/* ============================================================
   SAP SIM Platform — Pastel Design System
   Display: Gabarito · Body(KR): Pretendard
   ============================================================ */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css');
@import url('https://fonts.googleapis.com/css2?family=Gabarito:wght@500;600;700;800&display=swap');

:root{
  --bg:#F7F4EF;            /* warm off-white */
  --surface:#FFFFFF;
  --surface-2:#FBFAF7;
  --ink:#2C2A3A;          /* deep desaturated indigo */
  --ink-soft:#6B6878;
  --line:#ECE7DE;

  --lav:#C9C2F0;  --lav-bg:#EEEBFB;
  --mint:#9FDFC4; --mint-bg:#E3F6EE;
  --peach:#F7C6AC; --peach-bg:#FDEDE3;
  --sky:#A9D6EE;  --sky-bg:#E5F2FA;
  --butter:#F4DE9B; --butter-bg:#FBF3D8;
  --rose:#F2B5C4; --rose-bg:#FCE8EE;

  --primary:#7C6CE0;       /* muted violet accent */
  --primary-ink:#5848B8;
  --danger:#E0729A;
  --ok:#52B58C;

  --radius:18px; --radius-sm:12px;
  --shadow:0 1px 2px rgba(44,42,58,.04), 0 8px 24px rgba(44,42,58,.06);
  --shadow-lg:0 12px 40px rgba(44,42,58,.14);
  --font-d:'Gabarito',sans-serif;
  --font-b:'Pretendard',sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--font-b); color:var(--ink); background:var(--bg);
  background-image:
    radial-gradient(900px 500px at 8% -5%, var(--lav-bg) 0%, transparent 55%),
    radial-gradient(800px 500px at 100% 0%, var(--mint-bg) 0%, transparent 50%),
    radial-gradient(700px 600px at 60% 110%, var(--peach-bg) 0%, transparent 55%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased; line-height:1.5;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,.d{font-family:var(--font-d);letter-spacing:-.01em}

/* ---------- Layout shell ---------- */
.shell{display:grid;grid-template-columns:264px 1fr;min-height:100vh}
.sidebar{
  background:rgba(255,255,255,.72);backdrop-filter:blur(14px);
  border-right:1px solid var(--line);padding:22px 16px;
  position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:6px;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 10px 18px}
.brand .logo{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--lav),var(--sky));
  display:grid;place-items:center;font-family:var(--font-d);font-weight:800;color:#fff;
  box-shadow:var(--shadow);
}
.brand b{font-family:var(--font-d);font-size:1.05rem}
.brand span{display:block;font-size:.72rem;color:var(--ink-soft);font-family:var(--font-b)}
.nav-label{font-size:.7rem;color:var(--ink-soft);text-transform:uppercase;
  letter-spacing:.08em;padding:14px 12px 6px}
.nav a{display:flex;align-items:center;gap:11px;padding:11px 12px;border-radius:12px;
  color:var(--ink-soft);font-weight:500;font-size:.92rem;transition:.16s}
.nav a .ic{width:20px;text-align:center;opacity:.8}
.nav a:hover{background:var(--surface-2);color:var(--ink)}
.nav a.active{background:linear-gradient(135deg,var(--lav-bg),var(--sky-bg));
  color:var(--primary-ink);font-weight:600;box-shadow:inset 0 0 0 1px #fff}
.sidebar .spacer{flex:1}
.userbox{display:flex;align-items:center;gap:10px;padding:10px;border-radius:14px;
  background:var(--surface-2);border:1px solid var(--line)}
.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--peach),var(--rose));
  display:grid;place-items:center;color:#fff;font-weight:700;font-family:var(--font-d)}
.userbox small{color:var(--ink-soft);font-size:.74rem}

.main{padding:30px 38px 60px;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;gap:16px}
.topbar h1{font-size:1.55rem}
.topbar .sub{color:var(--ink-soft);font-size:.9rem;margin-top:2px}
.hamburger{display:none;background:var(--surface);border:1px solid var(--line);
  width:42px;height:42px;border-radius:12px;font-size:1.2rem;cursor:pointer}

/* ---------- Cards / grid ---------- */
.grid{display:grid;gap:18px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow)}
.card h3{font-size:1.05rem;margin-bottom:4px}
.card .muted{color:var(--ink-soft);font-size:.85rem}

.stat{position:relative;overflow:hidden}
.stat .num{font-family:var(--font-d);font-size:2.2rem;font-weight:800;line-height:1}
.stat .lbl{color:var(--ink-soft);font-size:.86rem;margin-top:8px}
.stat .chip{position:absolute;top:18px;right:18px;width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;font-size:1.2rem}
.c-lav{background:var(--lav-bg)} .c-mint{background:var(--mint-bg)}
.c-peach{background:var(--peach-bg)} .c-sky{background:var(--sky-bg)}
.c-butter{background:var(--butter-bg)} .c-rose{background:var(--rose-bg)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);padding:10px 16px;border-radius:12px;
  font-family:var(--font-b);font-weight:600;font-size:.88rem;cursor:pointer;transition:.15s}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn.primary{background:linear-gradient(135deg,var(--primary),#9385ED);color:#fff;border-color:transparent}
.btn.ghost{background:transparent}
.btn.danger{color:var(--danger);border-color:#F3D4DF}
.btn.sm{padding:7px 12px;font-size:.8rem}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- Badges / pills ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;
  font-size:.74rem;font-weight:600}
.badge.lav{background:var(--lav-bg);color:var(--primary-ink)}
.badge.mint{background:var(--mint-bg);color:#2C7A5A}
.badge.peach{background:var(--peach-bg);color:#B5663F}
.badge.sky{background:var(--sky-bg);color:#2C6E94}
.badge.rose{background:var(--rose-bg);color:#B24C6C}
.badge.gray{background:var(--surface-2);color:var(--ink-soft)}

/* ---------- List / table ---------- */
.list{display:flex;flex-direction:column}
.row{display:flex;align-items:center;gap:14px;padding:14px 6px;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:none}
.row .grow{flex:1;min-width:0}
.row .title{font-weight:600}
.row .meta{color:var(--ink-soft);font-size:.8rem;margin-top:2px}
.row .title.truncate,.truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- Forms ---------- */
.field{margin-bottom:14px}
.field label{display:block;font-size:.82rem;font-weight:600;margin-bottom:6px;color:var(--ink-soft)}
.input,.select,textarea.input{width:100%;padding:11px 13px;border:1px solid var(--line);
  border-radius:11px;font-family:var(--font-b);font-size:.92rem;background:var(--surface-2);color:var(--ink)}
.input:focus,.select:focus{outline:none;border-color:var(--lav);background:#fff;
  box-shadow:0 0 0 3px var(--lav-bg)}
.row-inline{display:flex;gap:12px}.row-inline>*{flex:1}
.switch{display:flex;align-items:center;gap:8px;font-size:.85rem;cursor:pointer}

/* ---------- Modal ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(44,42,58,.38);backdrop-filter:blur(3px);
  display:none;align-items:center;justify-content:center;z-index:80;padding:20px}
.modal-bg.show{display:flex;animation:fade .2s ease}
.modal{background:var(--surface);border-radius:22px;box-shadow:var(--shadow-lg);
  width:min(560px,100%);max-height:88vh;overflow:auto;animation:pop .22s cubic-bezier(.2,.9,.3,1.2)}
.modal header{display:flex;justify-content:space-between;align-items:center;
  padding:20px 24px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--surface)}
.modal header h3{font-size:1.15rem}
.modal .body{padding:22px 24px}
.modal .foot{padding:16px 24px;border-top:1px solid var(--line);display:flex;
  justify-content:flex-end;gap:10px;position:sticky;bottom:0;background:var(--surface)}
.x{background:none;border:none;font-size:1.4rem;cursor:pointer;color:var(--ink-soft);line-height:1}

/* ---------- Toast ---------- */
.toast-wrap{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:120;
  display:flex;flex-direction:column;gap:10px;align-items:center}
.toast{background:var(--ink);color:#fff;padding:12px 20px;border-radius:14px;font-size:.88rem;
  box-shadow:var(--shadow-lg);animation:pop .25s ease}
.toast.ok{background:linear-gradient(135deg,#52B58C,#6FC6A0)}
.toast.err{background:linear-gradient(135deg,#E0729A,#E98BAC)}

/* ---------- Progress ---------- */
.progress{height:10px;background:var(--surface-2);border-radius:99px;overflow:hidden}
.progress>i{display:block;height:100%;border-radius:99px;
  background:linear-gradient(90deg,var(--mint),var(--sky))}

/* ---------- Stars ---------- */
.stars{display:inline-flex;gap:2px;font-size:1.1rem;color:var(--butter)}
.stars .off{color:var(--line)}

/* ---------- Skeleton / loader ---------- */
.skel{background:linear-gradient(90deg,#eee 25%,#f5f5f5 37%,#eee 63%);
  background-size:400% 100%;animation:sk 1.3s infinite;border-radius:8px}
.spinner{width:18px;height:18px;border:2.5px solid var(--lav-bg);border-top-color:var(--primary);
  border-radius:50%;animation:spin .7s linear infinite;display:inline-block}
.center-load{display:flex;justify-content:center;padding:26px}

/* ---------- Chat (AI interview) ---------- */
.chat{display:flex;flex-direction:column;gap:12px;max-height:52vh;overflow:auto;padding:8px 2px}
.bubble{max-width:78%;padding:12px 15px;border-radius:16px;font-size:.92rem;line-height:1.55}
.bubble.user{align-self:flex-end;background:linear-gradient(135deg,var(--primary),#9385ED);color:#fff;border-bottom-right-radius:5px}
.bubble.ai{align-self:flex-start;background:var(--surface-2);border:1px solid var(--line);border-bottom-left-radius:5px}
.chat-input{display:flex;gap:10px;margin-top:14px}

/* ---------- Auth ---------- */
.auth{min-height:100vh;display:grid;place-items:center;padding:20px}
.auth .panel{width:min(420px,100%);background:var(--surface);border:1px solid var(--line);
  border-radius:26px;padding:38px 34px;box-shadow:var(--shadow-lg)}
.auth .logo-lg{width:56px;height:56px;border-radius:16px;margin-bottom:18px;
  background:linear-gradient(135deg,var(--lav),var(--sky));display:grid;place-items:center;
  font-family:var(--font-d);font-weight:800;color:#fff;font-size:1.4rem}
.flash{padding:11px 14px;border-radius:11px;font-size:.85rem;margin-bottom:14px}
.flash.danger{background:var(--rose-bg);color:#B24C6C}
.flash.warning{background:var(--butter-bg);color:#9A7B1E}

.empty{text-align:center;color:var(--ink-soft);padding:40px 10px}
.load-more-wrap{display:flex;justify-content:center;margin-top:16px}

@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes sk{0%{background-position:100% 0}100%{background-position:-100% 0}}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .grid.cols-3{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:0;z-index:90;width:80%;max-width:300px;
    transform:translateX(-105%);transition:.25s;box-shadow:var(--shadow-lg)}
  .sidebar.open{transform:none}
  .hamburger{display:grid;place-items:center}
  .main{padding:20px 16px 80px}
  .grid.cols-4,.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}
  .topbar h1{font-size:1.3rem}
  .nav-backdrop{position:fixed;inset:0;background:rgba(44,42,58,.3);z-index:85;display:none}
  .nav-backdrop.show{display:block}
}

/* ---------- Calendar ---------- */
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-head{margin-bottom:6px}
.cal-head>div{text-align:center;font-size:.78rem;color:var(--ink-soft);font-weight:600;padding:4px 0}
.cal-cell{min-height:84px;background:var(--surface-2);border:1px solid var(--line);
  border-radius:10px;padding:6px;overflow:hidden}
.cal-cell.dim{opacity:.4}
.cal-d{font-size:.78rem;font-weight:600;color:var(--ink-soft);margin-bottom:4px}
.cal-ev{font-size:.72rem;background:var(--lav-bg);color:var(--primary-ink);
  border-radius:6px;padding:2px 5px;margin-bottom:3px;cursor:pointer;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cal-ev:hover{filter:brightness(.96)}
@media(max-width:720px){
  .cal-cell{min-height:58px;padding:3px}
  .cal-ev{font-size:.62rem}
  .cal-head>div{font-size:.66rem}
}

/* ---------- Subtitle cue editor ---------- */
#cue-wrap{max-height:50vh;overflow-y:auto;display:flex;flex-direction:column;gap:6px}
.cue-row{display:grid;grid-template-columns:130px 130px 1fr 36px;gap:6px;align-items:center}
.cue-row .cue-t{font-family:monospace;font-size:.78rem;padding:6px 8px}
@media(max-width:720px){
  .cue-row{grid-template-columns:1fr 1fr;grid-auto-rows:auto}
  .cue-row>input:nth-child(3){grid-column:1/3}
}

/* ---------- Board tree ---------- */
.board-tree{display:flex;flex-direction:column;gap:2px}
.tree-item{padding:6px 10px;border-radius:8px;cursor:pointer;font-size:.84rem;
  color:var(--ink-soft);transition:background .15s}
.tree-item:hover{background:var(--lav-bg)}
.tree-item.active{background:var(--primary);color:#fff}
.tree-inst{font-weight:700;color:var(--ink)}

/* ---------- Community grid ---------- */
@media(max-width:720px){
  .comm-grid{grid-template-columns:1fr !important}
  #board-tree-wrap{display:none}
}