin-top: 2px; }

/* ---- Alert ---- */
.alert-error {
    background: #fff2f0;
    border: 1px solid #ffccc7;
    color: var(--danger);
    border-radius: 6px;
    padding: 8px 14px;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.alert-error button { background: none; border: none; color: var(--danger); cursor: pointer; font-size: 16px; }

/* ---- Dashboard cards ---- */
.stat-cards { display: flex; gap: 16px; flex-wrap: wrap; }
.stat-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px 24px;
    min-width: 160px;
}
.stat-card .stat-value { font-size: 28px; font-weight: 700; }
.stat-card .stat-label { color: var(--text-muted); font-size: 13px; margin-top: 4px; }