/* KFN Portal — liquid-glass design system (matches kfn-website aesthetic). */
:root {
  --bg:#ffffff; --text:#0d1117; --muted:#5b6573;
  --card-bg: rgba(255,255,255,0.55);
  --card-border: rgba(255,255,255,0.65);
  --accent:#2563eb; --accent-2:#7c3aed;
  --error:#dc2626; --ok:#16a34a;
  --radius:22px;
  --field-bg: rgba(255,255,255,0.72);
  --field-border: rgba(0,0,0,0.10);
  --lava: linear-gradient(-45deg,#ff9a9e,#fecfef,#a1c4fd,#84fab0,#fbc2eb);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg:#050507; --text:#f0f0f3; --muted:#9aa3b2;
    --card-bg: rgba(22,24,32,0.46);
    --card-border: rgba(255,255,255,0.10);
    --accent:#6aa3ff; --accent-2:#b48bff;
    --field-bg: rgba(255,255,255,0.06);
    --field-border: rgba(255,255,255,0.12);
    --lava: linear-gradient(-45deg,#0f2027,#203a43,#2c5364,#4b1248,#0f3443);
  }
}
* { box-sizing:border-box; }
html, body { margin:0; min-height:100%; }
body {
  font-family:"Wanted Sans Variable","Wanted Sans",system-ui,-apple-system,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;
  background:var(--bg); color:var(--text); line-height:1.6; -webkit-font-smoothing:antialiased;
}
.lava-background { position:fixed; inset:0; z-index:-2; background:var(--lava); background-size:400% 400%;
  opacity:0; animation: lavaFlow 26s ease infinite, fadeIn 2.4s ease-out forwards; }
.lava-grain { position:fixed; inset:0; z-index:-1; backdrop-filter:blur(46px) saturate(120%); -webkit-backdrop-filter:blur(46px) saturate(120%); }
@keyframes lavaFlow { 0%{background-position:0% 50%} 50%{background-position:100% 50%} 100%{background-position:0% 50%} }
@keyframes fadeIn { to { opacity:.55 } }

.nav { display:flex; justify-content:space-between; align-items:center; padding:20px 28px; }
.brand { display:flex; align-items:center; gap:10px; font-weight:900; letter-spacing:-1px; font-size:1.5rem; color:var(--text); text-decoration:none; }
.brand .dot { width:13px; height:13px; border-radius:50%; background:linear-gradient(135deg,var(--accent),var(--accent-2)); box-shadow:0 0 18px var(--accent); }
.lang { position:relative; }
.lang > button { display:flex; align-items:center; gap:6px; background:var(--card-bg); border:1px solid var(--card-border); color:var(--text); border-radius:999px; padding:8px 14px; cursor:pointer; font:inherit; font-weight:700; backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px); }
.lang-menu { position:absolute; right:0; top:calc(100% + 8px); min-width:150px; background:var(--card-bg); border:1px solid var(--card-border); border-radius:14px; backdrop-filter:blur(22px); -webkit-backdrop-filter:blur(22px); overflow:hidden; display:none; z-index:50; }
.lang-menu.open { display:block; }
.lang-menu a { display:block; padding:11px 16px; color:var(--text); text-decoration:none; }
.lang-menu a:hover { background:rgba(125,125,125,.14); }

.shell { min-height:calc(100vh - 140px); display:flex; align-items:center; justify-content:center; padding:24px; }
.card { width:100%; max-width:440px; background:var(--card-bg); border:1px solid var(--card-border); border-radius:var(--radius);
  backdrop-filter:blur(30px) saturate(150%); -webkit-backdrop-filter:blur(30px) saturate(150%);
  box-shadow:0 24px 70px rgba(0,0,0,.20); padding:38px 34px; }
.card.wide { max-width:560px; }
.card h1 { font-size:1.7rem; margin:0 0 6px; font-weight:800; letter-spacing:-.5px; }
.card .lede { color:var(--muted); margin:0 0 26px; }

.field { margin:0 0 16px; }
.field label { display:block; font-weight:700; margin:0 0 8px; font-size:.95rem; }
.input { width:100%; font-size:1.05rem; padding:15px 16px; border-radius:14px; border:1px solid var(--field-border);
  background:var(--field-bg); color:var(--text); outline:none; transition:.15s; }
.input:focus { border-color:var(--accent); box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent); }
.input.code-input { letter-spacing:.45em; text-align:center; font-size:1.45rem; font-weight:700; }

.btn { display:flex; width:100%; align-items:center; justify-content:center; gap:8px; padding:15px 18px; border-radius:14px;
  border:1px solid rgba(0,0,0,.06); cursor:pointer; font-weight:800; font-size:1.05rem; color:#14151a; background:#f4f4f6;
  box-shadow:0 8px 22px rgba(0,0,0,.16); transition:.15s; text-decoration:none; }
.btn:hover { background:#ffffff; transform:translateY(-1px); }
.btn[disabled] { opacity:.55; cursor:not-allowed; transform:none; }
.btn-ghost { background:transparent; color:var(--text); border:1px solid var(--card-border); box-shadow:none; }
.row { display:flex; gap:10px; } .row .btn { flex:1; }

.alert { padding:13px 15px; border-radius:13px; margin:0 0 18px; font-weight:600; font-size:.95rem; }
.alert.err { background:color-mix(in srgb, var(--error) 14%, transparent); color:var(--error); border:1px solid color-mix(in srgb, var(--error) 35%, transparent); }
.alert.ok { background:color-mix(in srgb, var(--ok) 14%, transparent); color:var(--ok); border:1px solid color-mix(in srgb, var(--ok) 35%, transparent); }

.hidden { display:none !important; }
.muted { color:var(--muted); } .center { text-align:center; } .mt { margin-top:18px; }
.hint { font-size:.86rem; color:var(--muted); margin-top:8px; }
a { color:var(--accent); }
.foot { padding:22px; text-align:center; color:var(--muted); font-size:.85rem; }

/* landing hero */
.hero { text-align:center; max-width:680px; }
.hero-title { font-size:clamp(2.4rem,6vw,4rem); font-weight:800; letter-spacing:-2px; margin:0 0 18px; line-height:1.05; }
.hero-title .accent { background:linear-gradient(135deg,var(--accent),var(--accent-2)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero-sub { font-size:1.2rem; color:var(--muted); margin:0 auto 30px; max-width:520px; }
.hero-actions { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
.hero-actions .btn { width:auto; display:inline-flex; padding:15px 34px; }
.hero-note { margin-top:26px; color:var(--muted); font-size:.9rem; }

/* 2FA setup steps */
.steps-list { text-align:left; margin:0 auto 18px; max-width:360px; padding-left:20px; color:var(--muted); line-height:1.7; }
.steps-list li { margin:5px 0; }

/* SMS (Type B) verification box — user texts the code to us */
.sms-box { display:flex; align-items:stretch; border:1px solid var(--field-border); border-radius:14px; overflow:hidden; margin:14px 0; }
.sms-text { flex:1; padding:14px 16px; background:var(--field-bg); font-size:1rem; line-height:1.55; word-break:break-word; text-align:left; }
.sms-copy { border:0; background:#14151a; color:#fff; font-weight:800; padding:0 18px; cursor:pointer; white-space:nowrap; }
.sms-copy:hover { background:#000; }
.sms-status { margin:8px 0; }
.sms-wait { color:#d97706; font-weight:700; }
.sms-done { color:var(--ok); font-weight:700; }
.sms-exp  { color:var(--error); font-weight:700; }
.sms-row { display:flex; gap:12px; align-items:center; margin:12px 0; }
.sms-meta { display:flex; justify-content:space-between; gap:10px; color:var(--muted); font-size:.82rem; margin-top:10px; border-top:1px solid var(--card-border); padding-top:10px; }

/* progressive one-prompt-at-a-time register flow */
.prompt { margin:0 0 18px; animation: rise .35s ease; }
.prompt.hidden { display:none; }
@keyframes rise { from { opacity:0; transform:translateY(10px) } to { opacity:1; transform:none } }
.q { font-size:1.25rem; font-weight:800; margin:0 0 10px; }
.steps { display:flex; gap:6px; margin:0 0 22px; }
.steps i { height:5px; flex:1; border-radius:3px; background:var(--field-border); }
.steps i.on { background:linear-gradient(135deg,var(--accent),var(--accent-2)); }

.spin { width:18px; height:18px; border:3px solid color-mix(in srgb, var(--accent) 30%, transparent); border-top-color:var(--accent);
  border-radius:50%; animation: rot .8s linear infinite; display:inline-block; vertical-align:middle; }
@keyframes rot { to { transform:rotate(360deg) } }

.scopes { list-style:none; padding:0; margin:0 0 22px; }
.scopes li { display:flex; gap:12px; align-items:flex-start; padding:12px 0; border-bottom:1px solid var(--card-border); }
.scopes .ico { font-size:1.25rem; }

.qr { display:block; margin:8px auto 14px; width:200px; height:200px; background:#fff; border-radius:14px; padding:10px; }
.kbd { font-family:ui-monospace,monospace; background:var(--field-bg); border:1px solid var(--field-border); border-radius:8px; padding:3px 8px; word-break:break-all; }
.codes { display:grid; grid-template-columns:1fr 1fr; gap:8px; margin:12px 0 20px; }
.codes span { font-family:ui-monospace,monospace; background:var(--field-bg); border:1px solid var(--field-border); border-radius:10px; padding:10px; text-align:center; letter-spacing:.1em; }
.avatar { width:96px; height:96px; border-radius:50%; object-fit:cover; border:2px solid var(--card-border); display:block; }
.checkmark { width:84px; height:84px; line-height:84px; margin:6px auto 14px; border-radius:50%;
  background:color-mix(in srgb, var(--ok) 20%, transparent); color:var(--ok); font-size:46px; font-weight:900; text-align:center; }

/* --- Admin panel --- */
.admin-top { display:flex; justify-content:space-between; align-items:center; padding:16px 28px;
  border-bottom:1px solid var(--card-border); background:var(--card-bg); backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px); }
.admin-top .brand small { font-weight:700; opacity:.55; font-size:.6em; letter-spacing:1px; }
.admin-nav { display:flex; gap:18px; align-items:center; flex-wrap:wrap; }
.admin-nav a { color:var(--text); text-decoration:none; font-weight:600; }
.admin-nav a:hover { color:var(--accent); }
.admin-wrap { max-width:1080px; margin:0 auto; padding:28px; }
.admin-wrap h1 { font-size:1.6rem; margin:0 0 18px; }
.panel { background:var(--card-bg); border:1px solid var(--card-border); border-radius:18px;
  backdrop-filter:blur(24px); -webkit-backdrop-filter:blur(24px); padding:22px 24px; margin:0 0 22px; box-shadow:0 14px 40px rgba(0,0,0,.12); }
.cards-row { display:grid; grid-template-columns:repeat(auto-fit,minmax(190px,1fr)); gap:16px; margin:0 0 22px; }
.stat { background:var(--card-bg); border:1px solid var(--card-border); border-radius:18px; backdrop-filter:blur(24px); -webkit-backdrop-filter:blur(24px); padding:20px; }
.stat .n { font-size:2rem; font-weight:800; }
.stat .l { color:var(--muted); font-size:.88rem; }
table { width:100%; border-collapse:collapse; font-size:.92rem; }
th, td { text-align:left; padding:10px 12px; border-bottom:1px solid var(--card-border); vertical-align:middle; }
th { color:var(--muted); font-weight:700; font-size:.78rem; text-transform:uppercase; letter-spacing:.04em; }
.badge { display:inline-block; padding:3px 10px; border-radius:999px; font-size:.76rem; font-weight:700; }
.badge.active { background:color-mix(in srgb,var(--ok) 18%,transparent); color:var(--ok); }
.badge.pending { background:color-mix(in srgb,#d97706 22%,transparent); color:#d97706; }
.badge.suspended { background:color-mix(in srgb,var(--error) 16%,transparent); color:var(--error); }
.badge.yes { background:color-mix(in srgb,var(--accent) 18%,transparent); color:var(--accent); }
.badge.no { background:var(--field-bg); color:var(--muted); }
.btn-sm { display:inline-block; padding:7px 12px; border-radius:10px; border:1px solid var(--card-border);
  background:var(--field-bg); color:var(--text); font-weight:700; font-size:.82rem; cursor:pointer; text-decoration:none; }
.btn-sm:hover { border-color:var(--accent); }
.btn-sm.danger { color:var(--error); border-color:color-mix(in srgb,var(--error) 40%,transparent); }
.row-between { display:flex; justify-content:space-between; align-items:center; margin:0 0 18px; }
.searchbar { display:flex; gap:8px; margin:0 0 18px; max-width:520px; }
.searchbar input { flex:1; padding:10px 14px; border-radius:12px; border:1px solid var(--field-border); background:var(--field-bg); color:var(--text); }
.chk { display:flex; gap:10px; align-items:center; margin:0 0 12px; font-weight:600; }
textarea.input { font-family:inherit; resize:vertical; }