/* ============================================================
   1:1 复刻版样式（clone）
   目标：对齐对标系统 redirect-douyin.space 的视觉
   技术说明：对标站是 Vue3 + Element Plus + Tailwind，
   这里用原生 CSS 复刻同一套设计令牌与组件外观：
     · 页面底色 / 卡片圆角 / 阴影  → Tailwind gray 色板 + rounded-2xl + shadow-sm
     · 按钮 / 输入框 / 表格 / 分页 → Element Plus 默认视觉
   与 simple.css、theme.css 完全独立，互不影响
   ============================================================ */

:root {
    /* Element Plus 主色板 */
    --el-color-primary: #409eff;
    --el-color-primary-light-3: #79bbff;
    --el-color-primary-light-5: #a0cfff;
    --el-color-primary-light-7: #c6e2ff;
    --el-color-primary-light-8: #d9ecff;
    --el-color-primary-light-9: #ecf5ff;
    --el-color-success: #67c23a;
    --el-color-success-light-9: #f0f9eb;
    --el-color-danger: #f56c6c;
    --el-color-danger-light-9: #fef0f0;
    --el-color-warning: #e6a23c;

    --el-text-primary: #303133;
    --el-text-regular: #606266;
    --el-text-secondary: #909399;
    --el-text-placeholder: #a8abb2;

    --el-border: #dcdfe6;
    --el-border-light: #e4e7ed;
    --el-border-lighter: #ebeef5;
    --el-fill-light: #f5f7fa;
    --el-fill-lighter: #fafafa;

    /* Tailwind gray */
    --g50: #f9fafb;
    --g100: #f3f4f6;
    --g200: #e5e7eb;
    --g400: #9ca3af;
    --g500: #6b7280;
    --g600: #4b5563;
    --g900: #111827;

    /* 抖音红（前台按钮） */
    --douyin: #fe2c55;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
        Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--el-text-primary);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--el-color-primary); text-decoration: none; }

/* ============================================================
   页面骨架
   ============================================================ */

.page {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    background-image: linear-gradient(to bottom, var(--g50), var(--g100));
}

.page-inner {
    margin: 0 auto;
    display: flex;
    width: 100%;
    flex: 1;
    flex-direction: column;
    padding: 0 16px 8px;
}

.page-inner--wide { max-width: 72rem; }   /* max-w-6xl */
.page-inner--narrow { max-width: 32rem; } /* max-w-lg */
.page-inner--md { max-width: 28rem; }     /* max-w-md（登录页） */

.page-head { padding: 16px 0 12px; }

/* 顶部：logo + 右侧文字按钮 */
.head-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    justify-content: space-between;
}

.brand {
    display: flex;
    height: 56px;
    width: 56px;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    border-radius: 1.15rem;
    background: #000;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

.head-actions {
    display: flex;
    flex-shrink: 0;
    flex-direction: column;
    align-items: flex-end;
    gap: 0;
    padding-top: 2px;
}

.head-title {
    margin: 12px 0 0;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--g900);
    text-align: left;
}

.head-sub {
    margin: 4px 0 0;
    max-width: 100%;
    font-size: 12px;
    line-height: 1.625;
    color: var(--g500);
}

@media (min-width: 640px) {
    .page-head { padding: 32px 0 16px; }
    .brand { height: 64px; width: 64px; border-radius: 1.25rem; }
    .head-actions {
        flex-direction: row;
        align-items: center;
        gap: 8px;
        padding-top: 4px;
    }
    .head-title { margin-top: 16px; font-size: 20px; }
    .head-sub { font-size: 14px; }
}

/* ============================================================
   卡片 / 折叠面板（对齐 el-collapse 外观）
   ============================================================ */

.card {
    background: #fff;
    border: 1px solid var(--g100);
    border-radius: 16px;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.card--mb { margin-bottom: 24px; }

.collapse-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    height: 48px;
    padding: 0 20px;
    cursor: pointer;
    user-select: none;
}

.collapse-head b {
    font-size: 15px;
    font-weight: 600;
    color: var(--g900);
}

.collapse-head .collapse-tip {
    font-size: 14px;
    color: var(--g500);
}

.collapse-head:hover .collapse-tip { color: var(--el-color-primary); }

.collapse-body { display: none; padding: 0 20px 20px; }
.collapse.is-open .collapse-body { display: block; }

/* ============================================================
   Element Plus 表单控件
   ============================================================ */

.el-form-item { margin-bottom: 18px; }
.el-form-item:last-child { margin-bottom: 0; }

.el-form-item__label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.4;
    color: var(--el-text-regular);
}

.el-input,
.el-textarea,
.el-select {
    position: relative;
    display: inline-flex;
    width: 100%;
    align-items: center;
    border-radius: 4px;
    background: #fff;
    box-shadow: 0 0 0 1px var(--el-border) inset;
    transition: box-shadow 0.2s;
}

.el-input { height: 32px; padding: 0 11px; }

.el-input:hover,
.el-textarea:hover,
.el-select:hover { box-shadow: 0 0 0 1px #c0c4cc inset; }

.el-input:focus-within,
.el-textarea:focus-within,
.el-select:focus-within { box-shadow: 0 0 0 1px var(--el-color-primary) inset; }

.el-input__inner {
    width: 100%;
    height: 100%;
    border: 0;
    outline: none;
    background: none;
    font: inherit;
    font-size: 14px;
    color: var(--el-text-regular);
    padding: 0;
}

.el-input__inner::placeholder { color: var(--el-text-placeholder); }

.el-input--textarea { min-height: 32px; height: auto; }

.el-textarea {
    display: block;
    padding: 5px 11px;
}

.el-textarea textarea {
    display: block;
    width: 100%;
    border: 0;
    outline: none;
    resize: vertical;
    background: none;
    font: inherit;
    font-size: 14px;
    line-height: 1.5;
    color: var(--el-text-regular);
    min-height: 72px;
    padding: 0;
}

.el-select { height: 32px; }

.el-select select {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    height: 100%;
    border: 0;
    outline: none;
    background: none;
    font: inherit;
    font-size: 14px;
    color: var(--el-text-regular);
    padding: 0 26px 0 11px;
    cursor: pointer;
}

.el-select .el-select__caret {
    position: absolute;
    right: 8px;
    top: 50%;
    margin-top: -7px;
    pointer-events: none;
    color: var(--el-text-placeholder);
}

.el-form-row {
    display: flex;
    width: 100%;
    flex-direction: column;
    gap: 12px;
}

.el-form-row > .el-form-item { margin-bottom: 0; min-width: 0; flex: 1; }
.el-form-row > .el-form-item--auto { flex: none; }

.form-actions { display: flex; gap: 8px; width: 100%; }
.form-actions .el-button { flex: 1; }

@media (min-width: 640px) {
    .el-form-row { flex-direction: row; align-items: flex-end; gap: 16px; }
    .form-actions { width: auto; }
    .form-actions .el-button { flex: none; }
}

/* ============================================================
   Element Plus 按钮
   ============================================================ */

.el-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 32px;
    padding: 0 15px;
    font: inherit;
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    color: var(--el-text-regular);
    background: #fff;
    border: 1px solid var(--el-border);
    border-radius: 4px;
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.1s, background-color 0.1s, border-color 0.1s;
}

.el-button:hover {
    color: var(--el-color-primary);
    border-color: var(--el-color-primary-light-7);
    background: var(--el-color-primary-light-9);
}

.el-button:active { color: var(--el-color-primary); border-color: var(--el-color-primary); }

.el-button:disabled,
.el-button.is-disabled {
    opacity: 0.55;
    cursor: not-allowed;
    color: var(--el-text-secondary);
    border-color: var(--el-border-light);
    background: #fff;
}

.el-button--primary {
    color: #fff;
    background: var(--el-color-primary);
    border-color: var(--el-color-primary);
}

.el-button--primary:hover {
    color: #fff;
    background: var(--el-color-primary-light-3);
    border-color: var(--el-color-primary-light-3);
}

.el-button--danger {
    color: #fff;
    background: var(--el-color-danger);
    border-color: var(--el-color-danger);
}

.el-button--danger:hover {
    color: #fff;
    background: #f78989;
    border-color: #f78989;
}

.el-button--small { height: 24px; padding: 0 11px; font-size: 12px; border-radius: 3px; }

.el-button.is-text {
    height: auto;
    padding: 0 4px;
    border-color: transparent;
    background: transparent;
    color: var(--el-color-primary);
    font-size: 12px;
    font-weight: 400;
}

.el-button.is-text:hover { background: transparent; color: var(--el-color-primary-light-3); border-color: transparent; }

.el-button.is-circle {
    width: 24px;
    height: 24px;
    padding: 0;
    border-radius: 50%;
    border-color: transparent;
    background: transparent;
    color: var(--el-text-secondary);
    font-size: 16px;
    letter-spacing: 1px;
}

.el-button.is-circle:hover { background: var(--el-fill-light); color: var(--el-color-primary); border-color: transparent; }

.el-button.is-link {
    height: auto;
    padding: 0;
    border: 0;
    background: none;
    color: var(--el-color-primary);
    font-size: 14px;
    font-weight: 400;
}

.el-button.is-link:hover { color: var(--el-color-primary-light-3); }

/* ============================================================
   表格（对齐 el-table）
   ============================================================ */

.list-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
    padding: 0 17px;
}

.list-head h2 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--g900);
}

@media (min-width: 640px) {
    .list-head { margin-bottom: 12px; }
}

.table-wrap {
    display: none;
    padding: 0 17px;
    overflow-x: auto;
}

table.el-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 14px;
    color: var(--el-text-regular);
    table-layout: fixed;
}

table.el-table th {
    padding: 9px 12px 9px 0;
    text-align: left;
    font-size: 14px;
    font-weight: 500;
    color: var(--el-text-secondary);
    background: #fff;
    border-bottom: 1px solid var(--el-border-lighter);
    white-space: nowrap;
}

table.el-table td {
    padding: 10px 12px 10px 0;
    border-bottom: 1px solid var(--el-border-lighter);
    vertical-align: middle;
    word-break: break-word;
}

table.el-table th:last-child,
table.el-table td:last-child { padding-right: 0; }

table.el-table tbody tr:last-child td { border-bottom: 0; }
table.el-table tbody tr:hover td { background: var(--el-fill-light); }
table.el-table.is-striped tbody tr:nth-child(2n) td { background: var(--el-fill-lighter); }
table.el-table.is-striped tbody tr:nth-child(2n):hover td { background: var(--el-fill-light); }

.el-table__empty {
    padding: 48px 12px;
    text-align: center;
    font-size: 14px;
    color: var(--el-text-secondary);
    border-bottom: 0;
}

.cell-strong { font-size: 14px; font-weight: 500; color: var(--g900); line-height: 1.4; }
.cell-text { font-size: 14px; color: var(--el-text-regular); }
.cell-muted { font-size: 14px; color: var(--el-text-secondary); }
.cell-center { text-align: center; }
.cell-mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 13px;
    color: var(--el-text-regular);
    word-break: break-all;
}
.cell-mono a { color: var(--el-text-regular); }
.cell-mono a:hover { color: var(--el-color-primary); }

.is-off .cell-strong { color: var(--el-text-secondary); font-weight: 400; }

/* 状态标签 */
.el-tag {
    display: inline-flex;
    align-items: center;
    height: 24px;
    padding: 0 9px;
    border-radius: 4px;
    font-size: 12px;
    line-height: 1;
    border: 1px solid transparent;
    white-space: nowrap;
}

.el-tag--success { color: var(--el-color-success); background: var(--el-color-success-light-9); border-color: #e1f3d8; }
.el-tag--danger { color: var(--el-color-danger); background: var(--el-color-danger-light-9); border-color: #fde2e2; }
.el-tag--warning { color: var(--el-color-warning); background: #fdf6ec; border-color: #faecd8; }
.el-tag--info { color: var(--el-text-secondary); background: var(--el-fill-light); border-color: var(--el-border-light); }

/* ============================================================
   分页（对齐 el-pagination background）
   ============================================================ */

.pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 17px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--el-text-regular);
}

.pagination__total { margin-right: 4px; font-size: 13px; color: var(--el-text-regular); }

.pagination__size {
    position: relative;
    display: inline-flex;
    align-items: center;
    height: 28px;
    width: 104px;
    border-radius: 4px;
    background: #fff;
    box-shadow: 0 0 0 1px var(--el-border) inset;
}

.pagination__size select {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    height: 100%;
    border: 0;
    outline: none;
    background: none;
    font: inherit;
    font-size: 13px;
    color: var(--el-text-regular);
    padding: 0 22px 0 10px;
    cursor: pointer;
}

.pagination__size svg { position: absolute; right: 7px; pointer-events: none; color: var(--el-text-placeholder); }

.pagination__btns { display: flex; align-items: center; gap: 4px; }

.pagination__btn {
    min-width: 28px;
    height: 28px;
    padding: 0 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font: inherit;
    font-size: 13px;
    color: var(--el-text-regular);
    background: var(--el-fill-light);
    border: 0;
    border-radius: 4px;
    cursor: pointer;
}

.pagination__btn:hover:not(:disabled):not(.is-current) { color: var(--el-color-primary); }

.pagination__btn.is-current {
    color: #fff;
    background: var(--el-color-primary);
    cursor: default;
}

.pagination__btn:disabled { color: #c0c4cc; cursor: not-allowed; }
.pagination__ellipsis { padding: 0 2px; color: var(--el-text-secondary); }

/* ============================================================
   下拉菜单（对齐 el-dropdown）
   ============================================================ */

.dropdown-menu {
    position: fixed;
    z-index: 2000;
    min-width: 110px;
    padding: 5px 0;
    background: #fff;
    border: 1px solid var(--el-border-light);
    border-radius: 4px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
    display: none;
}

.dropdown-menu.is-open { display: block; }

.dropdown-item {
    display: block;
    width: 100%;
    padding: 0 20px;
    height: 34px;
    line-height: 34px;
    font: inherit;
    font-size: 14px;
    color: var(--el-text-regular);
    text-align: left;
    background: none;
    border: 0;
    cursor: pointer;
    white-space: nowrap;
}

.dropdown-item:hover { color: var(--el-color-primary); background: var(--el-fill-light); }
.dropdown-item--danger { color: var(--el-color-danger); }
.dropdown-item--danger:hover { color: var(--el-color-danger); background: var(--el-color-danger-light-9); }
.dropdown-item--divided { border-top: 1px solid var(--el-border-lighter); margin-top: 5px; padding-top: 5px; height: 40px; line-height: 34px; }
.dropdown-item:disabled { color: #c0c4cc; cursor: not-allowed; background: none; }

/* ============================================================
   弹窗（对齐 el-dialog）
   ============================================================ */

.el-dialog-mask {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2001;
    background: rgba(0, 0, 0, 0.5);
    padding: 15vh 16px 16px;
    overflow-y: auto;
}

.el-dialog-mask.is-open { display: block; }

.el-dialog {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 12px 32px 4px rgba(0, 0, 0, 0.04), 0 8px 20px rgba(0, 0, 0, 0.08);
}

.el-dialog__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 20px 20px 12px;
}

.el-dialog__head h3 { margin: 0; font-size: 16px; font-weight: 600; color: var(--g900); }

.el-dialog__close {
    border: 0;
    background: none;
    font-size: 20px;
    line-height: 1;
    color: var(--el-text-secondary);
    cursor: pointer;
    padding: 0 2px;
}

.el-dialog__close:hover { color: var(--el-color-primary); }

.el-dialog__body { padding: 0 20px; }
.el-dialog__foot {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px;
}

/* ============================================================
   轻提示（对齐 el-message）
   ============================================================ */

.el-message-wrap {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    pointer-events: none;
}

.el-message {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 15px;
    min-width: 300px;
    max-width: 80vw;
    border-radius: 4px;
    font-size: 14px;
    background: var(--el-color-success-light-9);
    border: 1px solid #e1f3d8;
    color: var(--el-color-success);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: opacity 0.2s, transform 0.2s;
}

.el-message--error { background: var(--el-color-danger-light-9); border-color: #fde2e2; color: var(--el-color-danger); }
.el-message--warning { background: #fdf6ec; border-color: #faecd8; color: var(--el-color-warning); }
.el-message.is-out { opacity: 0; transform: translateY(-10px); }

/* ============================================================
   视频页：推广链接条
   ============================================================ */

.promo-line {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 8px;
    border-radius: 8px;
    border: 1px solid var(--g100);
    background: #fff;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--el-text-regular);
}

.promo-line .promo-label { flex-shrink: 0; color: var(--el-text-secondary); }
.promo-line .promo-url {
    min-width: 0;
    flex: 1;
    word-break: break-all;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 13px;
    line-height: 1.6;
    color: #1f2937;
}

.promo-line .el-button { flex-shrink: 0; }

@media (min-width: 640px) {
    .promo-line {
        margin-bottom: 8px;
        border: 0;
        background: transparent;
        padding: 0;
    }
    .promo-line .promo-url { font-size: 14px; }
}

/* ============================================================
   移动端列表卡片
   ============================================================ */

.m-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0 12px;
}

.m-row {
    display: grid;
    grid-template-columns: 1fr 2fr 56px;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--g100);
    background: rgba(249, 250, 251, 0.6);
    font-size: 14px;
    color: var(--el-text-regular);
}

.m-row--head {
    border: 0;
    background: none;
    padding: 0 12px 2px;
    font-size: 12px;
    font-weight: 500;
    color: var(--g400);
}

.m-row > .m-user { text-align: center; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.m-row > .m-title { text-align: center; font-weight: 500; color: var(--g900); line-height: 1.35; word-break: break-word; }
.m-row > .m-sort { text-align: center; color: var(--el-text-secondary); font-variant-numeric: tabular-nums; }
.m-row > .m-ops { display: flex; justify-content: center; }

.m-empty {
    padding: 40px 12px;
    text-align: center;
    font-size: 14px;
    color: var(--el-text-secondary);
}

@media (min-width: 640px) {
    .m-list { display: none; }
    .table-wrap { display: block; }
}

/* ============================================================
   前台落地页
   ============================================================ */

.center-screen {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-image: linear-gradient(to bottom, var(--g50), var(--g100));
    padding: 24px;
    text-align: center;
}

.center-screen .brand { margin: 0 auto 16px; }

.center-title {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 700;
    color: var(--g900);
}

.center-text {
    margin: 0;
    max-width: 320px;
    font-size: 13px;
    line-height: 1.7;
    color: var(--g500);
}

.f-list { display: flex; flex-direction: column; gap: 12px; }

.f-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid var(--g100);
    background: #fff;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.f-title {
    min-width: 0;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 15px;
    font-weight: 500;
    color: var(--g900);
}

.f-btn {
    flex-shrink: 0;
    border: 0;
    border-radius: 9999px;
    background: var(--douyin);
    padding: 8px 16px;
    font: inherit;
    font-size: 14px;
    font-weight: 500;
    color: #fff;
    cursor: pointer;
}

.f-btn:active { transform: scale(0.95); }

.f-empty {
    padding: 40px 16px;
    border-radius: 16px;
    border: 1px dashed var(--g200);
    background: #fff;
    text-align: center;
    font-size: 14px;
    color: var(--g400);
}

.f-loading { padding: 48px 0; text-align: center; font-size: 14px; color: var(--g400); }

.f-error {
    padding: 24px 16px;
    border-radius: 16px;
    border: 1px solid #fecaca;
    background: #fef2f2;
    text-align: center;
    font-size: 14px;
    color: #dc2626;
}

/* 前台底部提示浮层 */
.f-sheet {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.45);
}

.f-sheet.is-open { display: flex; align-items: flex-end; }

.f-sheet-panel {
    width: 100%;
    margin: 0 auto;
    max-width: 32rem;
    background: #fff;
    border-radius: 16px 16px 0 0;
    padding: 20px 20px calc(20px + env(safe-area-inset-bottom));
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
}

.f-sheet-panel h3 { margin: 0 0 8px; font-size: 16px; font-weight: 600; color: var(--g900); }
.f-sheet-panel p { margin: 0; font-size: 14px; line-height: 1.7; color: var(--g600); }
.f-sheet-panel .el-button { margin-top: 18px; width: 100%; height: 40px; }

/* ============================================================
   登录页
   ============================================================ */

.login-card {
    border-radius: 16px;
    border: 1px solid var(--g100);
    background: #fff;
    padding: 24px;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.login-card .el-button--primary { width: 100%; }

.login-tip { margin-top: 16px; text-align: center; font-size: 12px; color: var(--g400); }