:root {
  --bg1: #0f172a;            /* deep navy */
  --bg2: #1e1b4b;            /* indigo    */
  --accent: #38bdf8;         /* sky       */
  --accent2: #818cf8;        /* indigo    */
  --grad: linear-gradient(135deg, #6366f1 0%, #38bdf8 100%);
  --card: rgba(255, 255, 255, 0.06);
  --card-solid: #1e293b;
  --border: rgba(255, 255, 255, 0.12);
  --text: #f1f5f9;
  --muted: #94a3b8;
  --ok: #22c55e;
  --warn: #f59e0b;
  --bad: #ef4444;
  --r: 16px;
  --r-sm: 10px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% -10%, #312e81 0%, transparent 60%),
              radial-gradient(1000px 500px at 110% 10%, #0e7490 0%, transparent 55%),
              linear-gradient(160deg, var(--bg1), var(--bg2));
  background-attachment: fixed;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 28px; max-width: 1080px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; letter-spacing: -0.5px; }
.brand .dot { width: 34px; height: 34px; border-radius: 9px; background: var(--grad);
  display: grid; place-items: center; font-size: 18px; box-shadow: 0 6px 20px -6px var(--accent2); }
.brand small { color: var(--accent); font-weight: 700; }

.userchip { display: flex; align-items: center; gap: 10px; cursor: pointer;
  background: var(--card); border: 1px solid var(--border); padding: 6px 12px 6px 6px;
  border-radius: 999px; font-size: 14px; }
.userchip img { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 8px 14px; cursor: pointer; font-size: 14px; }
.btn-ghost:hover { color: var(--text); border-color: var(--accent); }

.hero { max-width: 720px; margin: 40px auto 10px; text-align: center; padding: 0 20px; }
.hero h1 { font-size: 46px; line-height: 1.05; margin: 0 0 14px; letter-spacing: -1.5px; }
.hero h1 .g { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: var(--muted); font-size: 18px; margin: 0; }

.panel {
  max-width: 720px; margin: 30px auto; padding: 28px;
  background: rgba(15, 23, 42, 0.6); border: 1px solid var(--border);
  border-radius: 24px; backdrop-filter: blur(14px);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.6);
}
.row2 { display: grid; grid-template-columns: 1fr auto 1fr; gap: 16px; align-items: end; }
.arrow { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 6px;
  border-radius: 50%; background: var(--card); border: 1px solid var(--border); color: var(--accent); font-size: 20px; }
@media (max-width: 620px) {
  .row2 { grid-template-columns: 1fr; }
  .arrow { transform: rotate(90deg); margin: -4px auto; }
  .hero h1 { font-size: 34px; }
}

label.fld { display: block; font-size: 13px; color: var(--muted); margin: 0 0 8px 2px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.6px; }

/* custom searchable select */
.select { position: relative; }
.select-trigger { display: flex; align-items: center; gap: 12px; width: 100%;
  background: var(--card-solid); border: 1px solid var(--border); border-radius: var(--r-sm);
  padding: 14px 16px; cursor: pointer; font-size: 16px; color: var(--text); transition: border-color .2s; }
.select-trigger:hover, .select.open .select-trigger { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(56,189,248,.12); }
.select-trigger img { width: 28px; height: 20px; border-radius: 3px; object-fit: cover; box-shadow: 0 1px 3px rgba(0,0,0,.4); }
.select-trigger .ph { color: var(--muted); }
.select-trigger .caret { margin-left: auto; color: var(--muted); }
.select-menu { position: absolute; z-index: 30; top: calc(100% + 8px); left: 0; right: 0;
  background: var(--card-solid); border: 1px solid var(--border); border-radius: var(--r-sm);
  box-shadow: 0 20px 40px -12px rgba(0,0,0,.7); overflow: hidden; display: none; }
.select.open .select-menu { display: block; }
.select-menu input { width: 100%; border: none; border-bottom: 1px solid var(--border);
  background: #0f172a; color: var(--text); padding: 12px 16px; font-size: 15px; outline: none; }
.select-list { max-height: 260px; overflow-y: auto; }
.opt { display: flex; align-items: center; gap: 12px; padding: 11px 16px; cursor: pointer; font-size: 15px; }
.opt:hover, .opt.active { background: rgba(56,189,248,.12); }
.opt img { width: 26px; height: 18px; border-radius: 3px; object-fit: cover; box-shadow: 0 1px 2px rgba(0,0,0,.4); }

.btn-primary { width: 100%; margin-top: 22px; border: none; border-radius: var(--r-sm);
  background: var(--grad); color: #07111f; font-weight: 800; font-size: 17px; padding: 16px;
  cursor: pointer; box-shadow: 0 14px 30px -10px var(--accent); transition: transform .15s, filter .2s; }
.btn-primary:hover { filter: brightness(1.07); transform: translateY(-1px); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; filter: grayscale(.4); transform: none; }

/* result card */
.result { margin-top: 22px; border-radius: var(--r); overflow: hidden; border: 1px solid var(--border); animation: pop .35s ease; }
@keyframes pop { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.result-head { padding: 22px 24px; display: flex; align-items: center; gap: 16px; }
.result-head.ok { background: linear-gradient(135deg, rgba(34,197,94,.22), rgba(34,197,94,.06)); }
.result-head.warn { background: linear-gradient(135deg, rgba(245,158,11,.22), rgba(245,158,11,.06)); }
.result-head.bad { background: linear-gradient(135deg, rgba(239,68,68,.22), rgba(239,68,68,.06)); }
.result-icon { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; font-size: 26px; flex: none; }
.result-head.ok .result-icon { background: rgba(34,197,94,.2); }
.result-head.warn .result-icon { background: rgba(245,158,11,.2); }
.result-head.bad .result-icon { background: rgba(239,68,68,.2); }
.result-head h3 { margin: 0 0 3px; font-size: 20px; }
.result-head .sub { color: var(--muted); font-size: 14px; }
.flags-mini { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; color: var(--muted); font-size: 14px; }
.flags-mini img { width: 26px; height: 18px; border-radius: 3px; object-fit: cover; }
.result-body { background: var(--card-solid); padding: 20px 24px; }
.kv { display: flex; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--border); font-size: 15px; }
.kv:last-child { border-bottom: none; }
.kv .k { color: var(--muted); width: 130px; flex: none; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 13px; font-weight: 700; }
.badge.ok { background: rgba(34,197,94,.18); color: #4ade80; }
.badge.warn { background: rgba(245,158,11,.18); color: #fbbf24; }
.badge.bad { background: rgba(239,68,68,.18); color: #f87171; }
.source { margin-top: 14px; font-size: 13px; color: var(--muted); }
.source a { color: var(--accent); }

/* modal */
.modal-bg { position: fixed; inset: 0; background: rgba(2,6,23,.7); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center; z-index: 100; padding: 20px; }
.modal-bg.open { display: flex; }
.modal { background: var(--card-solid); border: 1px solid var(--border); border-radius: 20px;
  padding: 32px; max-width: 420px; width: 100%; text-align: center; box-shadow: 0 40px 80px -20px rgba(0,0,0,.8); }
.modal h2 { margin: 0 0 6px; font-size: 24px; }
.modal p { color: var(--muted); margin: 0 0 24px; font-size: 15px; }
.oauth-btn { display: flex; align-items: center; justify-content: center; gap: 12px; width: 100%;
  padding: 14px; margin-bottom: 12px; border-radius: var(--r-sm); border: 1px solid var(--border);
  background: #fff; color: #1e293b; font-weight: 700; font-size: 15px; cursor: pointer; text-decoration: none; transition: transform .12s; }
.oauth-btn:hover { transform: translateY(-1px); }
.oauth-btn.google { background: #fff; color: #3c4043; }
.oauth-btn.facebook { background: #1877f2; color: #fff; border-color: #1877f2; }
.oauth-btn.linkedin { background: #0a66c2; color: #fff; border-color: #0a66c2; }
.oauth-btn svg { width: 20px; height: 20px; }
.modal .fineprint { font-size: 12px; color: var(--muted); margin-top: 10px; }
.modal .close { position: relative; float: right; margin: -18px -12px 0 0; background: none; border: none; color: var(--muted); font-size: 22px; cursor: pointer; }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--bad); color: #fff; padding: 12px 20px; border-radius: var(--r-sm);
  font-size: 14px; box-shadow: 0 12px 30px -8px rgba(0,0,0,.6); display: none; z-index: 200; }
.toast.show { display: block; animation: pop .25s ease; }

footer { text-align: center; color: var(--muted); font-size: 13px; padding: 30px 20px 50px; }
footer a { color: var(--accent); }

.spinner { width: 18px; height: 18px; border: 3px solid rgba(7,17,31,.35); border-top-color: #07111f;
  border-radius: 50%; display: inline-block; vertical-align: -3px; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }