:root{
  --bg:#0b0d12; --panel:#12151d; --panel2:#171b25; --line:#232938;
  --text:#e7ecf3; --muted:#9aa6b8; --accent:#6366f1; --accent2:#22d3ee;
  --good:#10b981; --bad:#ef4444; --warn:#f59e0b;
  --radius:14px; --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:radial-gradient(1200px 600px at 80% -10%,#1a1f2e,transparent),var(--bg);
  color:var(--text);font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;margin:0 0 .4em}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}

/* Top nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(12,14,20,.78);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)}
.nav .row{display:flex;align-items:center;gap:18px;height:62px}
.brand{font-weight:700;letter-spacing:-.02em;font-size:18px;color:#fff;display:flex;align-items:center;gap:8px}
.brand .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 0 12px var(--accent)}
.nav .spacer{flex:1}
.nav a.lnk{color:var(--muted)}
.nav a.lnk:hover{color:#fff;text-decoration:none}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;
  border:1px solid var(--line);background:var(--panel2);color:#fff;padding:10px 16px;border-radius:10px;
  font:inherit;font-weight:600;cursor:pointer;transition:.15s;text-decoration:none}
.btn:hover{border-color:#3a4258;text-decoration:none}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.primary{background:linear-gradient(135deg,var(--accent),#4338ca);border-color:transparent}
.btn.primary:hover{filter:brightness(1.1)}
.btn.ghost{background:transparent}
.btn.danger{background:#3b1414;border-color:#6b2222;color:#ffcaca}
.btn.sm{padding:6px 12px;font-size:13px}

/* Cards */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:780px){.grid2{grid-template-columns:1fr}}

/* Forms */
label.fld{display:block;margin:0 0 14px}
label.fld > span{display:block;color:var(--muted);font-size:13px;margin-bottom:6px}
input,textarea,select{width:100%;background:var(--panel2);border:1px solid var(--line);color:var(--text);
  padding:11px 13px;border-radius:10px;font:inherit;outline:none}
input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(99,102,241,.25)}
textarea{min-height:90px;resize:vertical}
.hint{font-size:12px;color:var(--muted);margin-top:6px}

/* Tabs */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:18px;flex-wrap:wrap}
.tab{padding:11px 16px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent;font-weight:600}
.tab.active{color:#fff;border-color:var(--accent)}
.tab:hover{color:#fff}

/* Pills */
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--panel2);
  border:1px solid var(--line);font-size:12px;color:var(--muted)}
.pill.good{color:#7fffd4;border-color:#1d4f3a;background:#0f2419}
.pill.bad{color:#ffb4b4;border-color:#5b1f1f;background:#2a1010}
.pill.warn{color:#ffd28a;border-color:#5a4111;background:#2a1f0c}

/* Toast */
#toast{position:fixed;right:18px;bottom:18px;z-index:99;display:flex;flex-direction:column;gap:8px;max-width:340px}
.tmsg{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--accent);
  padding:12px 14px;border-radius:10px;box-shadow:var(--shadow);font-size:14px}
.tmsg.ok{border-left-color:var(--good)} .tmsg.err{border-left-color:var(--bad)} .tmsg.warn{border-left-color:var(--warn)}

/* Hero (landing) */
.hero-bg{padding:80px 0 60px;text-align:center}
.hero-bg h1{font-size:clamp(32px,5vw,56px);letter-spacing:-.02em;margin-bottom:14px;
  background:linear-gradient(120deg,#fff,#9bb0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-bg p.lead{font-size:18px;color:var(--muted);max-width:640px;margin:0 auto 26px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:40px 0}
@media (max-width:780px){.steps{grid-template-columns:1fr}}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.step .n{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:grid;place-items:center;font-weight:800;margin-bottom:12px}
.step h3{margin-bottom:6px} .step p{margin:0;color:var(--muted);font-size:14px}
.tagline{color:var(--muted);font-size:14px;margin-top:14px}
.tagline b{color:#fff}

/* Builder layout */
.builder{display:grid;grid-template-columns:420px 1fr;gap:18px;height:calc(100vh - 62px);overflow:hidden}
@media (max-width:980px){.builder{grid-template-columns:1fr;height:auto;overflow:visible}}
.pane{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.pane .head{padding:14px 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.pane .body{overflow:auto;padding:16px}
iframe.preview{flex:1;border:0;width:100%;background:#fff;border-radius:0}

/* Repeatable list items */
.rep{border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:10px;background:var(--panel2)}
.rep-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.rep-head .lbl{font-weight:600;font-size:13px;color:var(--muted)}

/* Empty state */
.empty{color:var(--muted);text-align:center;padding:40px 20px}

/* Chips (skill editor) */
.chips-input{display:flex;flex-wrap:wrap;gap:6px;padding:8px;border:1px solid var(--line);border-radius:10px;background:var(--panel2)}
.chips-input input{background:transparent;border:0;padding:6px;flex:1;min-width:120px}
.chip-tag{display:inline-flex;align-items:center;gap:6px;background:var(--panel);border:1px solid var(--line);
  padding:4px 10px;border-radius:999px;font-size:13px}
.chip-tag button{background:transparent;border:0;color:var(--muted);cursor:pointer;line-height:1}

/* Table */
table.tbl{width:100%;border-collapse:collapse}
table.tbl th,table.tbl td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
table.tbl th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.05em}

footer.foot{text-align:center;color:var(--muted);padding:30px;font-size:13px}
.muted{color:var(--muted)}
.center{text-align:center}
.mt0{margin-top:0}.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}
.flex{display:flex}.gap8{gap:8px}.aic{align-items:center}.jcb{justify-content:space-between}.wrap-y{flex-wrap:wrap}