/* Color Variables */
:root {
    --bs-primary: #4B0082;
    --bs-secondary: #6F42C1;
    --bs-warning: #FFC107;
    --bs-danger: #DC3545;
    --bs-light: #F8F9FA;
    --bs-dark: #343A40;
    --bs-bg: #FFFFFF;
    --bs-text: #343A40;
    --bs-muted: #6C757D;
    --bs-border-color: #DEE2E6;

    --bs-primary-hover: #370061;
    --bs-secondary-hover: #5930a3;
    --bs-warning-hover: #e0a800;
    --bs-danger-hover: #c82333;
    --bs-light-hover: #e2e6ea;
    --bs-dark-hover: #23272b;

    --bs-primary-disabled: #9b4bc1;
    --bs-secondary-disabled: #c8a2e2;

    --bs-primary-outline: rgba(75, 0, 130, 0.5);
    --bs-secondary-outline: rgba(111, 66, 193, 0.5);

    --bs-primary-rgb: 80, 19, 149;
    --bs-primary-text-emphasis: #7c4dff;
    --bs-primary-bg-subtle: #f3e5f5;
    --bs-primary-border-subtle: #d1c4e9;

    --bs-secondary-rgb: 136, 0, 255;
    --bs-secondary-text-emphasis: #8e24aa;
    --bs-secondary-bg-subtle: #f3e5f5;
    --bs-secondary-border-subtle: #ce93d8;

    --bs-warning-rgb: 255, 193, 7;
    --bs-warning-text-emphasis: #ffca28;
    --bs-warning-bg-subtle: #fff8e1;
    --bs-warning-border-subtle: #ffe082;

    --bs-error-rgb: 211, 47, 47;
    --bs-error-text-emphasis: #e57373;
    --bs-error-bg-subtle: #ffebee;
    --bs-error-border-subtle: #ef9a9a;

    --bs-background-rgb: 248, 249, 250;
    --bs-background-text-emphasis: #d3d3d3;
    --bs-background-bg-subtle: #f8f9fa;
    --bs-background-border-subtle: #e9ecef;

    --bs-success-rgb: 25, 135, 84;
    --bs-success-text-emphasis: #81c784;
    --bs-success-bg-subtle: #e8f5e9;
    --bs-success-border-subtle: #c8e6c9;

    --bs-info-rgb: 0, 123, 255;
    --bs-info-text-emphasis: #64b5f6;
    --bs-info-bg-subtle: #e3f2fd;
    --bs-info-border-subtle: #bbdefb;

    --bs-font-sans-serif: "Noto Serif", --bs-font-sans-serif, sans-serif;
}

html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.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,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIG92ZXJmbG93PSJoaWRkZW4iPjxkZWZzPjxjbGlwUGF0aCBpZD0iY2xpcDAiPjxyZWN0IHg9IjIzNSIgeT0iNTEiIHdpZHRoPSI1NiIgaGVpZ2h0PSI0OSIvPjwvY2xpcFBhdGg+PC9kZWZzPjxnIGNsaXAtcGF0aD0idXJsKCNjbGlwMCkiIHRyYW5zZm9ybT0idHJhbnNsYXRlKC0yMzUgLTUxKSI+PHBhdGggZD0iTTI2My41MDYgNTFDMjY0LjcxNyA1MSAyNjUuODEzIDUxLjQ4MzcgMjY2LjYwNiA1Mi4yNjU4TDI2Ny4wNTIgNTIuNzk4NyAyNjcuNTM5IDUzLjYyODMgMjkwLjE4NSA5Mi4xODMxIDI5MC41NDUgOTIuNzk1IDI5MC42NTYgOTIuOTk2QzI5MC44NzcgOTMuNTEzIDI5MSA5NC4wODE1IDI5MSA5NC42NzgyIDI5MSA5Ny4wNjUxIDI4OS4wMzggOTkgMjg2LjYxNyA5OUwyNDAuMzgzIDk5QzIzNy45NjMgOTkgMjM2IDk3LjA2NTEgMjM2IDk0LjY3ODIgMjM2IDk0LjM3OTkgMjM2LjAzMSA5NC4wODg2IDIzNi4wODkgOTMuODA3MkwyMzYuMzM4IDkzLjAxNjIgMjM2Ljg1OCA5Mi4xMzE0IDI1OS40NzMgNTMuNjI5NCAyNTkuOTYxIDUyLjc5ODUgMjYwLjQwNyA1Mi4yNjU4QzI2MS4yIDUxLjQ4MzcgMjYyLjI5NiA1MSAyNjMuNTA2IDUxWk0yNjMuNTg2IDY2LjAxODNDMjYwLjczNyA2Ni4wMTgzIDI1OS4zMTMgNjcuMTI0NSAyNTkuMzEzIDY5LjMzNyAyNTkuMzEzIDY5LjYxMDIgMjU5LjMzMiA2OS44NjA4IDI1OS4zNzEgNzAuMDg4N0wyNjEuNzk1IDg0LjAxNjEgMjY1LjM4IDg0LjAxNjEgMjY3LjgyMSA2OS43NDc1QzI2Ny44NiA2OS43MzA5IDI2Ny44NzkgNjkuNTg3NyAyNjcuODc5IDY5LjMxNzkgMjY3Ljg3OSA2Ny4xMTgyIDI2Ni40NDggNjYuMDE4MyAyNjMuNTg2IDY2LjAxODNaTTI2My41NzYgODYuMDU0N0MyNjEuMDQ5IDg2LjA1NDcgMjU5Ljc4NiA4Ny4zMDA1IDI1OS43ODYgODkuNzkyMSAyNTkuNzg2IDkyLjI4MzcgMjYxLjA0OSA5My41Mjk1IDI2My41NzYgOTMuNTI5NSAyNjYuMTE2IDkzLjUyOTUgMjY3LjM4NyA5Mi4yODM3IDI2Ny4zODcgODkuNzkyMSAyNjcuMzg3IDg3LjMwMDUgMjY2LjExNiA4Ni4wNTQ3IDI2My41NzYgODYuMDU0N1oiIGZpbGw9IiNGRkU1MDAiIGZpbGwtcnVsZT0iZXZlbm9kZCIvPjwvZz48L3N2Zz4=) 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;
}

/* Default body font using Noto Sans */
body {
    font-family: 'Noto Serif', var(--bs-body-font-family), sans-serif;
    font-weight: 400; /* Regular 400 for body text */
}

/* Arabic */
.ar {
    font-family: 'Noto Kufi Arabic', var(--bs-body-font-family), sans-serif;
}

/* Devanagari (Hindi) */
.hi {
    font-family: 'Noto Serif Devanagari', var(--bs-body-font-family), sans-serif;
}

/* Simplified Chinese */
.zh-Hans {
    font-family: 'Noto Serif SC', var(--bs-body-font-family), sans-serif;
}

/* Traditional Chinese */
.zh-Hant {
    font-family: 'Noto Serif TC', var(--bs-body-font-family), sans-serif;
}

/* Latin, Greek, Cyrillic (Combined) */
.cs, .de, .en, .en-GB, .es, .fi, .fr, .hr, .hu, .is, .it, .nl, .pl-PL, .pt-BR, .ro-RO, .ru, .sk, .sl, .tr, .vi {
    font-family: 'Noto Serif', var(--bs-body-font-family), sans-serif;
}

/* Headings with different font weights */
h1 {
    font-weight: 600; /* Bold */
}

h1:focus {
    outline: none;
}

h2 {
    font-weight: 600; /* Semi-bold */
}

h3 {
    font-weight: 500; /* Medium */
}

h4 {
    font-weight: 500; /* Medium */
}

h5 {
    font-weight: 400; /* Regular */
}

@media (min-width: 768px) {

    h1 {
        font-size: 2rem; /* 默认 3rem */
    }

    h2 {
        font-size: 1.75rem; /* 默认 2.5rem */
    }

    h3 {
        font-size: 1.5rem; /* 默认 2rem */
    }

    h4 {
        font-size: 1.25rem; /* 默认 1.5rem */
    }

    h5 {
        font-size: 1.25rem; /* 默认 1.25rem */
    }

}

/* Bootstrap Overrides */

/* Body */
body {
    font-family: "Noto Sans", var(--bs-body-font-family), sans-serif;
    background-color: var(--bs-bg);
    color: var(--bs-text);
}

/* Buttons */
.btn-primary {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
    color: #fff;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--bs-primary-hover);
    border-color: var(--bs-primary-hover);
}

.btn-primary:disabled,
.btn-primary.disabled {
    background-color: var(--bs-primary-disabled);
    border-color: var(--bs-primary-disabled);
}

.btn-primary-outline {
    background-color: transparent;
    border-color: var(--bs-primary);
    color: var(--bs-primary);
}

.btn-primary-outline:hover,
.btn-primary-outline:focus {
    background-color: var(--bs-primary);
    color: #fff;
}

.btn-secondary {
    background-color: var(--bs-secondary);
    border-color: var(--bs-secondary);
    color: #fff;
}

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--bs-secondary-hover);
    border-color: var(--bs-secondary-hover);
}

.btn-secondary:disabled,
.btn-secondary.disabled {
    background-color: var(--bs-secondary-disabled);
    border-color: var(--bs-secondary-disabled);
}

.btn-secondary-outline {
    background-color: transparent;
    border-color: var(--bs-secondary);
    color: var(--bs-secondary);
}

.btn-secondary-outline:hover,
.btn-secondary-outline:focus {
    background-color: var(--bs-secondary);
    color: #fff;
}

/* Alerts */
.alert-primary {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
    color: #fff;
}

.alert-secondary {
    background-color: var(--bs-secondary);
    border-color: var(--bs-secondary);
    color: #fff;
}

/* Background Colors */
.bg-primary {
    background-color: var(--bs-primary) !important;
}

.bg-secondary {
    background-color: var(--bs-secondary) !important;
}

.bg-warning {
    background-color: var(--bs-warning) !important;
}

.bg-danger {
    background-color: var(--bs-danger) !important;
}

/* Text Colors */
.text-primary {
    color: var(--bs-primary) !important;
}

.text-secondary {
    color: var(--bs-secondary) !important;
}

.text-warning {
    color: var(--bs-warning) !important;
}

.text-danger {
    color: var(--bs-danger) !important;
}

/* Borders */
.border-primary {
    border-color: var(--bs-primary) !important;
}

.border-secondary {
    border-color: var(--bs-secondary) !important;
}

.border-warning {
    border-color: var(--bs-warning) !important;
}

.border-danger {
    border-color: var(--bs-danger) !important;
}

/* Navbar Styles */
.navbar {
    background: linear-gradient(135deg, var(--bs-primary) 0%, var(--bs-primary-hover) 100%);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    color: #fff;
}

.navbar .navbar-brand {
    color: #fff;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.navbar .navbar-nav .nav-link {
    color: #fff;
    margin-right: 1rem;
    transition: color 0.3s ease, background-color 0.3s ease;
}

.navbar .navbar-nav .nav-link:hover,
.navbar .navbar-nav .nav-link:focus {
    color: var(--bs-light);
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 5px;
}

.navbar .navbar-toggler {
    border: none;
    color: var(--bs-navbar-color);
    outline: none;
}

.navbar .dropdown-menu {
    background-color: var(--bs-primary);
    border: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.navbar .dropdown-item {
    color: #fff;
    transition: background-color 0.3s ease;
}

.navbar .dropdown-item:hover,
.navbar .dropdown-item:focus {
    background-color: var(--bs-primary-hover);
}

.navbar .form-control {
    background-color: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: #fff;
    border-radius: 20px;
    padding: 0.5rem 1rem;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.navbar .form-control:focus {
    background-color: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.7);
    color: #fff;
}

/* Accordion */
.accordion-button {
    background-color: var(--bs-secondary);
    color: var(--bs-light);
    border: 1px solid var(--bs-border-color);
    transition: background-color 0.3s ease;
}

.accordion-button:not(.collapsed) {
    color: var(--bs-light);
    background-color: var(--bs-primary);
    box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.125);
}

.accordion-button:focus {
    z-index: 3;
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.25rem rgba(108, 117, 125, 0.5);
}

.accordion-button::after {
    filter: brightness(0) invert(1);
}

.accordion-button.collapsed {
    background-color: var(--bs-secondary);
    color: var(--bs-light);
}

.accordion-item {
    border: 1px solid var(--bs-border-color);
    border-radius: 0.25rem;
    margin-bottom: 0;
}

.accordion-header {
    margin-bottom: -1px;
}

.accordion-body {
    background-color: var(--bs-bg);
    color: var(--bs-text);
    padding: 1rem;
}

/* Link (a) Styles */
a {
    color: var(--bs-primary);
    text-decoration: none;
}

a:hover {
    color: var(--bs-primary-hover);
    text-decoration: underline;
}

/* Checkbox (input[type="checkbox"]) Styles */
input[type="checkbox"] {
    border: var(--bs-border-width) solid var(--bs-secondary) !important;
}

input[type="checkbox"]:checked {
    background-color: var(--bs-primary) !important;
    border: var(--bs-border-width) solid var(--bs-primary) !important;
}

input[type="checkbox"]:disabled {
    background-color: var(--bs-primary-disabled) !important;
}

.card {
    background-color: var(--bs-light);
    border: none;
}

body {
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 960px;
    margin: auto;
}


.core-area .card {
    border: none;
    background-color: var(--bs-bg);
}

.core-area .card-header,
.core-area .card-footer {
    background-color: transparent;
    border: none;
    padding: 0.5rem 1rem;
}

.core-area .card-body {
    padding: 0.5rem;
}

.core-area .card-header .text-muted,
.core-area .card-footer .text-muted {
    font-size: 0.875rem;
}

.core-area textarea {
    resize: none; /* 禁用textarea的resize功能 */
    border: none;
    background-color: #e9ecef;
    transition: background-color 0.3s ease;
}

.core-area textarea:focus {
    outline: none; /* 去掉textarea获得焦点时的边框 */
    box-shadow: none; /* 去掉textarea获得焦点时的阴影 */
    background-color: #ced4da;
}

.core-area .textarea:disabled {
    background-color: transparent;
}

.core-area p {
    user-select: none;
}

@media (max-width: 768px) {
    .core-area {
        padding: 0;
    }

    .core-area .card {
        box-shadow: none !important;
    }
}