/* ===================== 基础 ===================== */
*{box-sizing:border-box}
:root{
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --serif:Georgia,"Times New Roman","Songti SC","STSong","SimSun",serif;
  --bg:#0b1120; --bg2:#0f172a; --panel:#111a2e; --panel2:#0d1526;
  --line:rgba(148,163,184,.16); --line2:rgba(148,163,184,.28);
  --txt:#e5eaf3; --mut:#8b97ac; --mut2:#64748b;
  --brand:#6366f1; --brand2:#22d3ee;
  --radius:12px;
}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:var(--sans);font-size:14px;line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
h1,h2,p{margin:0}
button{font-family:inherit}
input{font-family:inherit}

/* ===================== 布局 ===================== */
.app{display:grid;grid-template-columns:380px 1fr;height:100vh;height:100dvh;overflow:hidden}

/* ===================== 面板 ===================== */
.panel{
  background:linear-gradient(180deg,var(--panel),var(--panel2));
  border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;
}
.brand{display:flex;gap:12px;align-items:center;padding:16px 18px;border-bottom:1px solid var(--line)}
.brand-logo{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;font-size:21px;flex:none;
  background:linear-gradient(135deg,#4f46e5,#22d3ee);box-shadow:0 6px 18px rgba(79,70,229,.35)
}
.brand-txt h1{font-size:16px;font-weight:700;letter-spacing:.02em}
.brand-txt p{font-size:11px;color:var(--mut2);margin-top:2px}

.panel-scroll{overflow-y:auto;padding:14px 18px 26px;flex:1;min-height:0}
.panel-scroll::-webkit-scrollbar{width:8px}
.panel-scroll::-webkit-scrollbar-thumb{background:var(--line2);border-radius:8px}

.grp{padding:14px 0;border-bottom:1px solid var(--line)}
.grp:last-of-type{border-bottom:none}
.grp-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.grp-head h2{font-size:12px;font-weight:700;color:var(--mut);letter-spacing:.05em}
.sub{font-size:11px;color:var(--mut2);font-weight:600;margin:14px 0 8px;letter-spacing:.04em}
.sub:first-of-type{margin-top:0}

/* 字段 */
.fields{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.fld{display:flex;flex-direction:column;gap:5px}
.fld.col2{grid-column:auto}
.fld:not(.col2){grid-column:1 / -1}
.fld span{font-size:11px;color:var(--mut);font-weight:600}
.fld span i{color:#f87171;font-style:normal}
.fld input{
  background:var(--panel2);border:1px solid var(--line);border-radius:9px;
  padding:9px 11px;color:var(--txt);font-size:13px;transition:border-color .15s,box-shadow .15s;width:100%
}
.fld input::placeholder{color:#516074}
.fld input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(99,102,241,.18)}

/* 按钮通用 */
.mini{
  background:var(--panel2);border:1px solid var(--line2);color:var(--txt);
  border-radius:8px;padding:6px 11px;font-size:12px;font-weight:600;cursor:pointer;transition:.15s
}
.mini:hover{border-color:var(--brand);color:#fff}
.mini.ghost{background:transparent;color:var(--mut)}
.mini.ghost:hover{color:#f87171;border-color:rgba(248,113,113,.5)}
.mini.file{display:inline-block}

/* 模板选择 */
.templates{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.tpl-pick{
  border:1.5px solid var(--line);background:var(--panel2);border-radius:10px;
  padding:0;cursor:pointer;overflow:hidden;transition:.15s;aspect-ratio:16/10;position:relative
}
.tpl-pick:hover{border-color:var(--line2)}
.tpl-pick.on{border-color:var(--brand);box-shadow:0 0 0 3px rgba(99,102,241,.22)}
.tpl-pick .mock{position:absolute;inset:0}
.tpl-pick .nm{
  position:absolute;left:0;right:0;bottom:0;font-size:9.5px;text-align:center;padding:2px 0;
  background:rgba(6,10,20,.72);color:#cbd5e1;font-weight:600;letter-spacing:.03em
}

/* 分段控件 */
.seg{display:flex;background:var(--panel2);border:1px solid var(--line);border-radius:9px;padding:3px;gap:3px}
.seg button{
  flex:1;background:transparent;border:none;color:var(--mut);padding:7px 6px;border-radius:6px;
  font-size:12px;font-weight:600;cursor:pointer;transition:.15s
}
.seg button.on{background:var(--brand);color:#fff;box-shadow:0 2px 8px rgba(99,102,241,.4)}

/* 色板 */
.swatches{display:flex;flex-wrap:wrap;gap:8px}
.swatches button{
  width:26px;height:26px;border-radius:50%;border:2px solid transparent;cursor:pointer;padding:0;
  box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.15);transition:transform .12s
}
.swatches button:hover{transform:scale(1.12)}
.swatches button.on{border-color:#fff;box-shadow:0 0 0 2px rgba(255,255,255,.25)}
.custom-color{display:flex;align-items:center;gap:9px;margin-top:11px}
.custom-color>span{font-size:11px;color:var(--mut2)}
.custom-color input[type=color]{width:34px;height:30px;padding:0;border:1px solid var(--line2);border-radius:8px;background:none;cursor:pointer}
.custom-color .hex{
  width:88px;background:var(--panel2);border:1px solid var(--line);border-radius:8px;
  padding:7px 9px;color:var(--txt);font-size:12px;font-family:ui-monospace,monospace
}
.custom-color .hex:focus{outline:none;border-color:var(--brand)}

/* logo */
.logo-row{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.logo-prev{
  width:60px;height:60px;border-radius:11px;border:1px dashed var(--line2);flex:none;
  display:grid;place-items:center;text-align:center;font-size:9px;color:var(--mut2);
  background:var(--panel2);overflow:hidden;line-height:1.3
}
.logo-prev img{width:100%;height:100%;object-fit:contain}
.logo-btns{display:flex;flex-direction:column;gap:7px;align-items:flex-start}
.logo-btns .tip{font-size:10.5px;color:var(--mut2);margin-top:1px}

.chk{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--txt);padding:7px 0;cursor:pointer}
.chk input{width:16px;height:16px;accent-color:var(--brand);cursor:pointer}

.reset-row{padding-top:16px}

/* ===================== 预览区 ===================== */
.preview{display:flex;flex-direction:column;min-width:0;min-height:0;
  background:
    radial-gradient(900px 500px at 70% -10%,rgba(34,211,238,.06),transparent 60%),
    radial-gradient(700px 500px at 0% 110%,rgba(99,102,241,.08),transparent 55%),
    var(--bg2);
}
.toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:14px 22px;border-bottom:1px solid var(--line)
}
.tb-flip{max-width:200px}
.tb-actions{display:flex;gap:9px;flex-wrap:wrap}
.btn{
  background:linear-gradient(135deg,#4f46e5,#4338ca);border:none;color:#fff;
  padding:9px 15px;border-radius:9px;font-size:12.5px;font-weight:600;cursor:pointer;
  box-shadow:0 4px 14px rgba(79,70,229,.3);transition:.15s
}
.btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn:active{transform:none}
.btn.ghost{background:transparent;border:1px solid var(--line2);color:var(--txt);box-shadow:none}
.btn.ghost:hover{border-color:var(--brand)}
.btn[disabled]{opacity:.5;pointer-events:none}

.stage-wrap{flex:1;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:26px;overflow:auto}
.stage{display:flex;gap:34px;align-items:flex-start;flex-wrap:wrap;justify-content:center}
.cardshell{
  border-radius:14px;background:#0b1120;
  box-shadow:0 30px 60px -18px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.05);
  position:relative;transition:opacity .2s
}
.cardshell::after{
  content:attr(data-shell);position:absolute;top:-22px;left:2px;font-size:11px;
  color:var(--mut2);font-weight:600;letter-spacing:.08em;text-transform:uppercase
}
.cardshell[data-shell=front]::after{content:"正面 / FRONT"}
.cardshell[data-shell=back]::after{content:"背面 / BACK"}
.cardshell.active{outline:2px solid var(--brand);outline-offset:5px}
.stage-hint{font-size:12px;color:var(--mut2);text-align:center;max-width:520px;line-height:1.7}

/* 单面聚焦模式（工具栏切换时用；宽屏默认双面并排） */
.stage.focus-front .cardshell[data-shell=back]{display:none}
.stage.focus-back .cardshell[data-shell=front]{display:none}
.hide{display:none!important}

/* ===================== 名片本体 ===================== */
.card{
  --accent:#4f46e5;--accent-soft:rgba(79,70,229,.1);--accent-line:rgba(79,70,229,.28);--on-accent:#fff;
  position:relative;width:480px;height:288px;background:#fff;color:#1f2937;
  overflow:hidden;box-sizing:border-box;border-radius:12px;
}
.stage.portrait .card{width:288px;height:480px}
.card.font-sans{font-family:var(--sans)}
.card.font-serif{font-family:var(--serif)}
.card *{box-sizing:border-box}

/* 通用小件 */
.card .mono{
  width:44px;height:44px;border-radius:10px;display:grid;place-items:center;flex:none;
  background:var(--accent);color:var(--on-accent);font-weight:800;font-size:22px;letter-spacing:.02em;overflow:hidden
}
.card .mono img{width:100%;height:100%;object-fit:contain}
.card .row{display:flex;align-items:center;gap:8px;font-size:11.5px;color:#475569;line-height:1.35}
.card .row svg{width:13px;height:13px;flex:none;color:var(--accent)}
.card .row b{font-weight:500;color:#334155;word-break:break-all}
.card .nm{font-weight:700;letter-spacing:.01em;color:#111827}
.card .ti{color:var(--accent);font-weight:600}
.card .co{color:#334155}
.card .contacts{display:flex;flex-direction:column;gap:6px}

/* ---- 模板 1：经典 classic ---- */
.tpl-classic{padding:30px 32px 28px 40px;display:flex;flex-direction:column}
.tpl-classic::before{content:"";position:absolute;left:0;top:0;bottom:0;width:12px;background:var(--accent)}
.tpl-classic .top{display:flex;justify-content:space-between;align-items:flex-start}
.tpl-classic .co{font-size:12px;letter-spacing:.06em;text-transform:uppercase;font-weight:700;color:#64748b;max-width:70%}
.tpl-classic .nm{font-size:29px;margin-top:auto}
.tpl-classic .ti{font-size:13.5px;margin-top:3px}
.tpl-classic .sep{height:1px;background:var(--accent-line);margin:14px 0 13px}
.tpl-classic .contacts{gap:6px}

/* ---- 模板 2：极简 minimal ---- */
.tpl-minimal{padding:34px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.tpl-minimal .dot{width:34px;height:3px;border-radius:2px;background:var(--accent);margin-bottom:18px}
.tpl-minimal .nm{font-size:28px}
.tpl-minimal .ti{font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-top:7px}
.tpl-minimal .co{font-size:12.5px;color:#64748b;margin-top:3px}
.tpl-minimal .contacts{margin-top:20px;gap:5px;align-items:center}
.tpl-minimal .row{justify-content:center;font-size:11px}

/* ---- 模板 3：深色科技 dark ---- */
.tpl-dark{padding:30px 32px 28px 34px;background:radial-gradient(120% 140% at 100% 0%,#1e293b 0,#0b1120 60%);color:#e2e8f0;display:flex;flex-direction:column}
.tpl-dark::after{content:"";position:absolute;right:-70px;top:-70px;width:200px;height:200px;border-radius:50%;background:var(--accent);opacity:.22;filter:blur(20px)}
.tpl-dark .top{display:flex;justify-content:space-between;align-items:flex-start;position:relative;z-index:1}
.tpl-dark .co{font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;font-weight:700;color:#94a3b8}
.tpl-dark .nm{color:#fff;font-size:29px;margin-top:auto;position:relative;z-index:1}
.tpl-dark .ti{font-size:13.5px;margin-top:3px}
.tpl-dark .sep{height:1px;background:rgba(255,255,255,.14);margin:13px 0 12px;position:relative;z-index:1}
.tpl-dark .contacts{position:relative;z-index:1}
.tpl-dark .row{color:#94a3b8}
.tpl-dark .row b{color:#cbd5e1}
.tpl-dark .row svg{color:var(--accent)}

/* ---- 模板 4：优雅 elegant（衬线气质，强制细线框） ---- */
.tpl-elegant{padding:30px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;font-family:var(--serif)}
.tpl-elegant::before,.tpl-elegant::after{content:"";position:absolute;left:26px;right:26px;height:1px;background:var(--accent-line)}
.tpl-elegant::before{top:22px}.tpl-elegant::after{bottom:22px}
.tpl-elegant .co{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);font-weight:600}
.tpl-elegant .nm{font-size:31px;font-weight:600;margin:12px 0 4px}
.tpl-elegant .ti{font-size:12.5px;letter-spacing:.08em;color:#64748b;font-style:italic}
.tpl-elegant .contacts{margin-top:16px;gap:4px;align-items:center;font-family:var(--sans)}
.tpl-elegant .row{justify-content:center;font-size:10.5px}

/* ---- 模板 5：色带 band ---- */
.tpl-band{padding:0;display:flex;flex-direction:column}
.tpl-band .band{background:var(--accent);color:var(--on-accent);padding:20px 30px;display:flex;align-items:center;gap:12px}
.tpl-band .band .co{font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--on-accent)}
.tpl-band .band .mono{background:rgba(255,255,255,.2);color:var(--on-accent)}
.tpl-band .body{padding:22px 30px 24px;display:flex;flex-direction:column;flex:1}
.tpl-band .nm{font-size:25px}
.tpl-band .ti{font-size:13px;margin-top:2px}
.tpl-band .sep{height:1px;background:var(--accent-line);margin:13px 0 12px}
.tpl-band .contacts{gap:6px}

/* ---- 模板 6：左右分栏 split ---- */
.tpl-split{padding:0;display:flex}
.tpl-split .left{width:38%;background:var(--accent);color:var(--on-accent);padding:26px 20px;display:flex;flex-direction:column;justify-content:space-between;align-items:flex-start}
.tpl-split .left .mono{background:rgba(255,255,255,.22);color:var(--on-accent)}
.tpl-split .left .nm{color:var(--on-accent);font-size:22px;line-height:1.15}
.tpl-split .left .ti{color:var(--on-accent);opacity:.9;font-size:11.5px;margin-top:5px;font-weight:500}
.tpl-split .right{flex:1;padding:26px 22px;display:flex;flex-direction:column;justify-content:center}
.tpl-split .right .co{font-size:12px;letter-spacing:.05em;text-transform:uppercase;font-weight:700;color:#64748b;margin-bottom:12px}
.tpl-split .contacts{gap:8px}
.tpl-split.portrait-adapt .left{width:100%}

/* 竖版微调 */
.stage.portrait .tpl-classic .nm,.stage.portrait .tpl-dark .nm{font-size:27px}
.stage.portrait .tpl-split{flex-direction:column}
.stage.portrait .tpl-split .left{width:100%;flex-direction:row;align-items:center;justify-content:flex-start;gap:14px;padding:22px 24px}
.stage.portrait .tpl-band .band{padding:22px 26px}

/* ===================== 背面 ===================== */
/* 横版:左右两栏(信息 | 二维码),避免竖向溢出裁切 logo;竖版:上下堆叠 */
.back{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center;gap:26px;padding:22px 26px;text-align:center;overflow:hidden}
.back.solid{background:var(--accent);color:var(--on-accent)}
.back.plain{background:#fff;color:#1f2937}
.back .b-info{display:flex;flex-direction:column;align-items:center;gap:9px;min-width:0;max-width:230px}
.back .b-qr{display:flex;flex-direction:column;align-items:center;gap:7px;flex:none}
.back .b-logo{width:54px;height:54px;border-radius:13px;display:grid;place-items:center;font-size:26px;font-weight:800;overflow:hidden;flex:none}
.back.solid .b-logo{background:rgba(255,255,255,.18);color:var(--on-accent)}
.back.plain .b-logo{background:var(--accent);color:var(--on-accent)}
.back .b-logo img{width:100%;height:100%;object-fit:contain}
.back .b-co{font-size:16px;font-weight:700;letter-spacing:.02em;line-height:1.25;word-break:break-word}
.back.plain .b-co{color:#111827}
.back .b-slogan{font-size:12px;opacity:.82;line-height:1.5;word-break:break-word}
.back.plain .b-slogan{color:#64748b;opacity:1}
.back .web{font-size:11px;opacity:.8;letter-spacing:.03em;word-break:break-all}
.back .qr{background:#fff;padding:8px;border-radius:10px;width:106px;height:106px;box-shadow:0 4px 14px rgba(0,0,0,.12)}
.back .qr img{width:100%;height:100%;display:block}
.back .qr-cap{font-size:10px;opacity:.75;letter-spacing:.04em}
.back.plain .qr-cap{color:#64748b}
.stage.portrait .back{flex-direction:column;gap:16px}
.stage.portrait .back .b-info{max-width:88%}

/* 正面二维码角标 */
.front-qr{position:absolute;bottom:14px;right:14px;width:58px;height:58px;background:#fff;padding:5px;border-radius:8px;box-shadow:0 3px 10px rgba(0,0,0,.15)}
.front-qr img{width:100%;height:100%;display:block}
.tpl-split .front-qr,.tpl-band .front-qr{bottom:14px;right:14px}

/* ===================== toast ===================== */
.toast{
  position:fixed;left:50%;bottom:28px;transform:translateX(-50%);
  background:#0b1120;border:1px solid var(--line2);color:#e2e8f0;
  padding:11px 20px;border-radius:11px;font-size:13px;z-index:50;
  box-shadow:0 14px 40px rgba(0,0,0,.5);max-width:90vw
}
.toast.err{border-color:rgba(248,113,113,.5);color:#fecaca}

/* ===================== 响应式 ===================== */
@media (max-width:1080px){
  .app{grid-template-columns:340px 1fr}
  .stage{gap:24px}
}
@media (max-width:860px){
  .app{grid-template-columns:1fr;grid-template-rows:auto 1fr;height:auto;min-height:100vh;overflow:visible}
  .panel{border-right:none;border-bottom:1px solid var(--line);max-height:none}
  .panel-scroll{overflow:visible}
  .preview{min-height:82vh}
  .stage{flex-direction:column}
}
/* ===================== 账号 / 抽屉 / 登录 ===================== */
[hidden]{display:none!important}

/* body 状态:boot=启动检查中 / anon=未登录 / authed=已登录 */
body.state-boot .app, body.state-anon .app{display:none}
body:not(.state-anon) .auth-overlay{display:none}
body:not(.state-boot) .boot-splash{display:none}

/* 账号条 */
.acctbar{display:flex;align-items:center;gap:10px;padding:11px 18px;border-bottom:1px solid var(--line);background:rgba(99,102,241,.06)}
.acct-ava{width:32px;height:32px;border-radius:9px;flex:none;display:grid;place-items:center;font-weight:800;color:#fff;background:linear-gradient(135deg,#4f46e5,#22d3ee);text-transform:uppercase}
.acct-meta{display:flex;flex-direction:column;min-width:0;line-height:1.25;flex:1}
.acct-meta b{font-size:13px;color:var(--txt);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.acct-meta span{font-size:10.5px;color:var(--mut2)}

/* 工具栏分组 + 当前名片名 */
.tb-group{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.cur-card{font-size:12px;color:var(--mut);max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cur-card.dirty::after{content:" ·未保存";color:#fbbf24}
.btn.wide{width:100%;justify-content:center;text-align:center}

/* 抽屉 */
.scrim{position:fixed;inset:0;background:rgba(2,6,23,.6);z-index:40;backdrop-filter:blur(2px)}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(400px,92vw);z-index:41;display:flex;flex-direction:column;
  background:linear-gradient(180deg,var(--panel),var(--panel2));border-left:1px solid var(--line);box-shadow:-20px 0 60px rgba(0,0,0,.5)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}
.drawer-head h3{margin:0;font-size:15px;font-weight:700}
.icon-btn{background:transparent;border:none;color:var(--mut);font-size:16px;cursor:pointer;width:30px;height:30px;border-radius:8px}
.icon-btn:hover{background:var(--panel2);color:#fff}
.drawer-body{flex:1;overflow-y:auto;padding:16px 18px;display:flex;flex-direction:column;gap:12px}
.drawer-foot{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;border-top:1px solid var(--line);font-size:11px;color:var(--mut2)}

.card-list{display:flex;flex-direction:column;gap:9px}
.cl-empty{color:var(--mut2);font-size:12.5px;text-align:center;padding:26px 0;line-height:1.7}
.cl-item{display:flex;align-items:center;gap:11px;padding:11px 12px;border:1px solid var(--line);border-radius:11px;background:var(--panel2);cursor:pointer;transition:.15s}
.cl-item:hover{border-color:var(--line2)}
.cl-item.on{border-color:var(--brand);box-shadow:0 0 0 2px rgba(99,102,241,.2)}
.cl-badge{width:38px;height:24px;border-radius:5px;flex:none;background:linear-gradient(135deg,#4f46e5,#7c3aed);position:relative}
.cl-badge.portrait{width:16px;height:26px}
.cl-info{flex:1;min-width:0;line-height:1.3}
.cl-info b{display:block;font-size:13px;color:var(--txt);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cl-info span{font-size:10.5px;color:var(--mut2)}
.cl-acts{display:flex;gap:4px;flex:none}
.cl-acts button{background:transparent;border:1px solid var(--line);color:var(--mut);border-radius:7px;padding:5px 8px;font-size:11px;cursor:pointer;transition:.15s}
.cl-acts button:hover{color:#fff;border-color:var(--line2)}
.cl-acts button.del:hover{color:#fca5a5;border-color:rgba(248,113,113,.5)}

/* 登录 / 注册 */
.auth-overlay{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;padding:20px;
  background:radial-gradient(1100px 620px at 50% -10%,#1e293b 0,#0f172a 55%,#020617 100%)}
.auth-card{width:100%;max-width:400px;background:rgba(255,255,255,.04);border:1px solid rgba(99,102,241,.28);border-radius:18px;
  box-shadow:0 30px 80px rgba(0,0,0,.55);padding:30px 30px 24px}
.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.auth-brand .brand-logo{width:44px;height:44px;font-size:23px}
.auth-brand h1{font-size:17px;font-weight:700}
.auth-brand p{font-size:11.5px;color:var(--mut2);margin-top:3px;line-height:1.4}
.auth-tabs{display:flex;background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:3px;gap:3px;margin-bottom:18px}
.auth-tabs button{flex:1;background:transparent;border:none;color:var(--mut);padding:9px;border-radius:7px;font-size:13px;font-weight:600;cursor:pointer;transition:.15s}
.auth-tabs button.on{background:var(--brand);color:#fff}
.auth-form{display:flex;flex-direction:column;gap:13px}
.afld{display:flex;flex-direction:column;gap:6px}
.afld span{font-size:11px;color:var(--mut);font-weight:600}
.afld input{background:var(--panel2);border:1px solid var(--line);border-radius:9px;padding:11px 13px;color:var(--txt);font-size:14px}
.afld input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(99,102,241,.18)}
.auth-err{background:rgba(248,113,113,.12);border:1px solid rgba(248,113,113,.4);color:#fca5a5;font-size:12.5px;padding:9px 12px;border-radius:9px}
.auth-foot{text-align:center;font-size:12.5px;color:var(--mut2);margin:16px 0 0}
.auth-foot a{color:var(--brand2);text-decoration:none;font-weight:600}

/* 启动 loading */
.boot-splash{position:fixed;inset:0;z-index:70;display:flex;align-items:center;justify-content:center;background:var(--bg)}
.boot-splash .spin{width:34px;height:34px;border-radius:50%;border:3px solid var(--line2);border-top-color:var(--brand);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

@media (max-width:860px){
  .toolbar{gap:10px}
  .drawer{width:100vw}
}

/* ===================== 打印 ===================== */
@media print{
  body{background:#fff}
  .panel,.toolbar,.stage-hint,.toast,.cardshell::after{display:none!important}
  .app{display:block;height:auto}
  .preview{background:#fff}
  .stage-wrap{padding:0}
  .stage{display:block}
  .cardshell{box-shadow:none;background:none;margin:0 auto 10mm;border-radius:0;width:90mm}
  .stage.portrait .cardshell{width:54mm}
  .card{width:90mm;height:54mm;border-radius:0;box-shadow:none;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .stage.portrait .card{width:54mm;height:90mm}
  .stage.focus-front .cardshell,.stage.focus-back .cardshell{display:block!important}
  @page{margin:12mm}
}