/* =========================================================
 * 校园宿舍管理系统 · 样式表（浅色主题 / 全响应式）
 * ========================================================= */
:root{
  --brand:#6366f1; --brand-2:#8b5cf6; --brand-soft:#eef0ff; --brand-deep:#4f46e5;
  --bg:#f4f5fb; --card:#fff; --line:#eceef5;
  --text:#1f2430; --text-1:#1f2430; --text-2:#5b6478; --muted:#9aa2b6;
  --ok:#10b981; --ok-soft:#e7f8f1;
  --warn:#f59e0b; --warn-soft:#fff5e6;
  --danger:#ef4444; --danger-soft:#feecec;
  --fill-2:#f7f8fd;
  --r-l:18px; --r-m:13px; --r-s:9px;
  --sh-1:0 1px 2px rgba(24,32,60,.04),0 8px 22px rgba(24,32,60,.05);
  --sh-2:0 14px 44px rgba(67,56,202,.14);
  --side-w:228px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(1100px 560px at 102% -8%, #e9ecff 0%, rgba(233,236,255,0) 55%),
    radial-gradient(900px 520px at -8% 0%, #f6ecff 0%, rgba(246,236,255,0) 50%),
    var(--bg);
  background-attachment:fixed;
  color:var(--text);
  font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-weight:650}
table{border-collapse:collapse;width:100%}
input,select,textarea,button{font-family:inherit}
.muted{color:var(--muted)}
.text-danger{color:var(--danger)!important;font-weight:600}
.loading{padding:60px 0;text-align:center;color:var(--muted)}
.empty{padding:48px 16px;text-align:center;color:var(--muted)}
.logo-dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--brand),#22d3ee);display:inline-block;margin-right:8px;box-shadow:0 0 0 4px rgba(99,102,241,.12)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:38px;padding:0 16px;border:1px solid transparent;border-radius:var(--r-s);
  background:#f1f3f9;color:var(--text);font-size:14px;cursor:pointer;
  transition:.16s;white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(24,32,60,.10)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}
.btn--primary{background:linear-gradient(135deg,#6d6bf0,#5b53e8);color:#fff;box-shadow:0 6px 16px rgba(99,102,241,.30)}
.btn--primary:hover{background:linear-gradient(135deg,#615ef0,#4f46e5)}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--text-2)}
.btn--ghost:hover{border-color:#c9cfe0;color:var(--text);box-shadow:none}
.btn--danger{background:linear-gradient(135deg,#f87171,#ef4444);color:#fff}
.btn--danger:hover{background:linear-gradient(135deg,#ef6b6b,#dc3838)}
.btn--sm{height:32px;padding:0 12px;font-size:13px;border-radius:8px}
.btn--block{width:100%}
.btn.is-loading{position:relative;color:transparent!important}
.btn.is-loading::after{
  content:"";position:absolute;width:15px;height:15px;border-radius:50%;
  border:2px solid rgba(255,255,255,.45);border-top-color:#fff;animation:spin .7s linear infinite;
}
.btn--ghost.is-loading::after{border-color:rgba(0,0,0,.15);border-top-color:var(--brand)}
@keyframes spin{to{transform:rotate(360deg)}}
.btn-link{background:none;border:0;padding:6px 10px;color:var(--brand);cursor:pointer;font-size:13px;border-radius:7px;transition:.14s}
.btn-link:hover{background:var(--brand-soft)}
.btn-link--danger{color:var(--danger)}
.btn-link--danger:hover{background:var(--danger-soft)}
.icon-btn{width:36px;height:36px;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer;font-size:16px;line-height:1;transition:.16s}
.icon-btn:hover{border-color:#c9cfe0;box-shadow:var(--sh-1)}
.link{color:var(--brand);border-bottom:1px dashed rgba(79,70,229,.40);transition:.14s}
.link:hover{color:var(--brand-deep)}

/* ---------- 表单 ---------- */
.input{
  width:100%;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-s);
  background:#fff;color:var(--text);font-size:14px;outline:none;transition:.16s;
}
.input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(99,102,241,.14)}
.input:disabled,.input[readonly]{background:#f6f7fb;color:var(--muted)}
select.input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath fill='%239aa2b6' d='M0 0h10L5 6z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:30px}
.input--sm{height:34px;font-size:13px}
textarea.input{height:auto;padding:8px 12px;resize:vertical}
.form__row{margin-bottom:14px}
.form__label{display:block;margin-bottom:6px;font-size:13px;color:var(--text-2);font-weight:500}
.form__label i{color:var(--danger);font-style:normal;margin-left:3px}
.form__hint{margin:6px 0 0;font-size:12px;color:var(--muted)}
.modal-intro{margin:0 0 14px;font-size:13px;color:var(--text-2);background:var(--brand-soft);padding:10px 13px;border-radius:var(--r-s)}
.copy-box{word-break:break-all;background:#f6f7fb;border:1px solid var(--line);border-radius:var(--r-s);padding:12px;font-size:13px;color:var(--text-2)}

/* ---------- Toast ---------- */
.toast-root{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:9999;display:flex;flex-direction:column;gap:10px;pointer-events:none}
.toast{
  display:flex;align-items:center;gap:9px;padding:12px 18px;border-radius:12px;
  background:#232838;color:#fff;font-size:14px;box-shadow:var(--sh-2);
  animation:toastIn .26s cubic-bezier(.2,.9,.3,1.2);max-width:88vw;
}
.toast__icon{width:18px;height:18px;border-radius:50%;display:grid;place-items:center;font-size:11px;background:rgba(255,255,255,.2);flex:none}
.toast--success{background:#0f9d76}
.toast--error{background:#e04343}
.toast.is-out{animation:toastOut .24s forwards}
@keyframes toastIn{from{opacity:0;transform:translateY(-14px)}to{opacity:1;transform:none}}
@keyframes toastOut{to{opacity:0;transform:translateY(-10px)}}

/* ---------- Modal ---------- */
.modal-mask{position:fixed;inset:0;z-index:9000;background:rgba(20,24,40,.46);display:flex;align-items:center;justify-content:center;padding:16px;opacity:0;transition:.18s;backdrop-filter:blur(2px)}
.modal-mask.is-in{opacity:1}
.modal-mask.is-out{opacity:0}
.modal{width:100%;background:#fff;border-radius:var(--r-l);box-shadow:var(--sh-2);transform:translateY(12px) scale(.98);transition:.2s;max-height:92vh;display:flex;flex-direction:column}
.modal-mask.is-in .modal{transform:none}
.modal__head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px 12px}
.modal__head h3{font-size:16.5px}
.modal__close{border:0;background:none;font-size:22px;line-height:1;color:var(--muted);cursor:pointer;padding:0 4px;border-radius:6px;transition:.14s}
.modal__close:hover{color:var(--text);background:var(--fill-2)}
.modal__body{padding:4px 22px 8px;overflow:auto}
.modal__foot{display:flex;justify-content:flex-end;gap:10px;padding:14px 22px 20px}
.confirm-body{display:flex;gap:14px;align-items:flex-start;padding:4px 0 10px}
.confirm-icon{width:40px;height:40px;border-radius:50%;flex:none;display:grid;place-items:center;font-size:19px;font-weight:700;background:var(--brand-soft);color:var(--brand)}
.confirm-icon.is-danger{background:var(--danger-soft);color:var(--danger)}
.confirm-text{font-size:14px;line-height:1.7;color:var(--text-2)}
.confirm-text b{color:var(--text)}

/* =========================================================
 * 前台：宿舍入住页
 * ========================================================= */
.front{max-width:920px;margin:0 auto;padding:20px 16px 60px}
.front__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.front__brand{display:flex;align-items:center;font-size:16px;font-weight:650}
.front__admin{font-size:13px;color:var(--muted);border:1px solid var(--line);background:#fff;padding:7px 14px;border-radius:20px;transition:.16s}
.front__admin:hover{color:var(--brand);border-color:var(--brand);box-shadow:var(--sh-1)}
.front__tip{margin:18px 0 0;font-size:12.5px;color:var(--muted);text-align:center}

.info-card{
  position:relative;overflow:hidden;
  display:flex;gap:18px;align-items:stretch;
  background:linear-gradient(120deg,#6366f1,#7c6cf5 55%,#a78bfa);
  color:#fff;border-radius:var(--r-l);padding:22px;box-shadow:0 14px 38px rgba(99,102,241,.28);
}
.info-card::after{content:"";position:absolute;right:-50px;top:-50px;width:210px;height:210px;border-radius:50%;background:rgba(255,255,255,.12)}
.info-card::before{content:"";position:absolute;left:-40px;bottom:-70px;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.08)}
.info-card__main{flex:1;min-width:0;position:relative;z-index:1}
.info-card__code{font-size:30px;font-weight:750;letter-spacing:.5px}
.info-card__sub{opacity:.9;margin-top:2px;font-size:14px}
.info-card__rows{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.kv{background:rgba(255,255,255,.16);border-radius:20px;padding:5px 12px;font-size:13px;backdrop-filter:blur(4px)}
.kv em{font-style:normal;opacity:.75;margin-right:6px}
.elec{width:132px;flex:none;background:rgba(255,255,255,.16);border-radius:var(--r-m);padding:12px;text-align:center;backdrop-filter:blur(4px);position:relative;z-index:1}
.elec.is-low{background:rgba(255,206,120,.30)}
.elec__icon{font-size:19px}
.elec__num{font-size:26px;font-weight:750;line-height:1.2}
.elec__num span{font-size:12px;font-weight:400;margin-left:2px;opacity:.85}
.elec__label{font-size:12px;opacity:.85}
.elec__time{font-size:11px;opacity:.72;margin-top:4px}
.notice{margin-top:14px;padding:11px 14px;border-radius:var(--r-m);font-size:13px}
.notice--warn{background:var(--warn-soft);color:#a56100;border:1px solid #ffe3b0}

.panel{background:var(--card);border-radius:var(--r-l);box-shadow:var(--sh-1);padding:20px;margin-top:18px;border:1px solid rgba(236,238,245,.9)}
.panel__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.panel__head h2{font-size:16px;letter-spacing:.2px}
.panel__hint{font-size:12.5px;color:var(--muted)}
.legend{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:6px}
.legend__i{width:10px;height:10px;border-radius:3px;display:inline-block;margin-left:8px}
.legend__i--free{background:#dfe4f2}
.legend__i--busy{background:var(--brand)}

.bed-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:12px}
.bed{border:1px solid var(--line);border-radius:var(--r-m);padding:12px;display:flex;flex-direction:column;transition:.16s;background:#fff}
.bed:hover{box-shadow:var(--sh-1);border-color:#d7dcea;transform:translateY(-2px)}
.bed__no{font-size:12.5px;color:var(--muted);display:flex;align-items:center;justify-content:space-between}
.bed__tag{background:var(--brand-soft);color:var(--brand);border-radius:5px;padding:1px 6px;font-size:11px}
.bed__body{flex:1;padding:12px 0 10px;text-align:center}
.bed__icon{font-size:24px;opacity:.5}
.bed__empty{color:var(--muted);font-size:13px;margin-top:4px}
.bed__name{font-size:16px;font-weight:650;margin-bottom:6px}
.bed__meta{font-size:12px;color:var(--muted);margin-top:3px}
.bed--busy{background:linear-gradient(180deg,#fbfbff,#fff)}
.bed--busy .bed__body{text-align:center}
.bed__btn{width:100%}
.bed__acts{display:flex;gap:8px}
.bed__acts .btn{flex:1}
.bed-grid--admin .bed__body{text-align:left}
.bed-grid--admin .bed__name{text-align:left}

.days-badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:600}
.days-badge.lv0{background:#eef2ff;color:#4f46e5}
.days-badge.lv1{background:#e7f8f1;color:#0f9d76}
.days-badge.lv2{background:#fff5e6;color:#b47100}
.days-badge.lv3{background:#feecec;color:#d13b3b}

.entry-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.entry-card{background:#fff;border-radius:var(--r-m);padding:16px;box-shadow:var(--sh-1);transition:.18s;border:1px solid rgba(236,238,245,.9);position:relative;overflow:hidden}
.entry-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,var(--brand),#22d3ee);opacity:.0;transition:.18s}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#dfe3f0}
.entry-card:hover::before{opacity:1}
.entry-card__code{font-size:19px;font-weight:700}
.entry-card__sub{font-size:12.5px;color:var(--muted);margin:2px 0 12px}
.entry-card__bar{height:6px;border-radius:6px;background:#eef0f7;overflow:hidden}
.entry-card__bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),#22d3ee)}
.entry-card__foot{display:flex;justify-content:space-between;font-size:12.5px;color:var(--text-2);margin-top:10px}
.entry-card__actions{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:12px}

.td-qr{text-align:center;vertical-align:middle}
.td-qr .qr-img{width:72px;height:72px;image-rendering:pixelated;background:#fff;border:1px solid var(--line);border-radius:8px;padding:4px}
.td-qr .qr-loading{font-size:11px;color:var(--muted);padding:26px 0}
.td-qr .btn-link{display:block;margin-top:5px;font-size:12px}

.empty-page{max-width:420px;margin:14vh auto;text-align:center;padding:0 20px}
.empty-page__icon{font-size:46px}
.empty-page h2{font-size:18px;margin:12px 0 6px}
.empty-page p{color:var(--muted);margin:0 0 18px}

/* =========================================================
 * 登录页
 * ========================================================= */
.login{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr}
.login__art{background:linear-gradient(150deg,#4f46e5,#6d28d9 48%,#8b5cf6);color:#fff;display:flex;align-items:center;padding:48px;position:relative;overflow:hidden}
.login__art::after{content:"";position:absolute;width:440px;height:440px;border-radius:50%;background:rgba(255,255,255,.08);right:-150px;bottom:-170px}
.login__art::before{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.07);left:-100px;top:-80px}
.login__art-inner{position:relative;z-index:1;max-width:430px}
.login__logo{display:flex;align-items:center;font-size:15px;opacity:.9;margin-bottom:26px}
.login__art h1{font-size:34px;line-height:1.35;font-weight:750}
.login__art p{opacity:.86;margin:14px 0 26px;font-size:14.5px}
.login__feat{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.login__feat li{display:flex;align-items:center;gap:10px;font-size:14px;opacity:.92}
.login__feat i{width:24px;height:24px;border-radius:50%;background:rgba(255,255,255,.18);display:grid;place-items:center;font-style:normal;font-size:12px;flex:none}
.login__panel{display:flex;align-items:center;justify-content:center;padding:32px 24px;background:#fff}
.login__form{width:100%;max-width:340px}
.login__form h2{font-size:23px}
.login__sub{color:var(--muted);margin:6px 0 24px;font-size:13.5px}
.login__form .form__label{margin-top:14px}
.login__form .input{height:44px}
.pw-wrap{position:relative}
.pw-eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);border:0;background:none;cursor:pointer;font-size:15px;opacity:.5;padding:6px;border-radius:6px}
.pw-eye:hover{opacity:.9;background:var(--fill-2)}
.login__err{min-height:20px;color:var(--danger);font-size:12.5px;padding:6px 0}
.login__hint{margin-top:14px;text-align:center;font-size:12.5px;color:var(--muted)}
.login__back{display:block;text-align:center;margin-top:20px;font-size:13px;color:var(--brand)}

/* =========================================================
 * 后台框架
 * ========================================================= */
.admin{display:flex;min-height:100vh}
.admin__side{
  width:var(--side-w);flex:none;background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:30;
}
.admin__logo{display:flex;align-items:center;gap:8px;padding:20px 18px;font-size:16px;
  background:linear-gradient(180deg,#fbfbff,#fff);border-bottom:1px solid var(--line)}
.admin__nav{flex:1;padding:10px;display:flex;flex-direction:column;gap:4px}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--text-2);font-size:14px;transition:.14s}
.nav-item:hover{background:#f4f5fb;color:var(--text)}
.nav-item.is-active{background:linear-gradient(135deg,var(--brand-soft),#f3f0ff);color:var(--brand);font-weight:600;box-shadow:0 4px 12px rgba(99,102,241,.10)}
.nav-item__i{font-size:15px;width:18px;text-align:center}
.admin__side-foot{padding:14px 12px;border-top:1px solid var(--line)}
.admin__mask{display:none}
.admin__main{flex:1;min-width:0;display:flex;flex-direction:column}
.admin__head{
  display:flex;align-items:center;gap:14px;padding:16px 24px;background:rgba(255,255,255,.82);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;
}
.admin__burger{display:none}
.admin__title{flex:1;min-width:0}
.admin__title h1{font-size:19px;letter-spacing:.2px}
.admin__title p{margin:2px 0 0;font-size:12.5px;color:var(--muted)}
.admin__user{display:flex;align-items:center;gap:9px}
.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--brand),#22d3ee);color:#fff;display:grid;place-items:center;font-weight:600;font-size:14px;box-shadow:0 4px 10px rgba(99,102,241,.25)}
.admin__uname{font-size:13.5px;color:var(--text-2)}
.admin__body{padding:20px 24px 48px;flex:1}
.back-link{display:inline-block;margin-bottom:12px;font-size:13px;color:var(--brand)}

/* ---------- 统计卡 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px}
.stat{background:#fff;border-radius:var(--r-l);padding:18px;box-shadow:var(--sh-1);position:relative;overflow:hidden;border:1px solid rgba(236,238,245,.9);transition:.18s}
.stat:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.stat::after{content:"";position:absolute;right:-26px;top:-26px;width:90px;height:90px;border-radius:50%;opacity:.08;transition:.18s}
.stat:hover::after{transform:scale(1.1)}
.stat--a::after{background:#6366f1}.stat--b::after{background:#10b981}
.stat--c::after{background:#f59e0b}.stat--d::after{background:#06b6d4}
.stat__icon{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:21px;margin-bottom:12px;box-shadow:0 6px 16px rgba(24,32,60,.08)}
.stat--a .stat__icon{background:linear-gradient(135deg,#eef0ff,#e2e6ff);color:#5b53e8}
.stat--b .stat__icon{background:linear-gradient(135deg,#e7f8f1,#d6f3e8);color:#0f9d76}
.stat--c .stat__icon{background:linear-gradient(135deg,#fff5e6,#ffe9c2);color:#c47d00}
.stat--d .stat__icon{background:linear-gradient(135deg,#e0f7fe,#c7eefb);color:#0891b2}
.stat__val{font-size:30px;font-weight:750;line-height:1.15}
.stat__val span{font-size:13px;font-weight:500;color:var(--muted);margin-left:3px}
.stat__label{font-size:13px;color:var(--muted);margin-top:2px}
.stat__sub{font-size:12px;color:var(--muted);margin-top:6px;font-weight:600;background:var(--fill-2);display:inline-block;padding:2px 9px;border-radius:20px}

/* ---------- 分段切换（按宿舍 / 按团队长） ---------- */
.seg{display:inline-flex;gap:4px;background:#eef0f7;border-radius:10px;padding:3px}
.seg__btn{border:0;background:transparent;color:var(--muted);font-size:13px;padding:7px 15px;border-radius:8px;cursor:pointer;transition:.15s}
.seg__btn:hover{color:var(--text-2)}
.seg__btn.is-on{background:#fff;color:#1f2330;box-shadow:0 2px 6px rgba(24,32,60,.10);font-weight:600}

/* ---------- 概况柱状图 ---------- */
.chart-scroll{overflow-x:auto;padding-bottom:4px}
.chart{display:flex;align-items:flex-end;gap:18px;min-height:250px;padding:12px 4px 10px;min-width:min-content}
.chart__col{flex:1;min-width:62px;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;height:238px}
.chart__num{font-size:12px;color:var(--text-2);margin-bottom:6px;font-weight:600;flex-shrink:0}
.chart__barwrap{flex:1;width:100%;min-height:0;margin:2px 0;display:flex;justify-content:center;align-items:flex-end}
.chart__bar{width:46px;background:#eef0f7;border-radius:11px 11px 7px 7px;display:flex;align-items:flex-end;overflow:hidden;transition:.2s;box-shadow:inset 0 0 0 1px rgba(24,32,60,.04)}
.chart__col:hover .chart__bar{box-shadow:0 10px 22px rgba(99,102,241,.20);transform:translateY(-2px)}
.chart__fill{width:100%;background:linear-gradient(180deg,#7c7bf5,#5b53e8);border-radius:11px 11px 7px 7px;transition:height .5s cubic-bezier(.2,.8,.3,1)}
.chart__x{font-size:12px;color:var(--muted);margin-top:8px;white-space:nowrap;max-width:84px;overflow:hidden;text-overflow:ellipsis;flex-shrink:0}
.chart__sub{font-size:11px;color:var(--text-2);margin-top:4px;max-width:104px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex-shrink:0}
.chart__bar--stack{flex-direction:column;justify-content:flex-end}
.chart__fill--in{background:linear-gradient(180deg,#34d399,#10b981);border-radius:11px 11px 7px 7px;transition:height .5s cubic-bezier(.2,.8,.3,1)}
.chart__fill--out{background:linear-gradient(180deg,#fb7185,#f43f5e);border-radius:7px 7px 4px 4px;transition:height .5s cubic-bezier(.2,.8,.3,1)}
.tk-in{color:#10b981;font-weight:700}.tk-out{color:#f43f5e;font-weight:700}.tk-sep{color:var(--muted);margin:0 2px}
.legend--inline{margin-left:auto}

/* ---------- 具体分布情况卡片 ---------- */
.dist-list{max-height:360px;overflow:auto;padding:6px 4px}
.dist-row{display:flex;align-items:center;gap:12px;padding:12px 14px;margin:0 2px;border-radius:12px;transition:.14s}
.dist-row:last-child{border-bottom:none}
.dist-row:hover{background:var(--fill-2)}
.dist-dorm{flex:none;font-weight:700;color:#fff;font-size:13px;background:linear-gradient(135deg,#6d6bf0,#5b53e8);border-radius:9px;padding:5px 11px;box-shadow:0 4px 10px rgba(99,102,241,.18)}
.dist-lead{flex:none;font-weight:700;color:#fff;font-size:13px;background:linear-gradient(135deg,#0ea5e9,#22d3ee);border-radius:9px;padding:5px 11px;box-shadow:0 4px 10px rgba(14,165,233,.18)}
.dist-meta{color:var(--text-2);font-size:13.5px;line-height:1.55;word-break:break-word}
.dist-row--leader .dist-meta{color:var(--text-1)}
.panel__head-left{display:flex;align-items:center;gap:12px;min-width:0}
.panel__head-tools{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.seg{flex-shrink:0}
.legend__i--in{background:#10b981}
.legend__i--out{background:#f43f5e}
.panel__tools{display:flex;align-items:center;gap:10px}
.filter-select{appearance:none;border:1px solid var(--line);background:#fff;color:var(--text);font-size:13px;padding:7px 28px 7px 12px;border-radius:9px;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;transition:.14s}
.filter-select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(99,102,241,.14)}

/* ---------- 宿舍卡片 ---------- */
.dorm-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:14px}
.dorm-card{border:1px solid var(--line);border-radius:var(--r-m);padding:15px;transition:.18s;background:#fff;display:block;position:relative;overflow:hidden}
.dorm-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,var(--brand),#22d3ee);opacity:0;transition:.18s}
.dorm-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#d9deee}
.dorm-card:hover::before{opacity:1}
.dorm-card__top{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.dorm-card__code{font-size:18px;font-weight:700}
.dorm-card__team{font-size:12px;color:var(--muted);margin-top:2px}
.rate-pill{font-size:12px;font-weight:650;padding:3px 9px;border-radius:20px;flex:none}
.rate-pill--full{background:var(--danger-soft);color:#d13b3b}
.rate-pill--high{background:var(--warn-soft);color:#b47100}
.rate-pill--low{background:var(--ok-soft);color:#0f9d76}
.dorm-card__bar{height:7px;border-radius:6px;background:#eef0f7;overflow:hidden;margin:12px 0 10px}
.dorm-card__bar i{display:block;height:100%;border-radius:6px}
.dorm-card__bar i.is-full{background:linear-gradient(90deg,#f87171,#ef4444)}
.dorm-card__bar i.is-high{background:linear-gradient(90deg,#fbbf24,#f59e0b)}
.dorm-card__bar i.is-low{background:linear-gradient(90deg,#34d399,#10b981)}
.dorm-card__foot{display:flex;justify-content:space-between;font-size:12.5px;color:var(--text-2)}
.dorm-card__foot b{font-size:14px}

/* ---------- 宿舍详情头 ---------- */
.detail-head{display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.detail-head__main{min-width:170px}
.detail-head__main h2{font-size:24px}
.detail-head__tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.tag{background:#f2f4fa;color:var(--text-2);border-radius:20px;padding:3px 10px;font-size:12.5px}
.detail-head__nums{display:flex;gap:22px;flex:1;flex-wrap:wrap}
.mini b{display:block;font-size:19px;font-weight:700}
.mini span{font-size:12px;color:var(--muted)}
.mini.is-danger b{color:var(--danger)}
.detail-head__act{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- 筛选 & 表格 ---------- */
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.search{position:relative;flex:1;min-width:200px}
.search span{position:absolute;left:11px;top:50%;transform:translateY(-50%);font-size:13px;opacity:.5}
.search .input{height:34px;padding-left:32px;font-size:13px}
.table-note{font-size:12.5px;color:var(--muted);margin-bottom:10px}
.table-note b{color:var(--brand)}
.table-scroll{overflow-x:auto;border-radius:var(--r-m);border:1px solid var(--line)}
.table{min-width:760px;font-size:13.5px}
.table th{background:#f7f8fc;color:var(--text-2);font-weight:600;text-align:left;padding:12px;white-space:nowrap;font-size:13px;border-bottom:1px solid var(--line)}
.table td{padding:12px;border-bottom:1px solid #f2f4f9;white-space:nowrap}
.table tbody tr:last-child td{border-bottom:0}
.table tbody tr:hover{background:#fafbff}
.td-name{font-weight:600}
.td-mono{font-variant-numeric:tabular-nums;color:var(--text-2)}
.td-act{display:flex;gap:2px}
.dorm-type{display:inline-block;font-size:11px;font-weight:600;padding:1px 7px;border-radius:20px;margin-left:4px;vertical-align:middle}
.dorm-type--male{background:#e6efff;color:#2563eb}
.dorm-type--female{background:#ffe9f3;color:#db2777}
.td-muted{color:var(--muted);max-width:280px}
.op-tag{display:inline-block;padding:2px 9px;border-radius:6px;font-size:12px;background:#eef1fb;color:#3b56d6;font-weight:600;white-space:nowrap}
.rank{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;color:#fff;font-size:12px;font-weight:700}
.rank--1{background:linear-gradient(135deg,#fbbf24,#f59e0b)}
.rank--2{background:linear-gradient(135deg,#cbd5e1,#94a3b8)}
.rank--3{background:linear-gradient(135deg,#f0a675,#d97742)}
.pill{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;background:#f1f3f9;color:var(--text-2)}
.pill--ok{background:var(--ok-soft);color:#0f9d76}
.pill--warn{background:var(--warn-soft);color:#b47100}
.mini-bar{display:inline-block;vertical-align:middle;width:56px;height:6px;border-radius:6px;background:#eef0f7;overflow:hidden}
.mini-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),#22d3ee)}
.mini-bar__t{font-size:12px;color:var(--muted);margin-left:6px}

/* ---------- 电费录入 ---------- */
.elec-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.elec-item{border:1px solid var(--line);border-radius:var(--r-m);padding:14px;transition:.18s;background:#fff}
.elec-item:hover{box-shadow:var(--sh-1)}
.elec-item.is-low{border-color:#ffd9a3;background:#fffdf7}
.elec-item__head{display:flex;justify-content:space-between;align-items:center;font-size:15px}
.elec-item__team{font-size:12px;color:var(--muted);margin:2px 0 10px}
.elec-item__row{display:flex;align-items:center;gap:8px}
.elec-item__row .input{flex:1;min-width:0}
.unit{font-size:13px;color:var(--muted)}
.elec-item__time{font-size:11.5px;color:var(--muted);margin-top:8px}

/* =========================================================
 * 响应式
 * ========================================================= */
@media (max-width:1080px){
  .info-card{flex-direction:column}
  .elec{width:100%;display:flex;align-items:center;gap:10px;text-align:left}
  .elec__num{font-size:22px}
  .elec__label{flex:1}
  .elec__time{margin:0}
}
@media (max-width:960px){
  .login{grid-template-columns:1fr}
  .login__art{display:none}
  .login__panel{min-height:100vh;background:linear-gradient(160deg,#eef0ff,#f7f8fd 40%)}
  .login__form{background:#fff;padding:28px 24px 32px;border-radius:var(--r-l);box-shadow:var(--sh-2);max-width:380px}

  .admin__side{
    position:fixed;left:0;top:0;z-index:60;transform:translateX(-100%);
    transition:transform .22s ease;box-shadow:var(--sh-2);
  }
  .admin__side.is-open{transform:none}
  .admin__mask{display:block;position:fixed;inset:0;background:rgba(18,22,38,.4);z-index:50;opacity:0;pointer-events:none;transition:.2s}
  .admin__mask.is-show{opacity:1;pointer-events:auto}
  .admin__burger{display:block}
  .admin__head{padding:12px 16px}
  .admin__body{padding:16px 16px 42px}
  .admin__uname{display:none}
}
@media (max-width:640px){
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .stat{padding:14px}
  .stat__val{font-size:24px}
  .bed-grid{grid-template-columns:repeat(auto-fill,minmax(136px,1fr));gap:10px}
  .dorm-grid,.entry-grid,.elec-grid{grid-template-columns:1fr}
  .panel{padding:14px;border-radius:var(--r-m)}
  .info-card{padding:16px}
  .info-card__code{font-size:24px}
  .admin__title h1{font-size:17px}
  .detail-head__nums{gap:16px}
  .mini b{font-size:17px}
  .filters{gap:8px}
  .search{min-width:100%}
  .input--sm{flex:1;min-width:0}
  .front{padding:14px 12px 46px}
  .modal__head{padding:16px 16px 10px}
  .modal__body{padding:2px 16px 6px}
  .modal__foot{padding:12px 16px 16px}
  .modal__foot .btn{flex:1}
}
@media (max-width:400px){
  .bed-grid{grid-template-columns:repeat(2,1fr)}
  .bed__acts{flex-direction:column}
}