/* ============================================
   组件样式 - 按钮、表单、弹窗等
   ============================================ */

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    line-height: 1;
}

/* 手机端按钮规则已统一迁移至 mobile.css，避免冲突 */

.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

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

.btn-success {
    background: var(--success);
    color: #fff;
    border-color: var(--success);
}
.btn-success:hover {
    background: #389e0d;
    border-color: #389e0d;
}

.btn-danger {
    background: var(--error);
    color: #fff;
    border-color: var(--error);
}
.btn-danger:hover {
    background: #cf1322;
    border-color: #cf1322;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}
.btn-ghost:hover {
    background: var(--bg);
    color: var(--text);
}

.btn-sm {
    padding: 5px 12px;
    font-size: 13px;
}

.btn-lg {
    padding: 10px 28px;
    font-size: 15px;
}

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

/* ---------- 表单 ---------- */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}
.form-group label .required {
    color: var(--error);
    margin-left: 2px;
}

.form-control {
    width: 100%;
    padding: 9px 12px;
    font-size: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #fff;
    color: var(--text);
    transition: var(--transition);
    font-family: inherit;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(0,82,217,0.1);
}
.form-control.error {
    border-color: var(--error);
    box-shadow: 0 0 0 2px rgba(229,69,69,0.1);
}
.form-control::placeholder {
    color: #c9cdd4;
}
.form-control:disabled {
    background: #f5f5f5;
    cursor: not-allowed;
}

/* 手机端表单规则已统一迁移至 mobile.css，避免冲突 */

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 12 12' fill='%2386909c' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 8L1 3h10L6 8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: flex;
    gap: 16px;
}
.form-row > .form-group {
    flex: 1;
    min-width: 0;
}

.form-error {
    font-size: 12px;
    color: var(--error);
    margin-top: 4px;
}

/* ---------- 搜索栏 ---------- */
.search-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.search-bar .form-control {
    width: auto;
    min-width: 160px;
    max-width: 100%;
}

/* 手机端搜索栏规则已统一迁移至 mobile.css，避免冲突 */

/* ---------- 弹窗 ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
    width: 90%;
    max-width: 520px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.95);
    transition: var(--transition);
}
.modal-overlay.active .modal {
    transform: scale(1);
}

/* 手机端弹窗规则已统一迁移至 mobile.css，避免冲突 */

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
}
.modal-close {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    border-radius: var(--radius);
    cursor: pointer;
    color: var(--text-muted);
    font-size: 18px;
    transition: var(--transition);
}
.modal-close:hover {
    background: var(--bg);
    color: var(--text);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    max-height: calc(90vh - 120px);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    background: #fafbfc;
}

/* ---------- 消息提示 ---------- */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* 手机端消息提示规则已统一迁移至 mobile.css，避免冲突 */

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
    font-size: 13px;
    min-width: 280px;
    animation: toastIn 0.3s ease;
    border-left: 4px solid;
}
.toast.success { border-left-color: var(--success); }
.toast.error   { border-left-color: var(--error); }
.toast.warning { border-left-color: var(--warning); }
.toast.info    { border-left-color: var(--info); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ---------- 确认弹窗 ---------- */
.confirm-modal .modal-body {
    text-align: center;
    padding: 32px 20px;
}
.confirm-modal .modal-body .icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}
.confirm-modal .modal-body .icon.warning {
    background: #fff7e6;
    color: #faad14;
}
.confirm-modal .modal-body .icon.danger {
    background: #fff2f0;
    color: #cf1322;
}
.confirm-modal .modal-body p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ---------- 汉堡菜单 ---------- */
.hamburger-btn {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 20px;
    color: var(--text);
    border-radius: var(--radius);
}
.hamburger-btn:hover {
    background: var(--bg);
}

/* 手机端显示汉堡菜单规则已统一迁移至 mobile.css */

/* 手机端侧边栏遮罩 */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
}
.sidebar-overlay.active {
    display: block;
}

/* 手机端顶部栏规则已统一迁移至 mobile.css */
.dropdown {
    position: relative;
    display: inline-block;
}
.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    min-width: 140px;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: var(--transition);
}
.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-menu a {
    display: block;
    padding: 8px 14px;
    font-size: 13px;
    color: var(--text);
    transition: var(--transition);
}
.dropdown-menu a:hover {
    background: var(--bg);
    color: var(--primary);
}
.dropdown-menu .divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}

/* ---------- 步骤条 ---------- */
.steps {
    display: flex;
    align-items: center;
    margin-bottom: 24px;
}
.step {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}
.step .step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    background: var(--bg);
    border: 1px solid var(--border);
}
.step.active {
    color: var(--primary);
    font-weight: 500;
}
.step.active .step-num {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.step.completed .step-num {
    background: var(--success);
    color: #fff;
    border-color: var(--success);
}
.step-divider {
    flex: 1;
    height: 1px;
    background: var(--border);
    margin: 0 12px;
    max-width: 60px;
}

/* ---------- 统计卡片 ---------- */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}
.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.stat-card .stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}
.stat-card .stat-icon.blue   { background: var(--primary-light); color: var(--primary); }
.stat-card .stat-icon.green  { background: #f6ffed; color: var(--success); }
.stat-card .stat-icon.orange { background: #fff7e6; color: var(--warning); }
.stat-card .stat-icon.red    { background: #fff2f0; color: var(--error); }
.stat-card .stat-icon.purple { background: #f0e6ff; color: #722ed1; }

.stat-card .stat-info .stat-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}
.stat-card .stat-info .stat-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ---------- 文件上传 ---------- */
.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}
.upload-area:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}
.upload-area .upload-icon {
    font-size: 32px;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.upload-area p {
    color: var(--text-secondary);
    font-size: 13px;
}
.upload-area p span {
    color: var(--primary);
    font-weight: 500;
}

/* ============================================
   通用优化 - 表格、空状态、标签、加载等
   ============================================ */

/* 表格行悬停 */
.table-wrap tbody tr {
    transition: background 0.15s ease;
}
.table-wrap tbody tr:hover {
    background: #f8faff;
}

/* 空状态美化 */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 20px;
    color: var(--text-muted);
    text-align: center;
}
.empty-state svg {
    width: 56px;
    height: 56px;
    margin-bottom: 12px;
    opacity: 0.25;
    stroke-width: 1.5;
}
.empty-state p {
    font-size: 14px;
}

/* 加载状态 */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}
.spinner {
    width: 28px;
    height: 28px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 标签统一 */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.4;
}
.tag::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}
.tag-success { background: #f6ffed; color: #389e0d; }
.tag-success::before { background: #52c41a; }
.tag-warning { background: #fff7e6; color: #d48806; }
.tag-warning::before { background: #faad14; }
.tag-error   { background: #fff2f0; color: #cf1322; }
.tag-error::before   { background: #e54545; }
.tag-info    { background: #e6f4ff; color: #0958d9; }
.tag-info::before    { background: #1890ff; }
.tag-primary { background: var(--primary-light); color: var(--primary); }
.tag-primary::before { background: var(--primary); }
.tag-default { background: #f2f3f5; color: var(--text-secondary); }
.tag-default::before { background: var(--text-muted); }

/* 分页美化 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 16px 0;
    flex-wrap: wrap;
}
.pagination button {
    min-width: 32px;
    height: 32px;
    padding: 0 10px;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--text);
    cursor: pointer;
    transition: var(--transition);
}
.pagination button:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
}
.pagination button.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.pagination span {
    color: var(--text-muted);
    font-size: 13px;
}

/* 卡片hover微动效 */
.card {
    transition: box-shadow 0.25s ease;
}
.card:hover {
    box-shadow: var(--shadow-hover);
}

/* 按钮微动效增强 */
.btn {
    position: relative;
    overflow: hidden;
}
.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0);
    transition: background 0.2s ease;
}
.btn:active::after {
    background: rgba(255,255,255,0.15);
}