/* Bilibili风格样式 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bili-pink: #FB7299;
    --bili-blue: #00AEEC;
    --bili-pink-hover: #FF85A7;
    --bili-blue-hover: #33C3F0;
    --bili-bg: #FFFFFF;
    --bili-white: #FFFFFF;
    --bili-text-primary: #18191C;
    --bili-text-secondary: #9499A0;
    --bili-border: #E3E5E7;
    --bili-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    --bili-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.12);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--bili-text-primary);
    background-color: var(--bili-bg);
    font-size: 14px;
    min-height: 100vh;
}

.navbar {
    background-color: var(--bili-white);
    color: var(--bili-text-primary);
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--bili-pink);
    margin: 0;
}

.navbar-brand img {
    height: 32px;
    vertical-align: middle;
    margin-right: 8px;
}

.navbar ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

.navbar ul li a {
    color: var(--bili-text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
    padding: 0.5rem 0.75rem;
}

.navbar ul li a:hover {
    color: var(--bili-pink);
    background-color: rgba(251, 114, 153, 0.1);
}

.navbar ul li .btn-primary {
    background-color: var(--bili-pink);
    color: white;
    padding: 0.5rem 1rem;
}

.navbar ul li .btn-primary:hover {
    background-color: var(--bili-pink-hover);
    color: white;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
}

.card {
    background-color: var(--bili-white);
    border-radius: 0;
    box-shadow: var(--bili-shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--bili-border);
}

.card-header {
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--bili-pink);
}

.card-header h2, .card-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--bili-text-primary);
    margin: 0;
}

.card-body {
    padding: 0;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--bili-text-primary);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--bili-border);
    border-radius: 0;
    font-size: 0.9rem;
    transition: all 0.2s;
    background-color: var(--bili-white);
    color: var(--bili-text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--bili-pink);
    box-shadow: 0 0 0 3px rgba(251, 114, 153, 0.1);
}

.form-group input[type="file"] {
    border: none;
    padding: 0;
    background: none;
}

.form-group input[type="file"]::-webkit-file-upload-button {
    background-color: var(--bili-bg);
    border: 1px solid var(--bili-border);
    padding: 0.5rem 1rem;
    border-radius: 0;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.form-group input[type="file"]::-webkit-file-upload-button:hover {
    background-color: var(--bili-pink);
    color: white;
    border-color: var(--bili-pink);
}

.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 0;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    text-align: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--bili-shadow-hover);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background-color: var(--bili-pink);
    color: white;
}

.btn-primary:hover {
    background-color: var(--bili-pink-hover);
}

.btn-primary:disabled {
    background-color: #E3E5E7;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background-color: var(--bili-bg);
    color: var(--bili-text-primary);
    border: 1px solid var(--bili-border);
}

.btn-secondary:hover {
    background-color: #E3E5E7;
}

.btn-success {
    background-color: #00B578;
    color: white;
}

.btn-success:hover {
    background-color: #00C98A;
}

.btn-danger {
    background-color: #FF4D4F;
    color: white;
}

.btn-danger:hover {
    background-color: #FF6B6D;
}

.btn-warning {
    background-color: #FFA940;
    color: white;
}

.btn-warning:hover {
    background-color: #FFB85C;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.85rem;
}

.alert {
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    border-radius: 0;
    font-size: 0.9rem;
    border-left: 4px solid;
}

.alert-success {
    background-color: #F0F9FF;
    color: #0066CC;
    border-color: #00AEEC;
}

.alert-danger {
    background-color: #FFF1F0;
    color: #FF4D4F;
    border-color: #FF4D4F;
}

.alert-warning {
    background-color: #FFFBE6;
    color: #FA8C16;
    border-color: #FA8C16;
}

.alert-info {
    background-color: #F6FFED;
    color: #52C41A;
    border-color: #52C41A;
}

footer {
    background-color: var(--bili-white);
    color: var(--bili-text-secondary);
    padding: 2rem;
    text-align: center;
    margin-top: 2rem;
    border-top: 1px solid var(--bili-border);
}

footer p {
    margin: 0;
    font-size: 0.9rem;
}

footer a {
    color: var(--bili-text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
}

footer a:hover {
    color: var(--bili-blue);
}

a {
    color: var(--bili-blue);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--bili-blue-hover);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 0;
    background-color: var(--bili-bg);
    color: var(--bili-text-secondary);
}

.badge-success {
    background-color: #E6F7FF;
    color: #00AEEC;
}

.badge-warning {
    background-color: #FFF7E6;
    color: #FA8C16;
}

.badge-danger {
    background-color: #FFF1F0;
    color: #FF4D4F;
}

.badge-info {
    background-color: #F6FFED;
    color: #52C41A;
}

.jumbotron {
    background-color: var(--bili-white);
    border-radius: 0;
    box-shadow: var(--bili-shadow);
    padding: 2rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.jumbotron h1 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--bili-pink);
    margin-bottom: 1rem;
}

.jumbotron p {
    color: var(--bili-text-secondary);
    margin-bottom: 1.5rem;
}

.btn-group .btn {
    border-radius: 0;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .navbar ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .container {
        padding: 1rem;
    }
    
    .card {
        padding: 1rem;
    }
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bili-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--bili-border);
    border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bili-text-secondary);
}

::placeholder {
    color: var(--bili-text-secondary);
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239499A0' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 0;
}

.modal-content {
    background-color: var(--bili-white);
    border-radius: 0;
    border: 1px solid var(--bili-border);
}

.modal-header {
    border-bottom: 1px solid var(--bili-border);
    padding: 1rem 1.5rem;
}

.modal-header h5 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--bili-text-primary);
    margin: 0;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--bili-border);
    padding: 1rem 1.5rem;
}

.tab {
    display: inline-block;
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
    margin-right: 1rem;
}

.tab:hover {
    color: var(--bili-pink);
}

.tab.active {
    color: var(--bili-pink);
    border-bottom-color: var(--bili-pink);
}