/* 后台样式 - 浅色主题 */
.admin-page {
    background: var(--bg);
    min-height: 100vh;
}

.admin-header {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.admin-header h1 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, #0F172A 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.admin-header nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.admin-header nav a {
    color: var(--accent);
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    transition: var(--transition);
    font-size: 0.9rem;
}

.admin-header nav a:hover {
    background: var(--accent-glow);
    transform: translateY(-1px);
}

.admin-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem;
}

.admin-login-box {
    max-width: 400px;
    margin: 4rem auto;
    padding: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.admin-login-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--green));
}

.admin-login-box h1 {
    margin: 0 0 1.5rem 0;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    background: linear-gradient(135deg, #0F172A 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.admin-login-box .error {
    color: #f85149;
    margin-bottom: 1rem;
}

.admin-login-box .form-group {
    margin-bottom: 1rem;
}

.admin-login-box label {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.admin-login-box input {
    width: 100%;
    padding: 0.65rem 0.85rem;
    font-size: 1rem;
    background: var(--bg-elevated);
    border: 1.5px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    transition: var(--transition);
}

.admin-login-box input:hover {
    border-color: var(--border-hover);
}

.admin-login-box input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: var(--bg-card);
}

.admin-login-box button {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.admin-login-box button:hover {
    background: var(--accent-dim);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(3, 105, 161, 0.3);
}

.admin-login-box button:active {
    transform: translateY(0);
}

.admin-login-box .back {
    margin-top: 1.5rem;
    font-size: 0.9rem;
}

.admin-login-box .back a {
    color: var(--text-muted);
}

/* 列表表格 */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
}

.admin-table th,
.admin-table td {
    padding: 0.75rem 0.85rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.admin-table th {
    color: var(--text-muted);
    font-weight: 600;
    background: var(--bg-elevated);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

.admin-table tbody tr {
    transition: var(--transition);
}

.admin-table tbody tr:hover {
    background: var(--bg-elevated);
}

.admin-table a {
    color: var(--accent);
    transition: var(--transition);
}

.admin-table a:hover {
    color: var(--accent-dim);
}

.price-trend {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    white-space: nowrap;
}

.price-trend .trend-delta {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 600;
}

.price-trend .trend-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.price-trend.trend-up .trend-delta {
    color: var(--red);
}

.price-trend.trend-down .trend-delta {
    color: var(--green);
}

.price-trend.trend-flat .trend-delta {
    color: var(--text-muted);
}

.price-trend.trend-new .trend-delta {
    color: var(--accent);
}

.admin-table .btn-delete {
    background: none;
    border: none;
    color: var(--red);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    margin-left: 0.5rem;
    font-size: inherit;
    border-radius: 4px;
    transition: var(--transition);
}

.admin-table .btn-delete:hover {
    background: rgba(248, 81, 73, 0.15);
    transform: translateY(-1px);
}

.btn-inline {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    margin-right: 0.5rem;
    font-size: inherit;
    border-radius: 4px;
    transition: var(--transition);
}

.btn-inline:hover {
    background: var(--accent-glow);
    transform: translateY(-1px);
}

/* 表单 */
.admin-form .form-group {
    margin-bottom: 1rem;
}

.admin-form .form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-form .form-row .form-group {
    flex: 1;
    min-width: 120px;
}

.admin-form label {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.admin-form input,
.admin-form select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.95rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
}

.admin-form textarea {
    width: 100%;
    min-height: 120px;
    resize: vertical;
    padding: 0.6rem 0.75rem;
    font-size: 0.95rem;
    line-height: 1.55;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
}

.admin-form .hint {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.admin-form .error {
    color: #f85149;
    margin-bottom: 1rem;
}

.admin-form .form-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.admin-form .form-actions button {
    padding: 0.6rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.admin-form .form-actions button:hover {
    background: var(--accent-dim);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(3, 105, 161, 0.3);
}

.admin-form .form-actions button:active {
    transform: translateY(0);
}

.admin-form .form-actions .btn-cancel {
    color: var(--text-muted);
}

.admin-filter-form {
    margin: 0 0 1rem 0;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-elevated);
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: flex-end;
}

.filter-item {
    flex: 1;
    min-width: 160px;
}

.filter-item label {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--text-muted);
    font-size: 0.82rem;
}

.filter-item input,
.filter-item select {
    width: 100%;
    padding: 0.45rem 0.6rem;
    font-size: 0.88rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
}

.filter-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-actions button {
    border: 1px solid var(--accent);
    background: var(--accent);
    color: #fff;
    border-radius: 6px;
    padding: 0.45rem 0.7rem;
    cursor: pointer;
}

.filter-actions a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.table-title {
    font-weight: 600;
}

.line-clamp-2 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.country-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.tag-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.6rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
}

.tag-chip:hover, .tag-chip:has(input:checked) {
    border-color: var(--accent);
    background: rgba(88, 166, 255, 0.1);
}

.tag-chip input {
    margin-right: 0.35rem;
    width: auto;
}

.dashboard-section {
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.dashboard-section:hover {
    border-color: var(--border-hover);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.dashboard-section h2 {
    font-size: 1.2rem;
    margin: 0 0 1rem 0;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dashboard-section h2::before {
    content: '';
    width: 4px;
    height: 1.2rem;
    background: linear-gradient(180deg, var(--accent), var(--green));
    border-radius: 2px;
}

.provider-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem 0;
}

.provider-item {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.provider-item .provider-name,
.provider-item a:first-of-type {
    font-weight: 500;
}

.provider-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.provider-item .btn-delete {
    margin-left: auto;
}

.quick-link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.6rem;
    margin-top: 0.75rem;
}

.quick-link-grid a {
    display: inline-block;
    text-decoration: none;
    text-align: center;
    padding: 0.55rem 0.65rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    color: var(--text);
    background: var(--bg-elevated);
    transition: var(--transition);
}

.quick-link-grid a:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.hint {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* 成功消息 */
.success-msg {
    padding: 0.75rem 1rem;
    background: rgba(5, 150, 105, 0.1);
    border: 1px solid var(--green);
    border-radius: 6px;
    color: var(--green);
    margin-bottom: 1rem;
    animation: slideDown 0.3s ease-out;
    font-weight: 500;
}

.error-msg {
    padding: 0.75rem 1rem;
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.45);
    border-radius: 6px;
    color: var(--red);
    margin-bottom: 1rem;
}

.admin-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.admin-topline h2 {
    margin-bottom: 0;
}

.admin-btn-link {
    display: inline-block;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 6px;
    padding: 0.45rem 0.75rem;
    transition: var(--transition);
}

.admin-btn-link:hover {
    background: var(--accent-dim);
    border-color: var(--accent-dim);
}

.status-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-pill.active {
    color: var(--green-dim);
    background: rgba(5, 150, 105, 0.14);
    border: 1px solid rgba(5, 150, 105, 0.35);
}

.status-pill.inactive {
    color: var(--text-muted);
    background: rgba(100, 116, 139, 0.12);
    border: 1px solid rgba(100, 116, 139, 0.25);
}

.checkline {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    cursor: pointer;
}

.admin-form .checkline input[type="checkbox"] {
    width: auto;
}

.admin-note {
    margin: 0;
    font-size: 0.86rem;
    color: var(--text-muted);
}

.admin-table .btn-delete:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.report-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.report-tabs a {
    text-decoration: none;
    font-size: 0.8rem;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.25rem 0.6rem;
    transition: var(--transition);
}

.report-tabs a.active,
.report-tabs a:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-glow);
}

.muted-text {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 0.2rem;
    line-height: 1.45;
}

.report-target-title {
    font-weight: 600;
    color: var(--text);
}

.report-action-form {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.report-action-form input[type="text"] {
    width: 100%;
    min-width: 180px;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.4rem 0.55rem;
    font-size: 0.82rem;
    color: var(--text);
    background: var(--bg-card);
}

.report-action-buttons {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.btn-danger {
    border: 1px solid rgba(220, 38, 38, 0.45);
    background: rgba(220, 38, 38, 0.08);
    color: var(--red);
    border-radius: 6px;
    padding: 0.35rem 0.55rem;
    cursor: pointer;
}

.btn-danger:hover {
    background: rgba(220, 38, 38, 0.16);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式优化 */
@media (max-width: 768px) {
    .admin-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .admin-header nav {
        width: 100%;
        justify-content: flex-start;
    }

    .dashboard-section {
        padding: 1rem;
    }

    .filter-item {
        min-width: 100%;
    }

    .filter-actions {
        width: 100%;
    }

    .admin-table {
        font-size: 0.85rem;
    }

    .admin-table th,
    .admin-table td {
        padding: 0.5rem;
    }
}