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;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* --- Icon SVG custom (IconManager) — chuẩn hóa kích thước MudBlazor --- */
.mud-nav-menu .mud-icon-root {
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
    flex-shrink: 0;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.mud-nav-menu .mud-icon-root svg {
    width: 24px !important;
    height: 24px !important;
    max-width: 24px !important;
    max-height: 24px !important;
}

.tsttn-page-icon svg {
    width: 32px !important;
    height: 32px !important;
    max-width: 32px !important;
    max-height: 32px !important;
}

/* --- Tiêu đề trang CRUD (Google Font — icons-and-typography.mdc) --- */
.tsttn-page-title {
    font-family: "Be Vietnam Pro", "Roboto", sans-serif;
    font-weight: 700;
    font-style: normal;
    letter-spacing: 0.02em;
    line-height: 1.35;
    color: var(--mud-palette-primary, #594AE2);
}

/* Header app — branding (MainLayout) */
.bungee-spice-font {
    font-family: "Bungee Spice", sans-serif;
    font-weight: 400;
    font-style: normal;
    line-height: 1.4;
}

.header-title-custom {
    letter-spacing: 1px;
    filter: drop-shadow(1px 1px 1px rgba(0, 0, 0, 0.2));
}

.mud-icon-size-large:not(.led-year-display) svg {
    width: 32px !important;
    height: 32px !important;
    max-width: 32px !important;
    max-height: 32px !important;
}

.mud-icon-button .mud-icon-root svg {
    width: 24px !important;
    height: 24px !important;
    max-width: 24px !important;
    max-height: 24px !important;
}

/* Ép icon trên các Button chung */
.mud-button-icon-start svg {
    width: 20px !important;
    height: 20px !important;
    max-width: 20px !important;
    max-height: 20px !important;
}

/* --- Convention grid: tiêu đề cột căn giữa (DxGrid + MudTable) --- */
.tsttn-grid-convention .dxbl-grid-header-content,
.dxbl-grid.tsttn-grid-convention .dxbl-grid-header-content {
    justify-content: center;
    text-align: center;
}

.tsttn-grid-convention .dxbl-grid-header-content > span:first-child,
.dxbl-grid.tsttn-grid-convention .dxbl-grid-header-content > span:first-child {
    text-align: center;
    width: 100%;
}

.tsttn-mud-table-convention .mud-table-head .mud-table-cell {
    text-align: center;
}

/* LED 7 đoạn — năm tuyển sinh (Web) */
.led-year-display {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    vertical-align: middle;
    line-height: 0;
}

.led-year-display svg {
    width: 100%;
    height: 100%;
    display: block;
}

.led-year-display__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-family: Consolas, monospace;
    color: #39FF14;
    font-weight: bold;
    font-size: 1.15rem;
    letter-spacing: 0.08em;
    background: #0B1A0B;
    border: 2px solid #1B5E20;
    border-radius: 8px;
    box-sizing: border-box;
}