/* ============================================================
   小雫网盘 — 主样式
   设计基调：奶油白底 · 樱花粉点缀 · 大圆角 · 柔和阴影 · 猫耳元素
   全部手写，不依赖任何 CSS 框架
   ============================================================ */

:root{
  /* 主色 */
  --pink:        #ff9ec4;
  --pink-deep:   #f2779f;
  --pink-dark:   #e05c8b;
  --pink-soft:   #ffe4ee;
  --pink-mist:   #fff2f7;

  /* 中性色 */
  --cream:       #fffaf7;
  --cream-2:     #fff6f8;
  --white:       #ffffff;
  --ink:         #4b3f45;
  --ink-2:       #8a7c83;
  --ink-3:       #b7a9b0;
  --line:        #f4e6ec;
  --line-2:      #fbeef3;

  /* 语义色 */
  --ok:          #5fbf8f;
  --ok-soft:     #e8f7ef;
  --warn:        #e8b04b;
  --warn-soft:   #fdf3e2;
  --danger:      #ef7a8a;
  --danger-soft: #fdeaed;
  --info:        #7aa8e8;
  --info-soft:   #eaf2fd;

  /* 形状与阴影 */
  --radius-sm:   12px;
  --radius:      18px;
  --radius-lg:   26px;
  --radius-pill: 999px;
  --shadow-xs:   0 1px 3px rgba(199,133,160,.10);
  --shadow-sm:   0 3px 12px rgba(214,155,178,.14);
  --shadow:      0 10px 30px rgba(214,155,178,.18);
  --shadow-lg:   0 22px 60px rgba(200,130,160,.24);
  --ring:        0 0 0 4px rgba(255,158,196,.22);

  /* 背景图（由布局模板按需注入） */
  --site-bg: none;
  --site-bg-opacity: 1;
  --site-bg-blur: 0px;

  --sidebar-w:   248px;
  --topbar-h:    64px;
}

*,*::before,*::after{ box-sizing:border-box; }

/* hidden 属性必须始终有效：任何组件一旦给元素写了 display，
   就会覆盖浏览器对 [hidden] 的默认 display:none（例如浮层、面板） */
[hidden]{ display:none !important; }

html,body{ height:100%; }

body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei UI","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  font-size:15px;
  line-height:1.65;
  color:var(--ink);
  background:linear-gradient(150deg,#fffdfb 0%,var(--pink-mist) 42%,#fdf3f8 100%);
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
  min-height:100%;
  display:flex;
  flex-direction:column;
}

a{ color:var(--pink-dark); text-decoration:none; transition:color .18s ease; }
a:hover{ color:var(--pink-deep); }

h1,h2,h3,h4{ margin:0 0 .4em; font-weight:700; letter-spacing:.2px; color:var(--ink); }
p{ margin:0 0 .8em; }

::selection{ background:var(--pink-soft); color:var(--pink-dark); }

/* 滚动条 */
*::-webkit-scrollbar{ width:10px; height:10px; }
*::-webkit-scrollbar-track{ background:transparent; }
*::-webkit-scrollbar-thumb{ background:var(--pink-soft); border-radius:var(--radius-pill); border:2px solid transparent; background-clip:content-box; }
*::-webkit-scrollbar-thumb:hover{ background:var(--pink); background-clip:content-box; }

/* ---------- 图标 ---------- */
.icon{
  width:20px; height:20px; flex:none;
  fill:none; stroke:currentColor; stroke-width:1.7;
  stroke-linecap:round; stroke-linejoin:round;
  vertical-align:middle;
}
.icon-sm{ width:16px; height:16px; }
.icon-lg{ width:34px; height:34px; stroke-width:1.5; }
.icon-xl{ width:64px; height:64px; stroke-width:1.3; }

/* ---------- 背景图层 ---------- */
.bg-layer{
  position:fixed; inset:0; z-index:-1;
  background-image:var(--site-bg);
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  opacity:var(--site-bg-opacity);
  filter:blur(var(--site-bg-blur));
  transform:scale(1.04); /* 避免模糊时边缘露白 */
  pointer-events:none;
}
body.has-bg{ background:#fff; }
body.has-bg::after{
  content:''; position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.70),rgba(255,245,248,.86));
}

/* ---------- 公告条 ---------- */
.announce-bar{
  position:relative; z-index:5;
  display:flex; align-items:center; gap:10px;
  padding:10px 16px;
  background:linear-gradient(90deg,var(--pink-soft),var(--pink-mist));
  border-bottom:1px solid var(--line);
  color:var(--pink-dark);
  font-size:14px;
}
.announce-text{ flex:1; }
.announce-close{
  border:0; background:transparent; color:inherit; cursor:pointer;
  display:grid; place-items:center; padding:4px; border-radius:var(--radius-pill);
}
.announce-close:hover{ background:rgba(255,255,255,.7); }

/* ============================================================
   通用组件
   ============================================================ */

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:10px 18px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  background:var(--white);
  color:var(--ink);
  font-size:14.5px; font-weight:600; font-family:inherit;
  cursor:pointer;
  transition:transform .16s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  box-shadow:var(--shadow-xs);
  text-decoration:none;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-1px); box-shadow:var(--shadow-sm); color:var(--ink); }
.btn:active{ transform:translateY(0) scale(.985); }
.btn:disabled,.btn.is-disabled{ opacity:.55; cursor:not-allowed; transform:none; box-shadow:none; }

.btn-primary{
  background:linear-gradient(135deg,var(--pink) 0%,var(--pink-deep) 100%);
  color:#fff;
  box-shadow:0 8px 20px rgba(242,119,159,.32);
}
.btn-primary:hover{ color:#fff; box-shadow:0 12px 26px rgba(242,119,159,.42); }

.btn-soft{ background:var(--pink-mist); color:var(--pink-dark); border-color:var(--line); }
.btn-soft:hover{ background:var(--pink-soft); color:var(--pink-dark); }

.btn-ghost{ background:transparent; box-shadow:none; border-color:var(--line); color:var(--ink-2); }
.btn-ghost:hover{ background:var(--white); color:var(--ink); box-shadow:var(--shadow-xs); }

.btn-danger{ background:var(--danger-soft); color:var(--danger); border-color:#f8d7dd; }
.btn-danger:hover{ background:var(--danger); color:#fff; border-color:transparent; }

.btn-block{ width:100%; }
.btn-lg{ padding:14px 24px; font-size:16px; border-radius:var(--radius); }
.btn-sm{ padding:6px 12px; font-size:13px; }
.btn-icon{ padding:8px; border-radius:var(--radius-pill); }

.field{ display:block; margin-bottom:16px; }
.field-label{
  display:block; margin-bottom:7px;
  font-size:13px; font-weight:600; color:var(--ink-2); letter-spacing:.3px;
}
.field-box{
  display:flex; align-items:center; gap:10px;
  padding:0 14px;
  background:var(--white);
  border:1.5px solid var(--line);
  border-radius:var(--radius);
  transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.field-box:focus-within{
  border-color:var(--pink);
  box-shadow:var(--ring);
  background:#fffdfe;
}
.field-box > .icon{ color:var(--ink-3); }
.field-box:focus-within > .icon{ color:var(--pink-deep); }
.field-box input,
.field-box select,
.field-box textarea{
  flex:1; min-width:0;
  padding:13px 0;
  border:0; background:transparent; outline:none;
  font-size:15px; font-family:inherit; color:var(--ink);
}
.field-box input::placeholder{ color:var(--ink-3); }
.field-eye{
  border:0; background:transparent; color:var(--ink-3);
  cursor:pointer; padding:6px; border-radius:var(--radius-pill);
  display:grid; place-items:center;
}
.field-eye:hover{ color:var(--pink-deep); background:var(--pink-mist); }
.field-hint{ margin-top:6px; font-size:12.5px; color:var(--ink-3); }

/* 大输入框（多行） */
.field-box.textarea{ align-items:flex-start; padding-top:6px; }
.field-box textarea{ resize:vertical; min-height:90px; line-height:1.6; }

.card{
  background:var(--white);
  border:1px solid var(--line-2);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:22px 24px;
}
.card + .card{ margin-top:18px; }
.card-title{
  display:flex; align-items:center; gap:9px;
  margin:0 0 16px; font-size:16.5px; font-weight:700;
}
.card-title .icon{ color:var(--pink-deep); }

.alert{
  display:flex; align-items:flex-start; gap:9px;
  padding:12px 15px; margin-bottom:16px;
  border-radius:var(--radius);
  font-size:14px;
  border:1px solid transparent;
}
.alert .icon{ margin-top:2px; }
.alert-ok{ background:var(--ok-soft); color:#3d8b67; border-color:#cdeedd; }
.alert-error{ background:var(--danger-soft); color:#b95263; border-color:#f8d7dd; }
.alert-warn{ background:var(--warn-soft); color:#a8752a; border-color:#f7e6c8; }
.alert-info{ background:var(--info-soft); color:#3f70b8; border-color:#d8e7fa; }

.badge{
  display:inline-flex; align-items:center; gap:5px;
  padding:3px 10px; border-radius:var(--radius-pill);
  font-size:12px; font-weight:600;
  background:var(--pink-mist); color:var(--pink-dark);
}
.badge-ok{ background:var(--ok-soft); color:#3d8b67; }
.badge-warn{ background:var(--warn-soft); color:#a8752a; }
.badge-danger{ background:var(--danger-soft); color:#b95263; }
.badge-muted{ background:#f5f2f4; color:var(--ink-2); }

.table-wrap{ overflow-x:auto; border-radius:var(--radius); }
table.data{ width:100%; border-collapse:collapse; font-size:14px; }
table.data th,table.data td{
  padding:12px 14px; text-align:left;
  border-bottom:1px solid var(--line-2);
  vertical-align:middle;
}
table.data th{
  font-size:12.5px; font-weight:700; color:var(--ink-2);
  background:var(--pink-mist); white-space:nowrap;
}
table.data th:first-child{ border-top-left-radius:var(--radius); }
table.data th:last-child{ border-top-right-radius:var(--radius); }
table.data tbody tr{ transition:background .16s ease; }
table.data tbody tr:hover{ background:#fffafc; }
table.data tbody tr:last-child td{ border-bottom:0; }
.cell-name{ display:flex; align-items:center; gap:9px; min-width:0; }
.cell-name .icon{ color:var(--pink-deep); }
.cell-name span{ overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.text-muted{ color:var(--ink-2); }
.text-dim{ color:var(--ink-3); font-size:12.5px; }
.text-right{ text-align:right; }
.text-center{ text-align:center; }
.mono{ font-family:ui-monospace,SFMono-Regular,"SF Mono",Consolas,"Liberation Mono",Menlo,monospace; font-size:13px; }

.empty{
  padding:52px 20px; text-align:center; color:var(--ink-2);
}
.empty .icon{ width:56px; height:56px; color:var(--pink-soft); stroke-width:1.2; }
.empty p{ margin:12px 0 0; }

/* 加载遮罩 */
.loading-mask{
  position:fixed; inset:0; z-index:900;
  background:rgba(255,250,252,.72);
  backdrop-filter:blur(3px);
  display:none; place-items:center;
}
.loading-mask.is-on{ display:grid; }
.loading-paw{ display:flex; gap:7px; }
.loading-paw i{
  width:11px; height:11px; border-radius:50%;
  background:var(--pink);
  animation:bounce 1.1s infinite ease-in-out;
}
.loading-paw i:nth-child(2){ animation-delay:.14s; background:var(--pink-deep); }
.loading-paw i:nth-child(3){ animation-delay:.28s; }
.loading-paw i:nth-child(4){ animation-delay:.42s; background:var(--pink-deep); }
@keyframes bounce{
  0%,80%,100%{ transform:translateY(0); opacity:.55; }
  40%{ transform:translateY(-11px); opacity:1; }
}

/* 轻提示 */
.toast-wrap{
  position:fixed; z-index:1000; right:20px; bottom:24px;
  display:flex; flex-direction:column; gap:10px; align-items:flex-end;
  pointer-events:none;
}
.toast{
  pointer-events:auto;
  display:flex; align-items:center; gap:9px;
  min-width:180px; max-width:min(82vw,380px);
  padding:12px 16px;
  background:var(--white);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  border-left:4px solid var(--pink);
  font-size:14px;
  animation:toastIn .28s cubic-bezier(.2,.9,.3,1.2);
}
.toast.is-hide{ animation:toastOut .22s ease forwards; }
.toast-ok{ border-left-color:var(--ok); }
.toast-ok .icon{ color:var(--ok); }
.toast-error{ border-left-color:var(--danger); }
.toast-error .icon{ color:var(--danger); }
.toast .icon{ color:var(--pink-deep); }
@keyframes toastIn{ from{ opacity:0; transform:translateY(14px) scale(.96); } to{ opacity:1; transform:none; } }
@keyframes toastOut{ to{ opacity:0; transform:translateY(8px) scale(.97); } }

/* ============================================================
   登录页
   ============================================================ */
.login-page{
  flex:1;
  display:grid; place-items:center;
  padding:48px 20px 32px;
}
.login-card{
  position:relative;
  width:100%; max-width:412px;
  padding:44px 34px 30px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.9);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);
  animation:cardIn .5s cubic-bezier(.2,.9,.3,1.05);
}
@keyframes cardIn{ from{ opacity:0; transform:translateY(18px) scale(.98); } to{ opacity:1; transform:none; } }

/* 猫耳 */
.cat-ears{ position:absolute; top:-24px; left:0; right:0; height:52px; pointer-events:none; }
.cat-ears .ear{
  position:absolute; top:0; width:60px; height:54px;
  background:linear-gradient(160deg,var(--pink) 0%,var(--pink-deep) 100%);
  clip-path:polygon(50% 0%,100% 100%,0% 100%);
  filter:drop-shadow(0 -2px 6px rgba(242,119,159,.3));
}
.cat-ears .ear::after{
  content:''; position:absolute; inset:14px 15px 0 15px;
  background:var(--pink-soft);
  clip-path:polygon(50% 0%,100% 100%,0% 100%);
}
.cat-ears .ear-left{ left:52px; transform:rotate(-15deg); }
.cat-ears .ear-right{ right:52px; transform:rotate(15deg); }
.login-card:hover .ear-left{ transform:rotate(-19deg); }
.login-card:hover .ear-right{ transform:rotate(19deg); }
.cat-ears .ear{ transition:transform .35s cubic-bezier(.2,.9,.3,1.4); }

.login-head{ text-align:center; margin-bottom:26px; }
.login-avatar{
  width:80px; height:80px; margin:0 auto 14px;
  display:grid; place-items:center;
  border-radius:50%;
  background:linear-gradient(140deg,var(--pink-soft),#fff);
  color:var(--pink-deep);
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.9), 0 8px 20px rgba(242,119,159,.22);
  animation:floaty 4s ease-in-out infinite;
}
@keyframes floaty{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-5px); } }
.login-title{ font-size:23px; margin-bottom:4px; }
.login-sub{ margin:0; font-size:13.5px; color:var(--ink-2); }

.login-form{ margin-top:4px; }
.login-form .btn-lg{ margin-top:8px; }
.login-note{
  display:flex; align-items:center; justify-content:center; gap:6px;
  margin:20px 0 0; font-size:12.5px; color:var(--ink-3);
}
.login-note .icon{ color:var(--pink); }

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  padding:18px 20px 22px;
  text-align:center;
  font-size:12.5px; color:var(--ink-3);
  display:flex; flex-direction:column; gap:4px; align-items:center;
}
.footer-brand{ color:var(--pink); }

/* ============================================================
   错误页
   ============================================================ */
.page-error{
  display:grid; place-items:center;
  min-height:100vh; padding:32px 20px;
}
.error-card{
  text-align:center; max-width:460px;
  padding:40px 30px;
  background:rgba(255,255,255,.95);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
}
.error-emoji{ font-size:46px; margin-bottom:6px; }
.error-card h1{ font-size:21px; }
.error-card p{ color:var(--ink-2); }

/* ============================================================
   后台布局
   ============================================================ */
.layout-admin{
  display:block;
  background:linear-gradient(150deg,#fffdfb 0%,var(--pink-mist) 55%,#fdf3f8 100%);
  min-height:100vh;
}
.admin-shell{ display:flex; min-height:100vh; }

.sidebar{
  width:var(--sidebar-w); flex:none;
  padding:20px 14px 22px;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(12px);
  border-right:1px solid var(--line);
  display:flex; flex-direction:column; gap:6px;
  position:sticky; top:0; height:100vh; overflow-y:auto;
  z-index:30;
}
.brand{
  display:flex; align-items:center; gap:10px;
  padding:8px 10px 18px;
  font-weight:800; font-size:16px; color:var(--ink);
}
.brand .brand-mark{
  width:38px; height:38px; flex:none;
  display:grid; place-items:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--pink),var(--pink-deep));
  color:#fff;
  box-shadow:0 6px 14px rgba(242,119,159,.3);
}
.brand small{ display:block; font-size:11px; font-weight:500; color:var(--ink-3); letter-spacing:.4px; }

.nav-group-label{
  padding:14px 12px 6px;
  font-size:11px; font-weight:700; letter-spacing:1.2px;
  color:var(--ink-3); text-transform:uppercase;
}
.nav-item{
  display:flex; align-items:center; gap:11px;
  padding:11px 13px;
  border-radius:var(--radius);
  color:var(--ink-2); font-size:14.5px; font-weight:600;
  transition:background .18s ease, color .18s ease, transform .18s ease;
}
.nav-item .icon{ color:var(--ink-3); transition:color .18s ease; }
.nav-item:hover{ background:var(--pink-mist); color:var(--pink-dark); transform:translateX(2px); }
.nav-item:hover .icon{ color:var(--pink-deep); }
.nav-item.is-active{
  background:linear-gradient(135deg,var(--pink),var(--pink-deep));
  color:#fff;
  box-shadow:0 8px 18px rgba(242,119,159,.28);
}
.nav-item.is-active .icon{ color:#fff; }

.sidebar-foot{ margin-top:auto; padding:10px 6px 0; }
.sidebar-user{
  display:flex; align-items:center; gap:10px;
  padding:11px 12px; border-radius:var(--radius);
  background:var(--pink-mist);
}
.sidebar-user .avatar{
  width:34px; height:34px; flex:none; display:grid; place-items:center;
  border-radius:50%; background:#fff; color:var(--pink-deep);
  box-shadow:var(--shadow-xs);
}
.sidebar-user .who{ min-width:0; }
.sidebar-user strong{ display:block; font-size:13.5px; }
.sidebar-user small{ color:var(--ink-3); font-size:11.5px; }

.admin-main{ flex:1; min-width:0; display:flex; flex-direction:column; }

.topbar{
  height:var(--topbar-h); flex:none;
  display:flex; align-items:center; gap:14px;
  padding:0 24px;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:20;
}
.topbar h1{ font-size:17px; margin:0; }
.topbar-spacer{ flex:1; }
.topbar .icon-btn{
  width:38px; height:38px; border-radius:var(--radius-pill);
  display:grid; place-items:center;
  border:1px solid var(--line); background:#fff; color:var(--ink-2);
  cursor:pointer; transition:all .18s ease;
}
.topbar .icon-btn:hover{ color:var(--pink-dark); border-color:var(--pink-soft); background:var(--pink-mist); }
.sidebar-toggle{ display:none; }

.admin-content{ padding:24px; max-width:1320px; width:100%; }

/* 统计卡片 */
.stat-grid{
  display:grid; gap:16px;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  margin-bottom:20px;
}
.stat-card{
  position:relative; overflow:hidden;
  padding:18px 20px;
  background:var(--white);
  border:1px solid var(--line-2);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-xs);
  transition:transform .2s ease, box-shadow .2s ease;
}
.stat-card:hover{ transform:translateY(-2px); box-shadow:var(--shadow-sm); }
.stat-card::after{
  content:''; position:absolute; right:-24px; top:-24px;
  width:90px; height:90px; border-radius:50%;
  background:var(--pink-mist);
}
.stat-card .stat-icon{
  position:relative; z-index:1;
  width:42px; height:42px; display:grid; place-items:center;
  border-radius:13px; background:var(--pink-mist); color:var(--pink-deep);
  margin-bottom:12px;
}
.stat-card .stat-value{ position:relative; z-index:1; font-size:25px; font-weight:800; letter-spacing:-.4px; }
.stat-card .stat-label{ position:relative; z-index:1; font-size:12.5px; color:var(--ink-2); }

.panel{ background:var(--white); border:1px solid var(--line-2); border-radius:var(--radius-lg); box-shadow:var(--shadow-xs); }
.panel-head{
  display:flex; align-items:center; gap:10px;
  padding:16px 20px; border-bottom:1px solid var(--line-2);
  font-weight:700; font-size:15px;
}
.panel-head .icon{ color:var(--pink-deep); }
.panel-head .spacer{ flex:1; }
.panel-body{ padding:20px; }

.grid-2{ display:grid; gap:18px; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); }

/* 后台背景图 */
.layout-admin.has-bg{ background:#fff; }
.layout-admin.has-bg .admin-content{
  background:rgba(255,255,255,.55);
  border-radius:var(--radius-lg);
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:900px){
  .sidebar{
    position:fixed; inset:0 auto 0 0;
    transform:translateX(-100%);
    transition:transform .26s cubic-bezier(.3,.8,.3,1);
    box-shadow:var(--shadow-lg);
  }
  .sidebar.is-open{ transform:none; }
  .sidebar-toggle{ display:grid; }
  .admin-content{ padding:16px; }
  .topbar{ padding:0 14px; }
  .sidebar-mask{
    position:fixed; inset:0; z-index:25;
    background:rgba(75,63,69,.28); backdrop-filter:blur(2px);
    display:none;
  }
  .sidebar-mask.is-on{ display:block; }
}

@media (max-width:560px){
  .login-card{ padding:38px 22px 26px; }
  .cat-ears .ear-left{ left:34px; }
  .cat-ears .ear-right{ right:34px; }
  .stat-grid{ grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); }
  .toast-wrap{ right:12px; left:12px; bottom:14px; align-items:stretch; }
}

@media (prefers-reduced-motion:reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
}