/* 校园报修服务台 · Apple 风格界面 */
:root{
  --bg:#f5f5f7; --card:#ffffff; --glass:rgba(255,255,255,.72); --glass-strong:rgba(255,255,255,.86);
  --ink:#1d1d1f; --ink-2:#424245; --muted:#6e6e73; --faint:#86868b;
  --line:rgba(0,0,0,.08); --line-2:rgba(0,0,0,.12); --fill:rgba(118,118,128,.12); --fill-2:rgba(118,118,128,.08);
  --accent:#0071e3; --accent-hover:#0077ed; --accent-soft:rgba(0,113,227,.1);
  --orange:#c93400; --orange-soft:rgba(255,149,0,.14);
  --blue:#0066cc; --blue-soft:rgba(0,122,255,.12);
  --indigo:#4b44c8; --indigo-soft:rgba(88,86,214,.13);
  --green:#1f7a37; --green-soft:rgba(52,199,89,.15);
  --red:#d70015; --red-soft:rgba(255,59,48,.1);
  --r-sm:10px; --r:14px; --r-lg:20px; --r-xl:28px;
  --shadow-1:0 1px 2px rgba(0,0,0,.04),0 1px 1px rgba(0,0,0,.02);
  --shadow-2:0 2px 6px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.06);
  --shadow-3:0 10px 30px rgba(0,0,0,.08),0 30px 80px rgba(0,0,0,.12);
  --spring:cubic-bezier(.34,1.56,.64,1); --ease:cubic-bezier(.25,.1,.25,1); --ease-out:cubic-bezier(.22,1,.36,1);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","PingFang SC","Helvetica Neue","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.55;letter-spacing:-.01em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
button,input,textarea,select{font:inherit;color:inherit;letter-spacing:inherit}
h1,h2,h3,p{margin:0}
h1{font-size:34px;line-height:1.15;font-weight:700;letter-spacing:-.025em}
h2{font-size:19px;line-height:1.35;font-weight:600;letter-spacing:-.015em}
h3{font-size:15px;font-weight:600}
p+p{margin-top:8px}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.muted{color:var(--muted)} .small{font-size:12.5px} .full{width:100%}
.quiet{color:var(--faint);font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;margin-bottom:6px}

/* ---------- 表单控件 ---------- */
label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin:16px 0 7px}
input,textarea,select{width:100%;max-width:100%;min-width:0;background:var(--fill-2);border:1px solid transparent;border-radius:var(--r-sm);padding:12px 14px;color:var(--ink);outline:none;transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .25s var(--ease)}
input::placeholder,textarea::placeholder{color:var(--faint)}
input:hover,textarea:hover,select:hover{background:rgba(118,118,128,.11)}
input:focus,textarea:focus,select:focus{background:#fff;border-color:var(--accent);box-shadow:0 0 0 4px rgba(0,113,227,.16)}
textarea{resize:vertical;min-height:96px}
select{appearance:none;-webkit-appearance:none;padding-right:38px;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5 6 7.5 9 4.5' fill='none' stroke='%236e6e73' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 13px center;background-size:12px}
input[type=search]::-webkit-search-cancel-button{-webkit-appearance:none}

/* ---------- 按钮 ---------- */
button{cursor:pointer;border:0;background:none;line-height:1.25;-webkit-tap-highlight-color:transparent}
button:disabled{cursor:progress;opacity:.5}
.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:42px;padding:10px 20px;border-radius:999px;font-weight:600;font-size:14.5px;white-space:nowrap;transition:transform .35s var(--spring),background .2s var(--ease),box-shadow .25s var(--ease),color .2s}
.primary{background:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(0,113,227,.25),0 4px 14px rgba(0,113,227,.22)}
.primary:hover{background:var(--accent-hover);box-shadow:0 2px 4px rgba(0,113,227,.25),0 8px 22px rgba(0,113,227,.3);transform:translateY(-1px)}
.secondary{background:var(--fill);color:var(--accent)}
.secondary:hover{background:rgba(118,118,128,.18)}
.primary:active,.secondary:active,.demo-accounts button:active,.ticket-row:active,.sidebar nav button:active,.logout:active{transform:scale(.96);transition-duration:.12s}
.primary svg,.secondary svg{width:16px;height:16px;stroke-width:2.2}
:focus-visible{outline:none}
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,.ticket-row:focus-visible{box-shadow:0 0 0 4px rgba(0,113,227,.35)!important}

.form-error,.workspace-error{color:var(--red);background:var(--red-soft);border-radius:var(--r-sm);padding:10px 14px;font-size:13.5px;margin-top:14px;animation:shake .45s var(--ease)}
.workspace-error{margin:0 0 18px}

/* ---------- 通知（灵动岛） ---------- */
.notice{position:fixed;top:16px;left:50%;z-index:200;transform:translate(-50%,-140%) scale(.6);opacity:0;background:rgba(29,29,31,.92);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);color:#fff;padding:12px 22px 12px 44px;border-radius:999px;font-size:14px;font-weight:500;box-shadow:var(--shadow-3);max-width:calc(100% - 32px);transition:transform .55s var(--spring),opacity .3s var(--ease)}
.notice:before{content:"";position:absolute;left:16px;top:50%;width:18px;height:18px;margin-top:-9px;border-radius:50%;background:#30d158 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='m5 9.2 2.6 2.6L13 6.5' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/18px no-repeat}
.notice.show{transform:translate(-50%,0) scale(1);opacity:1}

/* ---------- 品牌 ---------- */
.brand{display:flex;gap:12px;align-items:center;font-size:17px;font-weight:600;line-height:1.3;letter-spacing:-.02em}
.brand-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;background:linear-gradient(145deg,#2997ff,#0060df);color:#fff;font-size:20px;font-weight:700;flex-shrink:0;box-shadow:0 4px 12px rgba(0,113,227,.35),inset 0 1px 0 rgba(255,255,255,.35)}
.brand small{font-weight:500;font-size:12px;color:var(--muted)}

/* ---------- 登录页 ---------- */
.login-page{position:relative;min-height:100vh;min-height:100dvh;display:grid;grid-template-columns:1.1fr 1fr;overflow:hidden;background:#fbfbfd}
.aurora{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.aurora i{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55;animation:float 18s ease-in-out infinite}
.aurora i:nth-child(1){width:46vw;height:46vw;left:-10vw;top:-12vw;background:#a5d8ff}
.aurora i:nth-child(2){width:38vw;height:38vw;left:22vw;bottom:-16vw;background:#d0bfff;animation-delay:-6s;animation-duration:22s}
.aurora i:nth-child(3){width:30vw;height:30vw;right:-8vw;top:10vh;background:#ffd8a8;opacity:.35;animation-delay:-11s;animation-duration:26s}
.login-story{position:relative;z-index:1;padding:44px 9%;display:flex;flex-direction:column;justify-content:space-between}
.story-main{padding:56px 0}
.story-main h1{font-size:clamp(44px,5.6vw,80px);line-height:1.08;letter-spacing:-.04em;font-weight:700;animation:rise .9s var(--ease-out) both}
.gradient-text{background:linear-gradient(90deg,#0071e3,#7a5af8 55%,#e8590c);-webkit-background-clip:text;background-clip:text;color:transparent}
.story-intro{font-size:19px;line-height:1.7;color:var(--muted);margin-top:24px;animation:rise .9s .08s var(--ease-out) both}
.story-flow{list-style:none;padding:0;margin:44px 0 0;display:flex;flex-wrap:wrap;gap:10px}
.story-flow li{display:flex;align-items:center;gap:9px;padding:8px 16px 8px 8px;border-radius:999px;background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.7);box-shadow:var(--shadow-1);font-size:14px;font-weight:500;animation:rise .8s var(--ease-out) both}
.story-flow li:nth-child(1){animation-delay:.18s}.story-flow li:nth-child(2){animation-delay:.26s}.story-flow li:nth-child(3){animation-delay:.34s}.story-flow li:nth-child(4){animation-delay:.42s}
.story-flow li span{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--ink);color:#fff;font-size:12px;font-weight:600}
.story-foot{color:var(--faint);font-size:13px}
.login-form-area{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;padding:40px 24px}
.glass{background:var(--glass-strong);-webkit-backdrop-filter:saturate(180%) blur(30px);backdrop-filter:saturate(180%) blur(30px);border:1px solid rgba(255,255,255,.8)}
.login-form-wrap{width:100%;max-width:420px;padding:40px 36px 32px;border-radius:var(--r-xl);box-shadow:var(--shadow-3);animation:pop .8s .1s var(--spring) both}
.login-form-wrap h2{font-size:28px;font-weight:700;letter-spacing:-.025em;margin-bottom:6px}
.login-form-wrap form{margin-top:12px}
.login-form-wrap .primary{margin-top:24px;min-height:48px;font-size:16px}

/* ---------- 工作台框架 ---------- */
.app-shell{display:grid;grid-template-columns:268px minmax(0,1fr);min-height:100vh;min-height:100dvh}
.sidebar{position:sticky;top:0;height:100vh;height:100dvh;display:flex;flex-direction:column;gap:22px;padding:24px 16px;background:rgba(246,246,248,.78);-webkit-backdrop-filter:saturate(180%) blur(30px);backdrop-filter:saturate(180%) blur(30px);border-right:1px solid var(--line);overflow-y:auto;animation:slideIn .6s var(--ease-out) both}
.sidebar>.brand{padding:0 8px}
.user-panel{display:flex;align-items:center;gap:12px;padding:12px;border-radius:var(--r);background:var(--card);box-shadow:var(--shadow-1)}
.user-panel strong{display:block;font-size:14.5px;font-weight:600}
.user-panel span{display:block;font-size:12.5px;color:var(--muted)}
.avatar{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:linear-gradient(145deg,#64d2ff,#5e5ce6);color:#fff;font-weight:600;flex-shrink:0}
.sidebar nav{display:grid;gap:2px}
.sidebar nav button,.logout{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:var(--r-sm);text-align:left;font-size:14.5px;font-weight:500;color:var(--ink-2);transition:background .2s var(--ease),color .2s,transform .35s var(--spring)}
.sidebar nav button:hover,.logout:hover{background:var(--fill)}
.sidebar nav button.nav-current{background:var(--accent);color:#fff;box-shadow:0 2px 10px rgba(0,113,227,.28)}
.sidebar nav svg,.logout svg{width:17px;height:17px}
.sidebar-guide{padding:16px;border-radius:var(--r);background:var(--fill-2)}
.sidebar-guide h2{font-size:12px;font-weight:600;color:var(--faint);letter-spacing:.06em;margin-bottom:10px}
.sidebar-guide ol{margin:0;padding:0;list-style:none;counter-reset:g;display:grid;gap:8px}
.sidebar-guide li{counter-increment:g;display:flex;gap:9px;align-items:center;font-size:13px;color:var(--ink-2)}
.sidebar-guide li:before{content:counter(g);display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:var(--shadow-1);font-size:11px;font-weight:600;color:var(--muted);flex-shrink:0}
.sidebar-guide p{margin-top:12px;font-size:12.5px;line-height:1.6;color:var(--muted)}
.logout{margin-top:auto;color:var(--red)}
.logout:hover{background:var(--red-soft)}

.workspace{padding:36px 40px 28px;min-width:0;animation:fadeUp .6s .05s var(--ease-out) both}
.workspace-header{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.workspace-header h1{font-size:34px}
.workspace-header .muted{margin-top:6px;font-size:15px}

/* ---------- 统计卡 ---------- */
.stats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-bottom:22px}
.stat{position:relative;display:flex;flex-direction:column;gap:4px;padding:18px 20px;border-radius:var(--r-lg);background:var(--card);box-shadow:var(--shadow-1);overflow:hidden;transition:transform .45s var(--spring),box-shadow .3s var(--ease);animation:fadeUp .6s var(--ease-out) both;animation-delay:calc(var(--i,0) * 60ms)}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.stat:before{content:"";position:absolute;top:18px;right:18px;width:8px;height:8px;border-radius:50%;background:var(--dot,#c7c7cc)}
.stat-value{font-size:32px;font-weight:700;letter-spacing:-.03em;line-height:1.1;font-variant-numeric:tabular-nums}
.stat-label{font-size:13px;color:var(--muted);font-weight:500}
.stat.total{background:linear-gradient(150deg,#1d1d1f,#3a3a3c);color:#fff}
.stat.total .stat-label{color:rgba(255,255,255,.65)} .stat.total{--dot:#64d2ff}
.stat.pending{--dot:#ff9500} .stat.assigned{--dot:#007aff} .stat.processing{--dot:#5856d6} .stat.completed{--dot:#34c759}

/* ---------- 工具栏 ---------- */
.toolbar{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin-bottom:18px}
.search-form{display:flex;gap:8px;flex:1 1 340px;max-width:520px}
.search-field{position:relative;flex:1;min-width:0}
.search-field svg{position:absolute;left:13px;top:50%;width:16px;height:16px;margin-top:-8px;color:var(--faint);pointer-events:none}
.search-field input{padding-left:38px;border-radius:999px;background:var(--card);box-shadow:var(--shadow-1);min-height:42px}
.search-field input:focus{box-shadow:0 0 0 4px rgba(0,113,227,.16)}
.filter-control{display:flex;align-items:center;gap:8px}
.filter-control>label{margin:0}
.filter-control select{width:auto;min-width:130px;border-radius:999px;background-color:var(--card);box-shadow:var(--shadow-1);min-height:42px;padding-top:9px;padding-bottom:9px}
.segmented{position:relative;display:inline-flex;padding:3px;border-radius:11px;background:rgba(118,118,128,.13);isolation:isolate}
.segmented button{position:relative;z-index:1;padding:7px 14px;border-radius:8px;font-size:13.5px;font-weight:500;color:var(--ink-2);white-space:nowrap;transition:color .25s}
.segmented button[aria-pressed=true]{color:var(--ink);font-weight:600}
.segmented .thumb{position:absolute;z-index:0;top:3px;bottom:3px;left:0;border-radius:8px;background:#fff;box-shadow:0 3px 8px rgba(0,0,0,.12),0 3px 1px rgba(0,0,0,.04);transition:transform .45s var(--spring),width .45s var(--spring)}
.has-segmented .filter-control>label,.has-segmented #status-filter{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.icon-button{padding:10px 16px}
.icon-button.spinning svg{animation:spin .7s var(--ease) }

/* ---------- 列表 + 详情 ---------- */
.ticket-layout{display:grid;grid-template-columns:minmax(300px,.85fr) minmax(0,1.15fr);gap:18px;align-items:start}
.ticket-list-panel,.detail-panel{background:var(--card);border-radius:var(--r-xl);box-shadow:var(--shadow-1)}
.ticket-list-panel{padding:18px 10px 10px;position:sticky;top:20px;max-height:calc(100vh - 40px);display:flex;flex-direction:column}
.panel-heading{display:flex;justify-content:space-between;align-items:baseline;padding:0 12px 12px}
.panel-heading h2{font-size:17px}
.panel-heading .muted{font-size:13px;font-variant-numeric:tabular-nums}
.ticket-list{display:grid;gap:4px;overflow-y:auto;padding:2px;scrollbar-width:thin}
.ticket-row{position:relative;display:block;width:100%;text-align:left;padding:14px 16px;border-radius:var(--r);background:transparent;transition:background .2s var(--ease),transform .4s var(--spring),box-shadow .25s;animation:rowIn .5s var(--ease-out) both;animation-delay:calc(var(--i,0) * 35ms)}
.ticket-row:hover{background:var(--fill-2)}
.ticket-row.selected{background:var(--accent-soft)}
.ticket-row.selected:before{content:"";position:absolute;left:4px;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--accent);animation:grow .35s var(--spring)}
.row-top,.row-bottom{display:flex;justify-content:space-between;align-items:center;gap:10px}
.row-top>span:first-child{font-size:12px;color:var(--faint);font-weight:500;font-variant-numeric:tabular-nums}
.ticket-row h3{font-size:15px;font-weight:600;margin:5px 0 4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row-bottom{font-size:12.5px;color:var(--muted)}
.row-bottom span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.row-bottom span:last-child{flex-shrink:0;font-variant-numeric:tabular-nums}

.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px 3px 8px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap;line-height:1.5}
.badge:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.PENDING{color:var(--orange);background:var(--orange-soft)}
.badge.ASSIGNED{color:var(--blue);background:var(--blue-soft)}
.badge.PROCESSING{color:var(--indigo);background:var(--indigo-soft)}
.badge.PROCESSING:before{animation:pulse 1.6s ease-in-out infinite}
.badge.COMPLETED{color:var(--green);background:var(--green-soft)}

.detail-panel{padding:30px 32px;min-height:420px}
.detail-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px;padding:60px 20px;color:var(--muted);animation:fadeUp .5s var(--ease-out) both}
.detail-empty h2{color:var(--ink);font-size:18px}
.empty-symbol{display:grid;place-items:center;width:64px;height:64px;border-radius:18px;background:var(--fill-2);color:var(--faint);font-size:26px;font-weight:600;margin-bottom:8px}
.detail-content{animation:detailIn .5s var(--ease-out) both}
.mobile-back{display:none}
.detail-top{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.detail-id{font-size:13px;color:var(--faint);font-weight:500;font-variant-numeric:tabular-nums}
.detail-content>h2{font-size:26px;font-weight:700;letter-spacing:-.025em;line-height:1.25}
.detail-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin:24px 0;border-radius:var(--r);overflow:hidden;background:var(--line)}
.detail-fields div{background:#fbfbfd;padding:13px 16px}
.detail-fields dt{font-size:12px;color:var(--faint);font-weight:500;margin-bottom:3px}
.detail-fields dd{margin:0;font-size:14.5px;font-weight:500;word-break:break-word}

.progress-track{--p:0;position:relative;list-style:none;padding:0;margin:0 0 26px;display:grid;grid-template-columns:repeat(4,1fr)}
.progress-track:before,.progress-track:after{content:"";position:absolute;top:15px;left:12.5%;height:3px;border-radius:3px}
.progress-track:before{right:12.5%;background:var(--fill)}
.progress-track:after{width:calc(75% * var(--p));background:linear-gradient(90deg,#0071e3,#34c759);transition:width 1s var(--ease-out)}
.progress-track li{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:8px;font-size:12.5px;color:var(--faint);font-weight:500;text-align:center}
.progress-track li span{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#fff;border:2px solid var(--line-2);font-size:13px;font-weight:600;color:var(--faint);transition:all .4s var(--spring)}
.progress-track li.done{color:var(--ink)}
.progress-track li.done span{background:var(--accent);border-color:var(--accent);color:#fff;animation:stepPop .5s var(--spring) both;animation-delay:calc(var(--i,0) * 120ms + 150ms)}
.progress-track li[aria-current=step] span{box-shadow:0 0 0 6px rgba(0,113,227,.14)}
.progress-track li:last-child.done span{background:#34c759;border-color:#34c759}

.description-block,.action-block,.history-block{margin-top:22px}
.description-block h3,.history-block h3,.action-block h3{font-size:13px;color:var(--faint);font-weight:600;letter-spacing:.04em;margin-bottom:10px}
.description-block p{font-size:15px;line-height:1.75;color:var(--ink-2);white-space:pre-wrap;word-break:break-word}
.action-block{padding:20px;border-radius:var(--r-lg);background:linear-gradient(180deg,rgba(0,113,227,.06),rgba(0,113,227,.02));border:1px solid rgba(0,113,227,.12)}
.action-block h3{color:var(--accent)}
.action-block label{margin-top:12px}
.action-block input,.action-block select,.action-block textarea{background:#fff}
.action-block textarea{min-height:72px}
.action-block .primary{margin-top:14px}
.history-list{list-style:none;margin:0;padding:0 0 0 22px;position:relative}
.history-list:before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;border-radius:2px;background:var(--fill)}
.history-list li{position:relative;padding:0 0 18px;animation:fadeUp .5s var(--ease-out) both;animation-delay:calc(var(--i,0) * 70ms + 200ms)}
.history-list li:before{content:"";position:absolute;left:-22px;top:6px;width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid var(--accent)}
.history-list li:first-child:before{background:var(--accent);box-shadow:0 0 0 4px rgba(0,113,227,.15)}
.history-list li.muted:before{border-color:var(--line-2)}
.history-title{font-size:14px;font-weight:600}
.history-time{font-size:12px;color:var(--faint);font-variant-numeric:tabular-nums}
.history-note{margin-top:6px;padding:10px 12px;border-radius:var(--r-sm);background:var(--fill-2);font-size:13.5px;color:var(--ink-2);white-space:pre-wrap;word-break:break-word}
.workspace-footer{margin-top:30px;font-size:12px;color:var(--faint);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- 弹窗（iOS Sheet） ---------- */
dialog{width:min(560px,calc(100% - 32px));max-height:calc(100dvh - 40px);padding:0;border:0;border-radius:var(--r-xl);background:var(--glass-strong);-webkit-backdrop-filter:saturate(180%) blur(30px);backdrop-filter:saturate(180%) blur(30px);color:var(--ink);box-shadow:var(--shadow-3)}
dialog[open]{animation:sheetIn .55s var(--spring) both}
dialog.closing{animation:sheetOut .22s var(--ease) both}
dialog::backdrop{background:rgba(0,0,0,.28);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:fade .3s var(--ease) both}
dialog.closing::backdrop{animation:fade .22s var(--ease) reverse both}
.create-form{padding:28px 30px 26px}
.dialog-heading{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:6px}
.dialog-heading h2{font-size:24px;font-weight:700;letter-spacing:-.025em}
.close-button{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--fill);color:var(--muted);font-size:20px;line-height:1;transition:background .2s,transform .35s var(--spring)}
.close-button:hover{background:rgba(118,118,128,.2);transform:rotate(90deg)}
.create-form input,.create-form select,.create-form textarea{background:rgba(255,255,255,.75)}
.form-columns{display:grid;grid-template-columns:1fr 1.4fr;gap:12px}
.create-form .small{margin-top:8px}
.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}

/* ---------- 动画 ---------- */
@keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes rowIn{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
@keyframes detailIn{from{opacity:0;transform:translateX(14px)}to{opacity:1;transform:none}}
@keyframes slideIn{from{opacity:0;transform:translateX(-16px)}to{opacity:1;transform:none}}
@keyframes pop{from{opacity:0;transform:translateY(20px) scale(.96)}to{opacity:1;transform:none}}
@keyframes sheetIn{from{opacity:0;transform:translateY(40px) scale(.94)}to{opacity:1;transform:none}}
@keyframes sheetOut{to{opacity:0;transform:translateY(20px) scale(.96)}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(4vw,3vh) scale(1.08)}66%{transform:translate(-3vw,-2vh) scale(.95)}}
@keyframes grow{from{transform:scaleY(0)}to{transform:scaleY(1)}}
@keyframes stepPop{0%{transform:scale(.6)}100%{transform:scale(1)}}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.7)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes shake{0%,100%{transform:none}20%{transform:translateX(-6px)}40%{transform:translateX(5px)}60%{transform:translateX(-3px)}80%{transform:translateX(2px)}}

/* ---------- 响应式 ---------- */
@media (min-width:1450px){.workspace{padding:44px 56px 30px}}
@media (max-width:1240px){.stats{grid-template-columns:repeat(3,minmax(0,1fr))}.stat.total{grid-column:span 1}.detail-fields{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:1080px){.workspace{padding:28px 24px}.ticket-layout{grid-template-columns:1fr}.ticket-list-panel{position:static;max-height:none}.ticket-list{max-height:420px}}
@media (max-width:900px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{position:sticky;top:0;z-index:50;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;gap:10px;padding:10px 16px;border-right:0;border-bottom:1px solid var(--line);animation:fade .4s both}
  .sidebar>.brand small,.sidebar-guide{display:none}
  .sidebar>.brand{padding:0;font-size:15px}.sidebar .brand-icon{width:32px;height:32px;font-size:16px;border-radius:9px}
  .user-panel{order:3;padding:0;background:none;box-shadow:none;margin-left:auto}
  .user-panel .avatar{width:32px;height:32px;font-size:14px}
  .user-panel>div:last-child{display:none}
  .sidebar nav{order:5;width:100%;display:flex;gap:6px}
  .sidebar nav button{width:auto;padding:7px 12px;font-size:13.5px}
  .logout{order:4;width:auto;margin:0;padding:7px 10px;font-size:13px}
  .logout svg{display:none}
  .login-page{grid-template-columns:1fr}
  .login-story{padding:32px 24px 0}
  .story-main{padding:36px 0 8px}
  .story-foot{display:none}
}
@media (max-width:680px){
  body{font-size:14.5px}
  .workspace{padding:20px 16px}
  .workspace-header{flex-direction:column;align-items:stretch}
  .workspace-header h1{font-size:28px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .stat.total{grid-column:span 2}
  .stat{padding:14px 16px}.stat-value{font-size:26px}
  .toolbar{flex-direction:column;align-items:stretch}
  .search-form{max-width:none;flex-basis:auto}
  .filter-control{overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
  .filter-control::-webkit-scrollbar{display:none}
  .filter-control select{flex:1}
  .icon-button span{display:none}.icon-button{padding:10px 12px}
  .detail-panel{padding:22px 18px;border-radius:var(--r-lg)}
  .detail-content>h2{font-size:22px}
  .detail-fields{grid-template-columns:1fr 1fr}
  .mobile-back{display:inline-flex;align-items:center;gap:4px;margin-bottom:14px;color:var(--accent);font-weight:500;font-size:14.5px}
  .mobile-back:before{content:"‹";font-size:24px;line-height:.8}
  .progress-track li{font-size:11.5px}
  .login-form-wrap{padding:30px 22px 24px;border-radius:24px}
  .story-main h1{font-size:44px}.story-intro{font-size:16px}
  .story-flow{margin-top:26px}
  .form-columns{grid-template-columns:1fr;gap:0}
  dialog{width:100%;max-width:none;margin:auto 0 0;border-radius:24px 24px 0 0;max-height:92dvh}
  dialog[open]{animation:sheetUp .5s var(--ease-out) both}
  dialog.closing{animation:sheetDown .25s var(--ease) both}
  .create-form{padding:24px 20px calc(20px + env(safe-area-inset-bottom))}
  .dialog-actions .primary{flex:1}
}
@keyframes sheetUp{from{transform:translateY(100%)}to{transform:none}}
@keyframes sheetDown{to{transform:translateY(100%)}}
@media (max-width:360px){.story-main h1{font-size:36px}.demo-accounts{grid-template-columns:1fr}.detail-fields{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.glass,dialog{background:#fff}.sidebar{background:#f6f6f8}}
.ticket-list.no-anim .ticket-row{animation:none}

/* 接入修正：窄屏工具栏在自身宽度内布局，分段筛选仅在栏内滚动。 */
@media (max-width:680px){
  .toolbar{flex-wrap:nowrap}
  .search-form,.filter-control{width:100%;min-width:0;max-width:100%}
  .ticket-list-panel,.detail-panel,.ticket-row{min-width:0}
}

/* 用户管理：沿用工作台的卡片、表单与按钮体系。 */
.users-panel{background:var(--card);border-radius:var(--r-xl);box-shadow:var(--shadow-1);padding:20px 10px 10px;min-width:0}
.users-panel>.panel-heading{padding:0 14px 6px}
.users-help{padding:0 14px 18px;color:var(--muted);font-size:13px}
.users-list{display:grid;min-width:0}
.user-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(125px,.65fr) auto;align-items:center;gap:16px;padding:18px 14px;border-top:1px solid var(--line);min-width:0}
.user-identity,.user-summary{min-width:0}
.user-name-line{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.user-name-line h3,.user-account{overflow-wrap:anywhere}
.user-account{font-size:13px;color:var(--muted);margin-top:4px}
.user-self{font-size:11.5px;color:var(--accent);font-weight:500;white-space:nowrap}
.user-summary{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.user-role{font-size:13px;color:var(--ink-2)}
.badge.account-enabled{color:var(--green);background:var(--green-soft)}
.badge.account-disabled{color:var(--muted);background:var(--fill)}
.user-actions{display:flex;align-items:center;justify-content:flex-end;gap:7px;flex-wrap:wrap;min-width:0}
.user-actions .secondary{font-size:12.5px;padding:9px 12px;min-height:38px}
.user-actions .user-stop{color:var(--red);background:var(--red-soft)}
.user-actions button:disabled{cursor:not-allowed}
.danger-action{background:var(--red);box-shadow:none}.danger-action:hover{background:var(--red);box-shadow:none}
.user-form p{overflow-wrap:anywhere}.user-form .small{margin-top:6px}
.user-form .form-columns>div{min-width:0}
@media(max-width:1150px){.user-row{grid-template-columns:minmax(0,1fr) auto}.user-actions{grid-column:1/-1;justify-content:flex-start}}
@media(max-width:680px){
  .users-toolbar{align-items:stretch}.users-filter{flex-wrap:wrap;overflow:visible}.users-filter select{flex:1;min-width:100px}
  .users-panel{padding-top:18px;border-radius:var(--r-lg)}.user-row{gap:12px;padding:16px 12px}
  .user-summary{justify-content:flex-end;max-width:130px}.user-actions{gap:8px}
  .user-actions .secondary{flex:1;padding:10px 8px;font-size:12px;min-height:40px}
  .user-name-line h3{font-size:15px}.users-help{padding-bottom:14px}
  .user-form{max-height:calc(92dvh - 4px);overflow-y:auto;overscroll-behavior:contain}
}