/* ============================================================
   안소정영어 운영 허브 — 편집 디자인 시스템
   Paper-cream · ink-navy · gold accent · hairline borders
   ============================================================ */
:root{
  --paper:#f6f1e7;        /* warm cream page */
  --paper-2:#fbf7ef;      /* card */
  --paper-3:#f1ebdd;      /* sunken */
  --ink:#23211c;          /* near-black warm */
  --ink-2:#4f4a40;        /* muted text */
  --ink-3:#8a8273;        /* faint */
  --line:#ddd5c4;         /* hairline */
  --line-2:#cabfa8;
  --line-strong:#bcb19a;
  --navy:#1d2a39;         /* deep structural */
  --navy-2:#26384b;
  --navy-line:#33465c;
  --cream-on-navy:#ece3d2;
  --gold:#b78a2e;         /* brand accent */
  --gold-2:#d8b25a;       /* bright gold */
  --gold-soft:#f0e2bf;
  --green:#2f7a52;
  --green-soft:#e2efe4;
  --amber:#b07d12;
  --amber-soft:#f4e9cf;
  --rust:#b1462a;
  --rust-soft:#f4e0d7;
  --blue:#2d5b86;
  --shadow-sm:0 1px 2px rgba(40,33,20,.05);
  --shadow:0 6px 22px -10px rgba(40,33,20,.22);
  --shadow-lg:0 22px 50px -20px rgba(30,24,12,.40);
  --radius:14px;
  --radius-sm:9px;
  --maxw:1560px;
  --side:248px;
  --serif:"Hahmlet",serif;
  --sans:"Pretendard","Pretendard Variable",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
}

*{box-sizing:border-box}
[hidden]{display:none!important}   /* ensure hidden attribute always wins over class display rules */
html{ -webkit-text-size-adjust:100%; }
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--sans); font-size:15px; line-height:1.55;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  letter-spacing:-.01em;
}
body::before{ /* faint vignette atmosphere */
  content:""; position:fixed; inset:0; pointer-events:none; z-index:0;
  background:radial-gradient(120% 80% at 80% -10%, rgba(215,178,90,.10), transparent 60%),
             radial-gradient(90% 70% at -10% 110%, rgba(45,91,134,.08), transparent 55%);
}
.grain{
  position:fixed; inset:0; z-index:1; pointer-events:none; opacity:.5; mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.045'/%3E%3C/svg%3E");
}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
::selection{background:var(--gold-soft)}
:focus-visible{outline:2.5px solid var(--gold);outline-offset:2px;border-radius:4px}

/* scrollbar */
*{scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}
*::-webkit-scrollbar{width:10px;height:10px}
*::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:20px;border:3px solid var(--paper)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:7px;justify-content:center;
  font-weight:600;font-size:14px;border-radius:10px;padding:9px 15px;
  border:1px solid var(--line-strong);background:var(--paper-2);color:var(--ink);
  cursor:pointer;transition:transform .12s ease, box-shadow .15s ease, background .15s, border-color .15s;
  box-shadow:var(--shadow-sm);
}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--navy);color:var(--cream-on-navy);border-color:var(--navy)}
.btn-primary:hover{background:var(--navy-2)}
.btn-ghost{background:transparent;border-color:transparent;box-shadow:none}
.btn-ghost:hover{background:var(--paper-3);box-shadow:none}
.btn-sm{padding:6px 11px;font-size:13px;border-radius:8px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--paper-2);cursor:pointer}
.ic{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ============================================================
   GATE
   ============================================================ */
.gate{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:24px;
  background:radial-gradient(120% 120% at 50% 0%, #24344a, #16212e);}
.gate-card{position:relative;z-index:2;width:min(380px,92vw);background:var(--paper-2);
  border:1px solid var(--line);border-radius:20px;padding:38px 32px;text-align:center;box-shadow:var(--shadow-lg)}
.gate-mark{font-family:var(--serif);font-size:34px;color:var(--gold);width:64px;height:64px;margin:0 auto 14px;
  display:grid;place-items:center;border:1.5px solid var(--gold);border-radius:16px;background:var(--gold-soft)}
.gate-title{font-family:var(--serif);font-size:23px;margin:0 0 6px;font-weight:700}
.gate-sub{color:var(--ink-2);margin:0 0 22px;font-size:14px}
#gateForm{display:flex;flex-direction:column;gap:10px}
#gateInput{padding:12px 14px;border:1px solid var(--line-strong);border-radius:11px;background:var(--paper);font-size:15px;font-family:inherit;text-align:center;letter-spacing:.04em}
.gate-err{color:var(--rust);font-size:13px;margin:12px 0 0}

/* ============================================================
   SHELL / LAYOUT
   ============================================================ */
.shell{position:relative;z-index:2;min-height:100vh}
.topbar{display:none}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);z-index:20;
  background:linear-gradient(180deg,#1f2e3f,#1a2533);color:var(--cream-on-navy);
  border-right:1px solid #0f1822;
  display:flex;flex-direction:column;padding:22px 16px 16px;
}
.brand{display:flex;align-items:center;gap:12px;padding:6px 8px 22px}
.brand-mark{font-family:var(--serif);font-weight:700;color:var(--navy);background:var(--gold-2);
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:21px;flex:none;
  box-shadow:0 2px 0 rgba(0,0,0,.15)}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-family:var(--serif);font-size:17px;letter-spacing:.01em}
.brand-text span{font-size:11.5px;color:#9fb0c2;letter-spacing:.12em;text-transform:uppercase}
.nav{display:flex;flex-direction:column;gap:3px;margin-top:4px}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:11px;
  color:#c4d0dd;font-weight:500;font-size:14.5px;position:relative;transition:background .15s,color .15s}
.nav-item .ic{width:19px;height:19px;opacity:.85;color:#9fb4c8}
.nav-item:hover{background:rgba(255,255,255,.05);color:#fff}
.nav-item.active{background:rgba(216,178,90,.14);color:#fff}
.nav-item.active .ic{color:var(--gold-2);opacity:1}
.nav-item.active::before{content:"";position:absolute;left:-16px;top:50%;transform:translateY(-50%);
  width:4px;height:22px;background:var(--gold-2);border-radius:0 4px 4px 0}
.nav-count{margin-left:auto;font-family:var(--mono);font-size:11.5px;background:rgba(255,255,255,.08);
  color:#cdd8e3;padding:1px 8px;border-radius:20px}
.side-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--navy-line);font-size:12.5px;color:#94a6b8}
.side-foot-row{display:flex;justify-content:space-between;padding:4px 6px}
.side-foot-row b{font-family:var(--mono);color:#cdd8e3;font-weight:500}
.side-lock{margin-top:8px;width:100%;display:flex;align-items:center;gap:8px;justify-content:center;
  background:transparent;border:1px solid var(--navy-line);color:#b9c6d4;border-radius:9px;padding:8px;cursor:pointer;font-size:13px;transition:.15s}
.side-lock:hover{background:rgba(255,255,255,.05);color:#fff}
.side-lock .ic{width:16px;height:16px}

.main{margin-left:var(--side);min-height:100vh;display:flex;flex-direction:column}
.view{flex:1;width:100%;margin:0;padding:34px clamp(26px,3vw,60px) 30px;min-width:0}
.page-foot{width:100%;margin:0;padding:20px clamp(26px,3vw,60px) 34px;color:var(--ink-3);font-size:12.5px}

.scrim{position:fixed;inset:0;background:rgba(20,16,8,.4);z-index:19;backdrop-filter:blur(2px)}

/* ============================================================
   SHARED PIECES
   ============================================================ */
.page-head{margin-bottom:26px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:9px}
.page-title{font-family:var(--serif);font-size:clamp(26px,3.4vw,36px);font-weight:700;line-height:1.1;margin:0;letter-spacing:-.01em}
.page-desc{color:var(--ink-2);margin:9px 0 0;font-size:15px;max-width:60ch}

.card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.section-title{font-family:var(--serif);font-size:20px;font-weight:600;margin:0;display:flex;align-items:center;gap:10px}
.section-title .tick{width:7px;height:20px;background:var(--gold-2);border-radius:3px;display:inline-block}

.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:3px 9px;border-radius:20px;
  border:1px solid var(--line-strong);background:var(--paper-3);color:var(--ink-2);white-space:nowrap;line-height:1.6}
.badge.green{background:var(--green-soft);color:var(--green);border-color:#bcdcc6}
.badge.amber{background:var(--amber-soft);color:var(--amber);border-color:#e8d3a0}
.badge.rust{background:var(--rust-soft);color:var(--rust);border-color:#e6c3b5}
.badge.navy{background:#e7edf3;color:var(--navy);border-color:#cdd9e4}
.badge.gold{background:var(--gold-soft);color:#8a6516;border-color:#e2cd95}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

.empty{padding:30px;text-align:center;color:var(--ink-3);font-size:14px;border:1px dashed var(--line-strong);border-radius:12px;background:var(--paper-3)}

/* enter animation */
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.stagger>*{animation:rise .5s both cubic-bezier(.2,.7,.3,1)}
.stagger>*:nth-child(1){animation-delay:.02s}
.stagger>*:nth-child(2){animation-delay:.06s}
.stagger>*:nth-child(3){animation-delay:.10s}
.stagger>*:nth-child(4){animation-delay:.14s}
.stagger>*:nth-child(5){animation-delay:.18s}
.stagger>*:nth-child(6){animation-delay:.22s}
.stagger>*:nth-child(7){animation-delay:.26s}
.stagger>*:nth-child(8){animation-delay:.30s}
@media (prefers-reduced-motion:reduce){.stagger>*{animation:none}}

/* ============================================================
   DASHBOARD
   ============================================================ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:26px}
.stat{position:relative;padding:18px 18px 16px;overflow:hidden}
.stat .lab{font-size:13px;color:var(--ink-2);font-weight:600;display:flex;align-items:center;gap:7px}
.stat .num{font-family:var(--serif);font-size:38px;font-weight:700;line-height:1;margin-top:12px;letter-spacing:-.02em}
.stat .sub{font-size:12px;color:var(--ink-3);margin-top:5px;font-family:var(--mono)}
.stat .ic{width:17px;height:17px;color:var(--gold);stroke-width:1.8}
.stat::after{content:"";position:absolute;right:-26px;bottom:-26px;width:80px;height:80px;border-radius:50%;
  background:radial-gradient(circle,var(--gold-soft),transparent 70%);opacity:.6}

.dash-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:18px;align-items:start}
.panel{padding:20px 22px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.today-date{font-family:var(--mono);font-size:13px;color:var(--ink-2)}

.progress{height:8px;border-radius:20px;background:var(--paper-3);border:1px solid var(--line);overflow:hidden;margin:14px 0 18px}
.progress>i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--gold-2));border-radius:20px;transition:width .5s cubic-bezier(.2,.7,.3,1)}

.task{display:flex;align-items:flex-start;gap:13px;padding:13px 8px;border-top:1px solid var(--line)}
.task:first-of-type{border-top:none}
.task-check{flex:none;margin-top:1px;width:23px;height:23px;border-radius:7px;border:1.6px solid var(--line-strong);
  background:var(--paper);cursor:pointer;display:grid;place-items:center;transition:.15s}
.task-check svg{width:14px;height:14px;stroke:#fff;stroke-width:2.6;fill:none;opacity:0;transition:.15s}
.task.done .task-check{background:var(--green);border-color:var(--green)}
.task.done .task-check svg{opacity:1}
.task-body{flex:1;min-width:0}
.task-name{font-size:14.5px;font-weight:500;white-space:pre-line;transition:.15s}
.task.done .task-name{color:var(--ink-3);text-decoration:line-through}
.task-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:7px}
.chip{font-family:var(--mono);font-size:11.5px;padding:2px 8px;border-radius:6px;background:var(--paper-3);border:1px solid var(--line);color:var(--ink-2);font-weight:500}
.chip.time{background:#eaf0f4;border-color:#d3e0ea;color:var(--blue)}

.quick{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.quick a{display:flex;flex-direction:column;gap:3px;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--paper);transition:.15s}
.quick a:hover{border-color:var(--gold);background:var(--gold-soft);transform:translateY(-2px)}
.quick a b{font-size:14.5px;font-weight:600}
.quick a span{font-size:12px;color:var(--ink-3)}

.alert-row{display:flex;align-items:center;gap:11px;padding:11px 6px;border-top:1px dashed var(--line)}
.alert-row:first-of-type{border-top:none}
.alert-row .nm{font-weight:600;font-size:14px}
.alert-row .sc{margin-left:auto;font-family:var(--mono);font-weight:600}

/* ============================================================
   STUDENTS
   ============================================================ */
.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:20px}
.search{flex:1;min-width:210px;display:flex;align-items:center;gap:9px;background:var(--paper-2);
  border:1px solid var(--line-strong);border-radius:12px;padding:0 14px;box-shadow:var(--shadow-sm)}
.search:focus-within{border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-soft)}
.search input{border:none;background:none;outline:none;padding:12px 0;font-size:15px;font-family:inherit;width:100%;color:var(--ink)}
.search .ic{color:var(--ink-3);width:18px;height:18px}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.fchip{font-size:13px;font-weight:600;padding:8px 13px;border-radius:20px;border:1px solid var(--line-strong);
  background:var(--paper-2);color:var(--ink-2);cursor:pointer;transition:.14s;white-space:nowrap}
.fchip:hover{border-color:var(--gold)}
.fchip.on{background:var(--navy);color:var(--cream-on-navy);border-color:var(--navy)}
.fchip .n{font-family:var(--mono);opacity:.6;margin-left:5px;font-size:11px}

.sortbar{display:flex;align-items:center;gap:8px;margin-bottom:16px;color:var(--ink-3);font-size:13px}
.seg{display:inline-flex;border:1px solid var(--line-strong);border-radius:9px;overflow:hidden;background:var(--paper-2)}
.seg button{border:none;background:none;padding:7px 13px;font-size:13px;font-weight:600;color:var(--ink-2);cursor:pointer;border-left:1px solid var(--line)}
.seg button:first-child{border-left:none}
.seg button.on{background:var(--gold-soft);color:#8a6516}

.grid-students{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:14px}
.scard{padding:17px 17px 15px;cursor:pointer;transition:transform .14s,box-shadow .16s,border-color .16s;position:relative;overflow:hidden}
.scard:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.scard-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:46px;height:46px;border-radius:13px;flex:none;display:grid;place-items:center;
  font-family:var(--serif);font-size:21px;font-weight:600;color:var(--navy);background:var(--gold-soft);border:1px solid #e6d3a3}
.scard-id{min-width:0}
.scard-name{font-family:var(--serif);font-size:18.5px;font-weight:600;line-height:1.1}
.scard-sub{font-size:12px;color:var(--ink-3);margin-top:3px;font-family:var(--mono)}
.scard-stats{display:flex;align-items:flex-end;justify-content:space-between;gap:10px;padding-top:13px;border-top:1px solid var(--line)}
.scard-avg{font-family:var(--serif);font-size:27px;font-weight:700;line-height:1}
.scard-avg small{font-size:13px;color:var(--ink-3);font-family:var(--mono);font-weight:500;margin-left:2px}
.scard-last{text-align:right;font-size:11.5px;color:var(--ink-3);font-family:var(--mono);max-width:120px}
.ring{--p:0;width:42px;height:42px;border-radius:50%;flex:none;
  background:conic-gradient(var(--rc,var(--gold)) calc(var(--p)*1%), var(--paper-3) 0);
  display:grid;place-items:center;mask:none}
.ring i{width:32px;height:32px;border-radius:50%;background:var(--paper-2);display:grid;place-items:center;
  font-size:11px;font-weight:700;font-family:var(--mono);color:var(--ink)}

/* ============================================================
   STUDENT DETAIL
   ============================================================ */
.back{display:inline-flex;align-items:center;gap:7px;color:var(--ink-2);font-weight:600;font-size:13.5px;margin-bottom:18px;cursor:pointer}
.back:hover{color:var(--gold)}
.detail-head{display:flex;gap:20px;align-items:flex-start;flex-wrap:wrap;padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:24px}
.detail-avatar{width:72px;height:72px;border-radius:18px;flex:none;display:grid;place-items:center;
  font-family:var(--serif);font-size:34px;font-weight:600;color:var(--navy);background:var(--gold-soft);border:1px solid #e6d3a3}
.detail-id h1{font-family:var(--serif);font-size:34px;font-weight:700;margin:0;line-height:1}
.detail-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:11px}
.detail-kpis{margin-left:auto;display:flex;gap:10px}
.kpi{min-width:104px;padding:13px 16px;border:1px solid var(--line);border-radius:13px;background:var(--paper-2);text-align:center}
.kpi .v{font-family:var(--serif);font-size:27px;font-weight:700;line-height:1}
.kpi .k{font-size:11.5px;color:var(--ink-3);margin-top:5px;font-weight:600}

.detail-grid{display:grid;grid-template-columns:1fr;gap:18px}
.chart-card{padding:20px 22px}
.chart-wrap{margin-top:6px;overflow-x:auto}
svg.trend{display:block;width:100%;min-width:420px;height:170px}
.trend .axis{stroke:var(--line);stroke-width:1}
.trend .area{fill:url(#gold);opacity:.18}
.trend .ln{fill:none;stroke:var(--gold);stroke-width:2.4;stroke-linejoin:round;stroke-linecap:round}
.trend .dot{fill:var(--paper-2);stroke:var(--gold);stroke-width:2.2}
.trend .avgln{stroke:var(--ink-3);stroke-width:1.3;stroke-dasharray:4 4;opacity:.6}
.trend text{font-family:var(--mono);font-size:10px;fill:var(--ink-3)}

/* tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:13px;background:var(--paper-2)}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px;min-width:560px}
table.tbl th{font-size:11.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-3);font-weight:700;
  text-align:left;padding:12px 14px;border-bottom:1px solid var(--line-strong);background:var(--paper-3);white-space:nowrap;position:sticky;top:0}
table.tbl td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
table.tbl tr:last-child td{border-bottom:none}
table.tbl tbody tr{transition:background .12s}
table.tbl tbody tr:hover{background:var(--gold-soft)}
.td-num{font-family:var(--mono);font-variant-numeric:tabular-nums;text-align:right;font-weight:600}
.td-test{font-weight:600}
.dot-pct{display:inline-flex;align-items:center;gap:7px}
.bar{width:54px;height:6px;border-radius:6px;background:var(--paper-3);overflow:hidden;display:inline-block}
.bar>i{display:block;height:100%;border-radius:6px}
.vs-up{color:var(--green);font-weight:700}
.vs-dn{color:var(--rust);font-weight:700}

/* ============================================================
   GRADES (by test accordion)
   ============================================================ */
.test-card{margin-bottom:12px;overflow:hidden}
.test-sum{display:flex;align-items:center;gap:14px;padding:15px 18px;cursor:pointer;user-select:none}
.test-sum:hover{background:var(--paper-3)}
.test-cal{flex:none;width:50px;text-align:center;border:1px solid var(--line-strong);border-radius:9px;overflow:hidden;background:var(--paper)}
.test-cal .m{font-family:var(--mono);font-size:10px;background:var(--navy);color:var(--cream-on-navy);padding:2px 0;letter-spacing:.05em}
.test-cal .d{font-family:var(--serif);font-size:19px;font-weight:700;padding:3px 0;line-height:1}
.test-info{min-width:0;flex:1}
.test-name{font-weight:600;font-size:15.5px}
.test-sub{font-size:12px;color:var(--ink-3);margin-top:3px;font-family:var(--mono)}
.test-avg{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.ministat{text-align:center}
.ministat .v{font-family:var(--mono);font-weight:600;font-size:15px}
.ministat .k{font-size:10.5px;color:var(--ink-3)}
.test-chevron{transition:transform .2s;color:var(--ink-3)}
details.test-card>summary{list-style:none}
details.test-card>summary::-webkit-details-marker{display:none}
details.test-card[open] .test-chevron{transform:rotate(180deg)}
.test-body{border-top:1px solid var(--line)}

/* ============================================================
   SCHEDULE
   ============================================================ */
.sched-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:16px}
.sched-card{padding:0;overflow:hidden}
.sched-head{padding:15px 18px;background:var(--navy);color:var(--cream-on-navy);display:flex;align-items:center;justify-content:space-between}
.sched-head h3{margin:0;font-family:var(--serif);font-size:18px;font-weight:600}
.sched-head .badge{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18);color:#dfe7ef}
.sched-sec{padding:14px 18px}
.sched-sec+.sched-sec{border-top:1px solid var(--line)}
.sched-sec h4{margin:0 0 11px;font-size:12.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-3);display:flex;align-items:center;gap:7px;font-weight:700}
.sitem{display:flex;gap:11px;padding:9px 0;border-top:1px dashed var(--line)}
.sitem:first-of-type{border-top:none}
.sitem .rnd{flex:none;font-family:var(--mono);font-size:11px;font-weight:600;color:var(--gold);background:var(--gold-soft);border:1px solid #e6d3a3;border-radius:6px;padding:2px 7px;height:fit-content}
.sitem .ct{font-size:13.5px;line-height:1.5;white-space:pre-line}
.sitem .dt{font-size:11.5px;color:var(--ink-3);font-family:var(--mono);margin-top:2px}

/* ============================================================
   DOCS
   ============================================================ */
.docs-layout{display:grid;grid-template-columns:230px 1fr;gap:22px;align-items:start}
.doc-list{position:sticky;top:24px;display:flex;flex-direction:column;gap:3px}
.doc-tab{text-align:left;padding:11px 13px;border-radius:10px;border:1px solid transparent;background:none;cursor:pointer;
  font-size:14px;font-weight:500;color:var(--ink-2);transition:.14s;display:flex;align-items:center;gap:9px}
.doc-tab:hover{background:var(--paper-3)}
.doc-tab.on{background:var(--paper-2);border-color:var(--line);color:var(--ink);font-weight:600;box-shadow:var(--shadow-sm)}
.doc-tab .ic{width:16px;height:16px;color:var(--gold);flex:none}
.doc-body{padding:30px 34px;min-height:300px}
.prose h2{font-family:var(--serif);font-size:23px;font-weight:700;margin:30px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.prose h2:first-child{margin-top:0}
.prose h3{font-family:var(--serif);font-size:18px;font-weight:600;margin:22px 0 9px}
.prose h4{font-size:14px;font-weight:700;margin:18px 0 7px;color:var(--ink-2)}
.prose p{margin:8px 0;color:var(--ink)}
.prose .b-text.empty-line{height:6px;border:none;background:none}
.prose ul{margin:8px 0;padding-left:4px;list-style:none}
.prose li{position:relative;padding:3px 0 3px 20px}
.prose li::before{content:"";position:absolute;left:4px;top:13px;width:5px;height:5px;border-radius:50%;background:var(--gold)}
.prose li.num{counter-increment:li}
.prose ol{counter-reset:li;list-style:none;padding-left:4px;margin:8px 0}
.prose ol>li{padding-left:26px}
.prose ol>li::before{content:counter(li);background:none;width:auto;height:auto;left:2px;top:3px;
  font-family:var(--mono);font-weight:600;color:var(--gold);font-size:13px}
.prose .todo{display:flex;align-items:flex-start;gap:9px;padding:4px 0}
.prose .todo .box{width:18px;height:18px;border-radius:5px;border:1.5px solid var(--line-strong);flex:none;margin-top:2px;display:grid;place-items:center}
.prose .todo.ck .box{background:var(--green);border-color:var(--green)}
.prose .todo.ck .box::after{content:"✓";color:#fff;font-size:12px}
.prose .todo.ck span{color:var(--ink-3);text-decoration:line-through}
.prose blockquote{margin:12px 0;padding:9px 16px;border-left:3px solid var(--gold);background:var(--paper-3);border-radius:0 8px 8px 0;color:var(--ink-2)}
.prose .callout{display:flex;gap:12px;padding:15px 17px;border:1px solid var(--line);border-radius:12px;background:linear-gradient(180deg,var(--gold-soft),var(--paper-2));margin:14px 0}
.prose .callout .ce{font-size:19px;flex:none}
.prose details{border:1px solid var(--line);border-radius:11px;margin:10px 0;background:var(--paper-2);overflow:hidden}
.prose summary{padding:12px 16px;cursor:pointer;font-weight:600;list-style:none;display:flex;align-items:center;gap:9px;background:var(--paper-3)}
.prose summary::-webkit-details-marker{display:none}
.prose summary::before{content:"▸";color:var(--gold);transition:.2s;display:inline-block}
.prose details[open] summary::before{transform:rotate(90deg)}
.prose details .det-body{padding:10px 18px 14px}
.prose hr{border:none;border-top:1px solid var(--line);margin:18px 0}
.prose .db-ref{display:flex;align-items:center;gap:11px;padding:13px 16px;border:1px solid var(--line-strong);border-radius:11px;background:var(--paper-3);margin:12px 0;text-decoration:none}
.prose .db-ref:hover{border-color:var(--gold);background:var(--gold-soft)}
.prose .db-ref .ic{color:var(--gold)}
.prose .db-ref b{font-weight:600}
.prose .db-ref span{font-size:12px;color:var(--ink-3);display:block}
.prose .pageref{color:var(--blue);font-weight:600;border-bottom:1px solid #b8cadb;cursor:pointer}
.prose .pageref:hover{background:#eaf0f4}
.prose .file{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:12.5px;background:var(--paper-3);
  border:1px solid var(--line);border-radius:7px;padding:4px 9px;margin:2px 0;color:var(--ink-2)}

/* ============================================================
   TOOLBAR ACTIONS / ADD BUTTONS
   ============================================================ */
.head-row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}
.head-actions{display:flex;gap:9px;flex-wrap:wrap;padding-top:6px}
.btn-add{background:var(--gold);color:#2a1f06;border-color:var(--gold)}
.btn-add:hover{background:var(--gold-2)}
.row-acts{display:inline-flex;gap:4px;opacity:0;transition:.15s}
.task:hover .row-acts,.sitem:hover .row-acts,tr:hover .row-acts{opacity:1}
.row-act{width:28px;height:28px;border-radius:7px;border:1px solid var(--line);background:var(--paper-2);display:grid;place-items:center;cursor:pointer;color:var(--ink-2)}
.row-act:hover{border-color:var(--gold);color:var(--ink);background:var(--gold-soft)}
.row-act .ic{width:15px;height:15px}
.row-act.del:hover{border-color:var(--rust);color:var(--rust);background:var(--rust-soft)}

/* ============================================================
   FILTER BAR (detailed)
   ============================================================ */
.filterbar{display:flex;flex-direction:column;gap:11px;margin-bottom:20px}
.frow{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.flabel{font-size:11px;font-weight:700;color:var(--ink-3);letter-spacing:.06em;min-width:40px;text-transform:uppercase}
.fchip.sm{padding:6px 11px;font-size:12.5px}
.fchip,.tab,.badge,.chip,.flabel,.seg button,.nav-item span,.kpi .k,.ministat .k,.stat .lab{white-space:nowrap}
.result-count{margin-left:auto;font-size:12.5px;color:var(--ink-3);font-family:var(--mono);white-space:nowrap}

/* search + add-button row (검색은 칩 아래, 추가버튼 우측정렬) */
.toolbar2{display:flex;gap:12px;align-items:center;margin-top:16px;flex-wrap:wrap}
.toolbar2 .search{flex:1 1 240px;min-width:200px;max-width:460px}
.toolbar2 .seg{flex:none}
.toolbar2 .btn-add{margin-left:auto;flex:none}
.gdates{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-top:12px}

/* prevent decorative circle from painting over numbers (글자 겹침 방지) */
.stat>*{position:relative;z-index:1}
.stat::after{z-index:0}
.scard-name,.detail-id h1,.gtitle,.test-name{overflow-wrap:anywhere}
.scard-sub,.scard-last{overflow:hidden;text-overflow:ellipsis}

/* ============================================================
   TAB BAR
   ============================================================ */
.tabbar{display:flex;gap:6px;overflow-x:auto;padding:6px;background:var(--paper-3);border:1px solid var(--line);border-radius:13px;margin-bottom:0}
.tabbar::-webkit-scrollbar{height:6px}
.tab{flex:none;display:flex;flex-direction:column;gap:1px;padding:8px 15px;border-radius:9px;border:1px solid transparent;background:transparent;cursor:pointer;white-space:nowrap;transition:.14s;color:var(--ink-2);text-align:left}
.tab:hover{background:var(--paper-2)}
.tab.on{background:var(--navy);color:var(--cream-on-navy);border-color:var(--navy);box-shadow:var(--shadow-sm)}
.tab .t-d{font-family:var(--mono);font-size:10.5px;opacity:.65;letter-spacing:.02em}
.tab .t-n{font-weight:600;font-size:13.5px}
.tab.on .t-d{opacity:.85}

/* grade panel meta header */
.gpanel{margin-top:16px}
.gmeta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding:16px 20px;border:1px solid var(--line);border-bottom:none;border-radius:14px 14px 0 0;background:var(--paper-3)}
.gmeta .gtitle{font-family:var(--serif);font-size:19px;font-weight:700}
.gmeta .gsub{font-size:12.5px;color:var(--ink-3);font-family:var(--mono);margin-top:2px}
.gmeta .gstats{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap}
.tbl-wrap.attach{border-radius:0 0 14px 14px;border-top:none}

/* ============================================================
   MODAL
   ============================================================ */
.modal-scrim{position:fixed;inset:0;z-index:60;background:rgba(22,17,8,.52);backdrop-filter:blur(3px);display:grid;place-items:center;padding:20px;animation:fade .16s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{width:min(540px,96vw);max-height:90vh;display:flex;flex-direction:column;background:var(--paper-2);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-lg);animation:pop .22s cubic-bezier(.2,.8,.3,1) both}
@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:22px 24px 4px}
.modal-head h3{font-family:var(--serif);font-size:21px;font-weight:700;margin:0;display:flex;align-items:center;gap:9px}
.modal-head .mtick{width:7px;height:22px;background:var(--gold-2);border-radius:3px}
.modal-head p{margin:6px 0 0;font-size:13px;color:var(--ink-2)}
.modal-x{flex:none;width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:var(--paper);display:grid;place-items:center;cursor:pointer;color:var(--ink-2)}
.modal-x:hover{background:var(--rust-soft);border-color:var(--rust);color:var(--rust)}
.modal-body{padding:16px 24px 6px;overflow:auto;display:flex;flex-direction:column;gap:15px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:12.5px;font-weight:700;color:var(--ink-2)}
.field label .req{color:var(--rust);margin-left:3px}
.field input,.field select,.field textarea{padding:11px 13px;border:1px solid var(--line-strong);border-radius:11px;background:var(--paper);font-family:inherit;font-size:14.5px;color:var(--ink);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold);outline:none;box-shadow:0 0 0 3px var(--gold-soft)}
.field textarea{min-height:76px;resize:vertical;line-height:1.5}
.field .hint{font-size:11.5px;color:var(--ink-3)}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field.err input,.field.err select{border-color:var(--rust);box-shadow:0 0 0 3px var(--rust-soft)}
.modal-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:16px 24px 22px;border-top:1px solid var(--line);margin-top:6px}
.modal-foot .spacer{flex:1}
.modal-msg{font-size:12.5px;color:var(--rust);font-weight:600}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1080px){
  .dash-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .docs-layout{grid-template-columns:1fr}
  .doc-list{position:static;flex-direction:row;overflow-x:auto;padding-bottom:6px}
  .doc-tab{white-space:nowrap}
  .detail-kpis{margin-left:0;width:100%}
}
@media (max-width:760px){
  :root{--side:0px}
  .sidebar{transform:translateX(-100%);transition:transform .26s cubic-bezier(.3,.8,.3,1);width:264px;box-shadow:var(--shadow-lg)}
  .shell.menu .sidebar{transform:none}
  .topbar{display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:18;
    background:rgba(246,241,231,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:10px 14px}
  .topbar-brand{font-family:var(--serif);font-weight:700;font-size:17px;display:flex;align-items:center;gap:9px}
  .topbar-brand .brand-mark{width:30px;height:30px;font-size:17px;border-radius:9px}
  .main{margin-left:0}
  .view{padding:22px 18px 24px}
  .page-foot{padding:18px}
  .detail-head{gap:14px}
  .detail-kpis{flex-wrap:wrap}
  .kpi{flex:1;min-width:90px}
}
@media (max-width:760px){
  .field-grid{grid-template-columns:1fr}
  .gmeta .gstats{margin-left:0;width:100%}
  .head-actions{width:100%}
}
@media (max-width:430px){
  .stat-grid{grid-template-columns:1fr 1fr;gap:10px}
  .quick{grid-template-columns:1fr}
  .grid-students{grid-template-columns:1fr 1fr;gap:10px}
  .scard{padding:13px}
  .avatar{width:40px;height:40px;font-size:18px}
  .modal{border-radius:16px}
}