:root{
  --bg:#0a0c10; --bg-2:#0f1218;
  --card:#0f1420cc;            /* glass */
  --stroke:#1b2231;
  --text:#e8eef8; --muted:#9fb0c8;
  --accent:#7aa8ff; --accent-2:#50e3c2;
  --error:#ff6b6b; --ok:#9ef5c5;
  --radius:14px;
  --shadow:0 10px 40px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.02);
}

/* Base */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 800px at 20% -10%, #152035 0%, transparent 60%),
    radial-gradient(800px 600px at 100% 120%, #13222d 0%, transparent 60%),
    var(--bg);
}

/* Décor */
.bg{position:fixed;inset:0;pointer-events:none;z-index:-1}
.grid{
  position:absolute;inset:0;opacity:.08;
  background-image:
    linear-gradient(transparent 19px, rgba(255,255,255,.06) 20px),
    linear-gradient(90deg, transparent 19px, rgba(255,255,255,.06) 20px);
  background-size:40px 40px;filter:blur(.4px)
}
.orb{position:absolute;width:560px;height:560px;border-radius:50%;filter:blur(60px);opacity:.25}
.orb-a{left:-160px;top:-120px;background:radial-gradient(circle at 40% 40%, #3f7cff, transparent 60%)}
.orb-b{right:-160px;bottom:-160px;background:radial-gradient(circle at 60% 60%, #49e6c4, transparent 60%)}

/* Layout & brand */
.shell{max-width:980px;margin:48px auto;padding:0 20px}
.brand{display:flex;gap:14px;align-items:center;margin-bottom:14px}
.logo{
  width:44px;height:44px;display:grid;place-items:center;font-weight:700;letter-spacing:.5px;
  border-radius:12px;border:1px solid var(--stroke);color:var(--text);
  background:linear-gradient(180deg,#141a25,#0e141d);box-shadow:var(--shadow)
}
.brand-meta h1{margin:0 0 6px;font-size:clamp(24px,5vw,28px)}
.brand-meta p{margin:0;color:var(--muted)}

/* Cards */
.panel{
  background:var(--card);border:1px solid var(--stroke);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:16px;margin-top:14px;backdrop-filter:blur(10px)
}
/* séparation visuelle entre sections */
.panel + .panel{margin-top:24px}

/* Form */
.form{display:grid;gap:12px}
.field label{display:block;font-size:.88rem;color:var(--muted);margin-bottom:6px}
.input-row{display:grid;grid-template-columns:1fr auto;gap:10px}
input[type="text"]{
  height:42px;flex:1;background:#0b111a;color:var(--text);
  border:1px solid var(--stroke);border-radius:10px;padding:10px 12px;
  outline:none;transition:border .2s, box-shadow .2s;box-shadow:inset 0 0 0 1px rgba(255,255,255,.01)
}
input[type="text"]::placeholder{color:#7b8ba3}
input[type="text"]:focus{border-color:#2a3a56;box-shadow:0 0 0 3px rgba(122,168,255,.18)}

.btn{
  position:relative;appearance:none;border:none;cursor:pointer;height:42px;
  background:linear-gradient(160deg,#3d6cff,#1ecfb3);color:#0a0c10;font-weight:700;letter-spacing:.2px;
  padding:0 14px;min-width:96px;border-radius:10px;font-size:14px;
  transition:transform .06s ease,opacity .2s ease,box-shadow .2s;box-shadow:0 6px 20px rgba(61,108,255,.25)
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn[disabled]{opacity:.6;cursor:not-allowed}
.btn .btn-glow{
  content:"";position:absolute;inset:-2px;border-radius:12px;
  background:
    radial-gradient(120px 60px at 30% -10%, rgba(255,255,255,.6), transparent 70%),
    radial-gradient(60px 50px at 80% 120%, rgba(255,255,255,.35), transparent 70%);
  opacity:.2;pointer-events:none;filter:blur(6px)
}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--stroke);box-shadow:none}

/* Résultat + score live */
.result{
  margin-top:8px;padding:10px 12px;border-radius:10px;background:#0b111a;border:1px solid var(--stroke);min-height:24px
}
.result.ok{border-color:rgba(80,227,194,.5)}
.result.error{border-color:rgba(255,107,107,.5);color:#ffd5d5}
.score-row{display:flex;align-items:center;gap:8px;margin-top:10px;color:var(--muted)}
.copy-ok{margin-left:10px;color:var(--ok);transition:all .25s ease;opacity:0;transform:translateY(4px)}
.share{margin-top:10px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}

/* Tableaux */
.panel-title{margin:0 0 8px;font-size:1rem;color:var(--muted)}
.table-wrap{overflow:auto;border-radius:10px;border:1px solid var(--stroke);margin-bottom:8px}
.table{width:100%;border-collapse:collapse;min-width:560px;background:#0b111a}
.table th,.table td{padding:10px 12px;text-align:left;border-bottom:1px solid #161e2b;font-size:14px}
.table thead th{font-weight:600;color:#a9bad3;background:#0f1622;position:sticky;top:0;z-index:1}
.table tr:hover td{background:#0f1520}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace}

/* Badge score (fallback) – le JS posera une couleur HSL très visible */
.badge{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  color:#f5f9ff;
  font-weight:800;
  letter-spacing:.2px;
  background: linear-gradient(160deg, #3d6cff, #1ecfb3); /* sera surchargé en inline */
  border:1px solid rgba(255,255,255,.12);
  box-shadow: 0 0 0 1px rgba(0,0,0,.18), inset 0 0 8px rgba(255,255,255,.08);
}
.badge.highlight{
  background:linear-gradient(160deg, rgba(122,168,255,.35), rgba(30,207,179,.35));
}

/* Footer centré */
.footer{width:100%;margin:28px auto 48px;padding:0 16px;text-align:center;display:flex;justify-content:center;align-items:center}
.footer-inner{display:inline-flex;gap:10px;align-items:center;flex-wrap:wrap;color:#93a3be;font-size:12.5px}
.footer .dot{opacity:.45}
.footer a{color:inherit;text-decoration:none;border-bottom:1px dashed rgba(147,163,190,.45);transition:color .15s,border-color .15s}
.footer a:hover{color:var(--text);border-bottom-color:currentColor}

/* Bouton loading */
.btn.loading{pointer-events:none}
.btn.loading::after{
  content:"";position:absolute;right:12px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:spin .9s linear infinite
}
@keyframes spin{to{transform:translateY(-50%) rotate(360deg)}}

/* Tabs */
.tabs{display:flex;gap:8px;margin:14px 0 8px}
.tab-btn{
  padding:8px 12px;border:1px solid var(--stroke);background:#0b111a;color:var(--text);border-radius:10px;cursor:pointer;font-weight:600;font-size:14px
}
.tab-btn[aria-selected="true"]{border-color:#2a3a56;box-shadow:0 0 0 3px rgba(122,168,255,.18)}
.tab-panel{display:none}
.tab-panel.active{display:block}

/* Responsive */
@media (max-width:720px){
  .input-row{grid-template-columns:1fr;gap:8px}
  .btn{width:100%;min-width:0}
}