/* ============================================================
   Admin CSS — 后台管理
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:      #e8441a;
  --primary-dark: #c23410;
  --primary-glow: rgba(232,68,26,.25);
  --bg:           #090909;
  --bg2:          #0f0f0f;
  --bg3:          #161616;
  --bg4:          #1c1c1c;
  --card:         #131313;
  --card2:        #1a1a1a;
  --border:       #202020;
  --border2:      #2c2c2c;
  --text:         #e8e8e8;
  --text2:        #878787;
  --text3:        #4e4e4e;
  --white:        #ffffff;
  --success:      #00c864;
  --danger:       #e8441a;
  --warning:      #ffb400;
  --info:         #00a0ff;
  --sidebar-w:    256px;
  --header-h:     58px;
  --trans:        .22s cubic-bezier(.4,0,.2,1);
}

html, body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  font-size: 14px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

/* ============================================================
   登录页 — 不对称布局
   ============================================================ */
.login-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
}

.login-left {
  background: var(--primary);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 4rem;
  overflow: hidden;
}
.login-left::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  border: 70px solid rgba(255,255,255,.06);
  border-radius: 50%;
}
.login-left::after {
  content: '';
  position: absolute;
  bottom: 100px; left: -140px;
  width: 600px; height: 600px;
  border: 90px solid rgba(255,255,255,.04);
  border-radius: 50%;
}
.login-left-accent {
  position: absolute;
  top: 40%;
  left: 4rem;
  width: 2px;
  height: 80px;
  background: rgba(255,255,255,.35);
}

.login-brand {
  position: absolute;
  top: 3.5rem; left: 4rem;
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: .07em;
  z-index: 2;
}

.login-headline {
  position: relative;
  z-index: 2;
}
.login-headline h1 {
  font-size: 3rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1.12;
  letter-spacing: -.03em;
  margin-bottom: 1.1rem;
}
.login-headline p {
  font-size: .95rem;
  color: rgba(255,255,255,.68);
  max-width: 260px;
  line-height: 1.75;
}
.login-headline-tags {
  margin-top: 2.5rem;
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}
.login-tag {
  border: 1px solid rgba(255,255,255,.3);
  color: rgba(255,255,255,.75);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .3rem .85rem;
}

.login-right {
  background: var(--bg2);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3.5rem;
  position: relative;
}
.login-right-decor {
  position: absolute;
  top: 2rem; right: 2.2rem;
  font-size: .65rem;
  color: var(--text3);
  letter-spacing: .15em;
  text-transform: uppercase;
}
.login-back {
  position: absolute;
  bottom: 2.5rem; right: 3rem;
  font-size: .78rem;
  color: var(--text3);
  transition: color var(--trans);
  display: flex;
  align-items: center;
  gap: .4rem;
}
.login-back:hover { color: var(--primary); }

.login-box {
  width: 100%;
  max-width: 400px;
}
.login-title {
  font-size: 1.9rem;
  font-weight: 900;
  color: var(--white);
  margin-bottom: .45rem;
  letter-spacing: -.025em;
}
.login-subtitle {
  font-size: .85rem;
  color: var(--text2);
  margin-bottom: 2.8rem;
}

/* ============================================================
   表单通用
   ============================================================ */
.form-group { margin-bottom: 1.4rem; }
.form-label {
  display: block;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: .5rem;
}
.form-control {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: .78rem 1rem;
  font-size: .92rem;
  border-radius: 0;
  outline: none;
  transition: border-color var(--trans), background var(--trans);
  font-family: inherit;
}
.form-control:focus {
  border-color: var(--primary);
  background: var(--bg4);
  box-shadow: 0 0 0 3px rgba(232,68,26,.1);
}
.form-control::placeholder { color: var(--text3); }

textarea.form-control {
  resize: vertical;
  min-height: 120px;
  line-height: 1.65;
}
select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23555' stroke-width='1.5' fill='none' stroke-linecap='square'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.6rem;
}

.form-hint {
  font-size: .72rem;
  color: var(--text3);
  margin-top: .35rem;
  line-height: 1.55;
}
.form-error {
  font-size: .75rem;
  color: var(--danger);
  margin-top: .35rem;
}

.pass-wrap { position: relative; }
.pass-toggle {
  position: absolute;
  right: .9rem; top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  font-size: .78rem;
  padding: .2rem .4rem;
  transition: color var(--trans);
}
.pass-toggle:hover { color: var(--text); }

/* ============================================================
   按钮
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  border: none;
  cursor: pointer;
  border-radius: 0;
  font-family: inherit;
  font-weight: 700;
  letter-spacing: .05em;
  transition: all var(--trans);
  padding: .7rem 1.6rem;
  font-size: .88rem;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
  border: 2px solid var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 22px var(--primary-glow);
}
.btn-secondary {
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border2);
}
.btn-secondary:hover {
  border-color: var(--text2);
  color: var(--text);
  background: var(--bg3);
}
.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(232,68,26,.4);
}
.btn-danger:hover {
  background: rgba(232,68,26,.1);
  border-color: var(--danger);
}
.btn-success {
  background: var(--success);
  color: var(--white);
  border: 2px solid var(--success);
}
.btn-success:hover { background: #00ad56; border-color: #00ad56; }
.btn-sm { padding: .36rem 1rem; font-size: .76rem; }
.btn-full { width: 100%; }

/* ============================================================
   管理布局 — Sidebar + Main
   ============================================================ */
.admin-layout {
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  background: var(--bg2);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border2) transparent;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border2); }

.sidebar-logo {
  padding: 1.4rem 1.6rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: .8rem;
  flex-shrink: 0;
}
.sidebar-logo-icon {
  width: 32px; height: 32px;
  background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-size: .85rem;
  font-weight: 900;
  flex-shrink: 0;
}
.sidebar-logo-text {
  font-size: .95rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: .04em;
  line-height: 1.2;
}
.sidebar-logo-sub {
  font-size: .63rem;
  color: var(--text3);
  letter-spacing: .08em;
}

.sidebar-section { padding: 1.4rem 0 .4rem; }
.sidebar-section-label {
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text3);
  padding: 0 1.6rem;
  margin-bottom: .45rem;
}

.sidebar-nav { list-style: none; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .62rem 1.6rem;
  font-size: .84rem;
  color: var(--text2);
  transition: all var(--trans);
  position: relative;
}
.sidebar-nav a::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--primary);
  transform: scaleY(0);
  transition: transform var(--trans);
}
.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: var(--bg3);
  color: var(--white);
}
.sidebar-nav a.active::before { transform: scaleY(1); }
.sidebar-nav a:hover::before  { transform: scaleY(1); }

.nav-icon {
  width: 17px;
  text-align: center;
  flex-shrink: 0;
  font-size: .9rem;
  opacity: .75;
}
.sidebar-nav a:hover .nav-icon,
.sidebar-nav a.active .nav-icon { opacity: 1; }

.nav-badge {
  margin-left: auto;
  background: var(--primary);
  color: var(--white);
  font-size: .58rem;
  font-weight: 700;
  padding: .08rem .42rem;
  min-width: 18px;
  text-align: center;
  letter-spacing: 0;
}

.sidebar-bottom {
  margin-top: auto;
  padding: 1.3rem 1.6rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.sidebar-avatar {
  width: 32px; height: 32px;
  background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-size: .75rem;
  font-weight: 700;
  flex-shrink: 0;
}
.sidebar-user-name {
  font-size: .84rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}
.sidebar-user-role {
  font-size: .65rem;
  color: var(--text3);
  letter-spacing: .04em;
}
.sidebar-logout {
  margin-left: auto;
  color: var(--text3);
  font-size: .88rem;
  transition: color var(--trans);
  cursor: pointer;
  padding: .2rem;
}
.sidebar-logout:hover { color: var(--danger); }

/* Main */
.admin-main {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Topbar */
.admin-topbar {
  height: var(--header-h);
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.2rem;
  position: sticky;
  top: 0;
  z-index: 50;
  flex-shrink: 0;
}
.topbar-left { display: flex; flex-direction: column; }
.topbar-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}
.topbar-breadcrumb { font-size: .68rem; color: var(--text3); }
.topbar-breadcrumb a { color: var(--text3); }
.topbar-breadcrumb a:hover { color: var(--primary); }
.topbar-right {
  display: flex;
  align-items: center;
  gap: .9rem;
}
.topbar-time {
  font-size: .74rem;
  color: var(--text3);
  letter-spacing: .04em;
}

/* Content */
.admin-content {
  padding: 2.2rem;
  flex: 1;
}

/* Page header */
.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
  flex-wrap: wrap;
}
.page-title {
  font-size: 1.55rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -.025em;
  line-height: 1.15;
}
.page-subtitle {
  font-size: .8rem;
  color: var(--text2);
  margin-top: .3rem;
}
.page-actions { display: flex; gap: .7rem; flex-wrap: wrap; }

/* 数据统计卡片 */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--card);
  padding: 1.5rem 1.7rem;
  position: relative;
  overflow: hidden;
  transition: background var(--trans);
}
.stat-card:hover { background: var(--card2); }
.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--trans);
}
.stat-card:hover::after { transform: scaleX(1); }
.stat-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .9rem;
}
.stat-card-label {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--text3);
}
.stat-card-icon {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  font-size: .95rem;
  border: 1px solid var(--border2);
  color: var(--text3);
}
.stat-card-num {
  font-size: 2.3rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  margin-bottom: .28rem;
  letter-spacing: -.03em;
}
.stat-card-sub { font-size: .72rem; color: var(--text3); }

/* 表格区块 */
.table-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  overflow: hidden;
}
.table-toolbar {
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  background: var(--bg3);
}
.table-toolbar-title {
  font-size: .85rem;
  font-weight: 700;
  color: var(--text);
}
.table-toolbar-right {
  display: flex;
  gap: .55rem;
  align-items: center;
  flex-wrap: wrap;
}

.search-input {
  background: var(--bg4);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: .42rem .85rem;
  font-size: .78rem;
  border-radius: 0;
  outline: none;
  width: 200px;
  transition: border-color var(--trans);
  font-family: inherit;
}
.search-input:focus { border-color: var(--primary); }
.search-input::placeholder { color: var(--text3); }

.filter-select {
  background: var(--bg4);
  border: 1px solid var(--border2);
  color: var(--text2);
  padding: .42rem .85rem;
  font-size: .78rem;
  border-radius: 0;
  outline: none;
  cursor: pointer;
  transition: border-color var(--trans);
  font-family: inherit;
  appearance: none;
  padding-right: 1.7rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23444' stroke-width='1.5' fill='none' stroke-linecap='square'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .5rem center;
}
.filter-select:focus { border-color: var(--primary); }

.admin-table {
  width: 100%;
  border-collapse: collapse;
}
.admin-table th {
  background: var(--bg3);
  color: var(--text3);
  font-size: .64rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  padding: .85rem 1.2rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.admin-table td {
  padding: .95rem 1.2rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(255,255,255,.02); }

.td-title {
  font-weight: 600;
  color: var(--white);
  max-width: 260px;
  line-height: 1.4;
}
.td-sub {
  font-size: .72rem;
  color: var(--text3);
  margin-top: .2rem;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 状态徽章 */
.badge {
  display: inline-flex;
  align-items: center;
  padding: .2rem .72rem;
  font-size: .64rem;
  font-weight: 700;
  letter-spacing: .08em;
  border-radius: 0;
  white-space: nowrap;
  text-transform: uppercase;
}
.badge-make     { background: rgba(255,176,0,.12);  color: #ffb400; border: 1px solid rgba(255,176,0,.3); }
.badge-update   { background: rgba(0,160,255,.12);  color: #00a0ff; border: 1px solid rgba(0,160,255,.3); }
.badge-publish  { background: rgba(232,68,26,.12);  color: #e8441a; border: 1px solid rgba(232,68,26,.3); }
.badge-published{ background: rgba(0,200,100,.12);  color: #00c864; border: 1px solid rgba(0,200,100,.3); }

/* 操作按钮 */
.action-btns {
  display: flex;
  gap: .4rem;
  align-items: center;
  flex-wrap: wrap;
}

/* 分页 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .9rem 1.4rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: .7rem;
  background: var(--bg3);
}
.pagination-info {
  font-size: .74rem;
  color: var(--text3);
}
.pagination-btns { display: flex; gap: .35rem; }
.page-btn {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--text2);
  font-size: .78rem;
  cursor: pointer;
  border-radius: 0;
  transition: all var(--trans);
}
.page-btn:hover,
.page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}
.page-btn:disabled { opacity: .3; cursor: not-allowed; }

/* 编辑页布局 */
.edit-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 1.4rem;
  align-items: start;
}
.edit-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 1.8rem;
}
.edit-card-title {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 1.4rem;
  padding-bottom: .7rem;
  border-bottom: 1px solid var(--border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* 创作者快选 */
.creator-pick {
  display: flex;
  gap: .55rem;
  flex-wrap: wrap;
}
.creator-pick-item {
  border: 1px solid var(--border2);
  padding: .48rem 1rem;
  font-size: .8rem;
  color: var(--text2);
  cursor: pointer;
  transition: all var(--trans);
  background: transparent;
  font-family: inherit;
  font-weight: 600;
  border-radius: 0;
  letter-spacing: .04em;
}
.creator-pick-item:hover,
.creator-pick-item.selected {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

/* 提示消息 */
.alert {
  padding: .88rem 1.2rem;
  margin-bottom: 1.4rem;
  font-size: .85rem;
  border-left: 3px solid;
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  line-height: 1.55;
}
.alert-success { background: rgba(0,200,100,.08);  border-color: var(--success); color: var(--success); }
.alert-error   { background: rgba(232,68,26,.08);  border-color: var(--danger);  color: var(--danger);  }
.alert-warning { background: rgba(255,180,0,.08);  border-color: var(--warning); color: var(--warning); }
.alert-info    { background: rgba(0,160,255,.08);  border-color: var(--info);    color: var(--info);    }

/* 空状态 */
.empty-wrap {
  padding: 4.5rem 2rem;
  text-align: center;
}
.empty-wrap p {
  color: var(--text3);
  font-size: .92rem;
}

/* 上传区域 */
.upload-zone {
  border: 1px dashed var(--border2);
  padding: 2.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--trans), background var(--trans);
  background: var(--bg3);
}
.upload-zone:hover { border-color: var(--primary); background: rgba(232,68,26,.03); }
.upload-icon { font-size: 2rem; color: var(--text3); margin-bottom: .7rem; }
.upload-text { font-size: .85rem; color: var(--text2); }
.upload-hint { font-size: .72rem; color: var(--text3); margin-top: .3rem; }

/* 分隔线 */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.4rem 0;
}

/* ============================================================
   响应式
   ============================================================ */

/* 汉堡按钮 */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 14px;
  z-index: 200;
  width: 38px; height: 38px;
  background: var(--bg2);
  border: 1px solid var(--border2);
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 6px;
}
.sidebar-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: var(--text);
  transition: transform .25s, opacity .2s, width .2s;
  transform-origin: center;
}
.sidebar-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.sidebar-toggle.open span:nth-child(2) { opacity: 0; width: 0; }
.sidebar-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 遮罩 */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 99;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s;
  backdrop-filter: blur(2px);
}
.sidebar-overlay.active { opacity: 1; pointer-events: auto; }

/* 移动端视频卡片 — 默认隐藏 */
.mobile-cards { display: none; }
/* 移动端底部固定栏 — 默认隐藏 */
.mobile-fab-bar { display: none; }
/* 桌面表格 — 默认显示 */
.desktop-table { display: block; }

@media (max-width: 1100px) {
  .stats-row   { grid-template-columns: 1fr 1fr; }
  .edit-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  /* 侧栏：隐藏，点击按钮展开 */
  .sidebar-toggle  { display: flex; }
  .sidebar-overlay { display: block; }
  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--trans);
    z-index: 150;
  }
  .sidebar.open { transform: translateX(0); }

  /* 主内容区不再偏移 */
  .admin-main { margin-left: 0; }

  /* Topbar */
  .admin-topbar {
    padding: 0 1rem 0 3.8rem;
  }
  .topbar-time { display: none; }
  .topbar-breadcrumb { display: none; }

  /* 内容区 */
  .admin-content { padding: 1rem; }

  /* 统计卡片 */
  .stats-row { grid-template-columns: 1fr 1fr; }

  /* 表格 → 移动端改卡片 */
  .desktop-table { display: none; }
  .mobile-cards  { display: block; }

  /* 工具栏 */
  .table-toolbar { flex-direction: column; align-items: flex-start; gap: .7rem; }
  .table-toolbar-right { width: 100%; }
  .table-toolbar-right form { flex-direction: column; width: 100%; }
  .search-input { width: 100%; }
  .filter-select { width: 100%; }
  .table-toolbar-right .btn { width: 100%; justify-content: center; }

  /* 编辑页 */
  .edit-layout { grid-template-columns: 1fr; }
  .form-row    { grid-template-columns: 1fr; }

  /* 编辑页底部固定操作栏 */
  .mobile-fab-bar {
    display: flex;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    padding: .75rem 1rem;
    padding-bottom: calc(.75rem + env(safe-area-inset-bottom));
    background: var(--bg2);
    border-top: 1px solid var(--border);
    gap: .6rem;
    z-index: 90;
  }
  /* 编辑页内容底部留出固定栏高度，不被遮挡 */
  .admin-content { padding-bottom: 5rem; }

  /* 分页 */
  .pagination { flex-direction: column; align-items: flex-start; }

  /* 登录页 */
  .login-page  { grid-template-columns: 1fr; }
  .login-left  { display: none; }
  .login-right { padding: 2.5rem 1.5rem; min-height: 100vh; }

  /* 上传区域触控优化 */
  .upload-zone { padding: 1.6rem 1rem; min-height: 100px; }
  .upload-icon { font-size: 1.6rem; margin-bottom: .5rem; }

  /* 表单控件触控优化 */
  .form-control { padding: .88rem 1rem; font-size: 1rem; }
  select.form-control { font-size: 1rem; }
  .btn      { padding: .78rem 1.4rem; font-size: .88rem; min-height: 44px; }
  .btn-sm   { padding: .6rem 1rem;   font-size: .82rem; min-height: 40px; }
  .creator-pick-item { padding: .65rem 1.1rem; font-size: .88rem; min-height: 40px; }

  /* page-header 紧凑 */
  .page-header { margin-bottom: 1.2rem; padding-bottom: 1rem; }
  .page-title  { font-size: 1.3rem; }
}

/* 视频卡片样式 */
.vid-card {
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  background: var(--card);
  transition: background var(--trans);
}
.vid-card:last-child { border-bottom: none; }
.vid-card:active { background: var(--card2); }

.vid-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .5rem;
  gap: .5rem;
  flex-wrap: wrap;
}
.vid-card-meta {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}
.vid-card-creator {
  font-size: .72rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .02em;
}
.vid-card-date {
  font-size: .7rem;
  color: var(--text3);
  white-space: nowrap;
}
.vid-card-title {
  font-size: .96rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.4;
  margin-bottom: .3rem;
}
.vid-card-desc {
  font-size: .78rem;
  color: var(--text3);
  line-height: 1.5;
  margin-bottom: .55rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.vid-card-link {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--bg3);
  border: 1px solid var(--border2);
  padding: .45rem .7rem;
  margin-bottom: .7rem;
}
.vid-card-link-text {
  flex: 1;
  font-size: .65rem;
  color: var(--text3);
  font-family: monospace;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.vid-card-copy {
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text2);
  font-size: .7rem;
  padding: .28rem .7rem;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  white-space: nowrap;
  transition: all var(--trans);
}
.vid-card-copy:active { background: var(--primary); border-color: var(--primary); color: var(--white); }

.vid-card-actions {
  display: flex;
  gap: .5rem;
}
.vid-card-btn {
  flex: 1;
  justify-content: center;
  min-height: 40px;
}

@media (max-width: 480px) {
  .stats-row { grid-template-columns: 1fr 1fr; }
  .stat-card { padding: 1rem 1.1rem; }
  .stat-card-num { font-size: 1.8rem; }
  .admin-topbar { height: auto; min-height: var(--header-h); padding: .75rem 1rem .75rem 3.8rem; }
  .page-title { font-size: 1.15rem; }
  .edit-card  { padding: 1rem; }
  .admin-content { padding: .8rem; padding-bottom: 5rem; }
}

/* ============================================================
   动画
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn .4s cubic-bezier(.22,1,.36,1) both; }