:root{
  --bg:#0e1220; --bg2:#151b2e; --card:#1a2238; --line:#2a3654;
  --txt:#e8ecf5; --muted:#9aa6c2; --brand:#5b8cff; --brand2:#7aa2ff;
  --ok:#31c48d; --err:#ff6b6b; --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:radial-gradient(1200px 700px at 80% -10%,#1c2748 0,var(--bg) 55%) fixed;
  color:var(--txt); min-height:100vh; line-height:1.5;
}
#app{max-width:820px;margin:0 auto;padding:0 20px 60px}
.hidden{display:none !important}
.muted{color:var(--muted)}
.small{font-size:.86rem}
em{color:var(--brand2);font-style:normal}

/* Topbar */
.topbar{display:flex;justify-content:space-between;align-items:center;padding:22px 0}
.brand{display:flex;gap:12px;align-items:center}
.brand .logo{font-size:26px;color:var(--brand)}
.brand small{display:block;color:var(--muted);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase}

/* Hero */
.hero{padding:14px 0 26px}
.hero h1,.login-card h1{font-size:1.9rem;margin:.2rem 0}
.hero p{max-width:620px}

/* Cards */
.card{
  background:linear-gradient(180deg,var(--card),var(--bg2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;margin:16px 0;box-shadow:0 12px 40px rgba(0,0,0,.25)
}
.card h2{margin:0 0 16px;font-size:1.2rem}

/* Login */
.login-card{max-width:400px;margin:8vh auto 0}
#login-form{display:flex;flex-direction:column;gap:12px;margin-top:12px}

/* Inputs & buttons */
input,select,button,.primary{font:inherit}
input[type=password],select{
  width:100%;padding:12px 14px;border-radius:10px;
  border:1px solid var(--line);background:#0f1526;color:var(--txt)
}
input:focus,select:focus{outline:2px solid var(--brand);border-color:var(--brand)}
button,.primary{cursor:pointer;border:none;border-radius:10px;padding:12px 20px;font-weight:600}
.primary{background:var(--brand);color:#fff;display:inline-block;text-decoration:none;text-align:center}
.primary:hover{background:var(--brand2)}
.ghost{background:transparent;border:1px solid var(--line);color:var(--txt)}
.ghost:hover{border-color:var(--brand)}
.link{background:none;border:none;color:var(--brand);padding:0;font-weight:600;cursor:pointer}
.error{color:var(--err);margin:.4rem 0 0}

/* Dropzone */
.dropzone{
  border:2px dashed var(--line);border-radius:12px;padding:44px 20px;text-align:center;
  transition:.15s;cursor:pointer;background:rgba(91,140,255,.03)
}
.dropzone.drag{border-color:var(--brand);background:rgba(91,140,255,.10)}
.dz-icon{font-size:34px;display:block;color:var(--brand);margin-bottom:8px}

/* Stats grid */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:18px}
.stat{background:#0f1526;border:1px solid var(--line);border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:2px}
.stat .k{color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
.stat .v{font-weight:700;font-size:1.05rem;word-break:break-word}

/* Target row */
.target-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.target-row label{font-weight:600}
.target-row select{width:auto;min-width:200px}

.actions{display:flex;gap:12px;flex-wrap:wrap}

/* Progress */
.progress{height:14px;background:#0f1526;border:1px solid var(--line);border-radius:20px;overflow:hidden}
.bar{height:100%;width:0;background:linear-gradient(90deg,var(--brand),var(--ok));transition:width .3s}
.progress-label{margin:12px 0 4px;font-weight:600}

/* Done */
.done-head{display:flex;align-items:center;gap:12px}
.check{width:34px;height:34px;border-radius:50%;background:var(--ok);color:#04130c;display:grid;place-items:center;font-weight:800}
.prov-summary{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}
.prov-summary .chip{background:#0f1526;border:1px solid var(--line);border-radius:20px;padding:6px 12px;font-size:.85rem}

/* Help / footer */
.help{margin-top:24px;color:var(--muted)}
.help summary{cursor:pointer;font-weight:600;color:var(--txt)}
.help ol{margin:12px 0 0;padding-left:20px}
.help li{margin:6px 0}
.foot{text-align:center;margin-top:34px}

@media(max-width:560px){.grid{grid-template-columns:1fr}.hero h1{font-size:1.5rem}}