/* ===========================================================================
   DistrictLab User Club 2026 — feuille de style
   Les jetons ci-dessous sont a aligner sur la charte du site principal
   (UI-01) : couleurs, familles typographiques, rayons, espacements.
   =========================================================================== */
:root{
  /* Palette officielle DistrictLab, relevée sur le logo.
     --brand est la menthe de la marque : très lumineuse, donc réservée aux
     accents et aux fonds sombres. Les variantes profondes assurent un
     contraste suffisant pour du texte et des boutons (WCAG AA). */
  --brand:#10E3B4;
  --brand-deep:#0C8468;      /* boutons, texte blanc dessus : 4,65:1 */
  --brand-darker:#0A6E57;    /* liens sur fond blanc : 6,21:1 */
  --brand-light:#E6FBF5;
  --ink:#1C252D;             /* encre du logo, 15,5:1 sur blanc */
  --ink-soft:#4a565f;
  --line:#dfe5e9;
  --bg:#f6f8f9;
  --amber:#b06f00;
  --amber-bg:#fff6e5;
  --red:#b3261e;
  --red-bg:#fdecea;
  --radius:10px;
  --max:1120px;
  --font:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.55}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em}
h1{font-size:2.1rem;letter-spacing:-.01em}
h2{font-size:1.5rem}
h3{font-size:1.12rem}
p{margin:0 0 1em}
a{color:var(--brand-darker)}
img{max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.muted{color:var(--ink-soft)}
.small{font-size:.87rem}
.tiny{font-size:.78rem}
.mono{font-family:Consolas,"Courier New",monospace}
.hidden{display:none !important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------------------------------------------------------------- header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.site-header .wrap{display:flex;align-items:center;gap:18px;height:66px}
.logo{display:flex;align-items:center;text-decoration:none}
.logo img{height:30px;width:auto;display:block}
@media(max-width:480px){.logo img{height:25px}}
.site-header nav{margin-left:auto;display:flex;gap:18px;align-items:center;font-size:.9rem}
.site-header nav a{color:var(--ink-soft);text-decoration:none}
.site-header nav a:hover{color:var(--ink)}
/* Le selecteur du menu est plus specifique que .btn-primary : sans cette
   regle, le bouton d'inscription herite de la couleur des liens et devient
   illisible sur le fond vert. */
.site-header nav a.btn-primary{color:#fff}
.site-header nav a.btn-primary:hover{color:#fff;background:var(--brand-darker)}
.site-header nav a.btn-ghost{color:var(--ink)}
@media(max-width:640px){.site-header nav a.opt{display:none}}

/* ----------------------------------------------------------------- boutons */
.btn{display:inline-block;border:1px solid transparent;border-radius:8px;padding:11px 20px;
  font-size:.95rem;font-weight:600;cursor:pointer;text-decoration:none;font-family:inherit;
  text-align:center;transition:background .15s,border-color .15s}
.btn-primary{background:var(--brand-deep);color:#fff}
.btn-primary:hover{background:var(--brand-darker)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink-soft)}
.btn-danger{background:#fff;border-color:#e6b3b0;color:var(--red)}
.btn-sm{padding:6px 12px;font-size:.82rem;font-weight:500}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-block{display:block;width:100%}

/* -------------------------------------------------------------------- hero */
.hero{background:linear-gradient(155deg,#12191F 0%,#14342C 58%,#0C8468 175%);color:#fff;
  padding:54px 0 58px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr}}
.hero .kicker{color:var(--brand);font-weight:600;letter-spacing:.08em;text-transform:uppercase;font-size:.76rem}
.hero h1{font-size:2.5rem;max-width:17ch;margin-top:.25em}
@media(max-width:640px){.hero h1{font-size:1.9rem}}
.hero .lead{font-size:1.1rem;max-width:58ch;color:#d5e2da}
.hero .amorce{display:inline-block;background:rgba(16,227,180,.12);border:1px solid rgba(16,227,180,.34);
  color:#c7ede0;border-radius:6px;padding:7px 13px;font-size:.85rem;margin:0 0 14px}
.hero .facts{display:flex;gap:28px;flex-wrap:wrap;margin:22px 0 28px;font-size:.95rem}
.hero .facts span{display:block;color:var(--brand);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em}
.hero-visual{margin:0}
.hero-visual img{width:100%;border-radius:12px;display:block;box-shadow:0 10px 34px rgba(0,0,0,.35)}
.hero .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.hero .btn-ghost:hover{border-color:var(--brand);color:var(--brand)}

/* ---------------------------------------------------------------- sections */
section.block{padding:44px 0;border-bottom:1px solid var(--line);background:#fff}
section.block.alt{background:var(--bg)}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px}
table.prog{width:100%;border-collapse:collapse}
table.prog td{padding:11px 8px;border-bottom:1px solid var(--line);vertical-align:top}
table.prog td.h{width:88px;font-weight:600;color:var(--brand-darker);white-space:nowrap}
.venue-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
@media(max-width:860px){.venue-grid{grid-template-columns:1fr}}
.venue-grid img{width:100%;border-radius:10px;border:1px solid var(--line);display:block}
.tarif-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.tarif{border:2px solid var(--line);border-radius:var(--radius);padding:22px;background:#fff}
.tarif.free{border-color:var(--brand-deep);background:var(--brand-light)}
.tarif .price{font-size:2rem;font-weight:700;margin:.2em 0}

/* --------------------------------------------------------------- formulaire */
.steps{display:flex;gap:6px;margin:0 0 26px;flex-wrap:wrap}
.steps div{flex:1;min-width:110px;padding:9px 12px;border-radius:8px;background:#fff;
  border:1px solid var(--line);font-size:.82rem;color:var(--ink-soft)}
.steps div.on{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;font-weight:600}
.steps div.done{background:var(--brand-light);border-color:#b9e0cd;color:var(--brand-darker)}
.field{margin-bottom:15px}
.field label{display:block;font-weight:600;font-size:.88rem;margin-bottom:5px}
.field .hint{font-weight:400;color:var(--ink-soft);font-size:.82rem}
input[type=text],input[type=email],input[type=password],input[type=search],select,textarea{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;
  font-size:.95rem;font-family:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-deep);outline-offset:1px;border-color:var(--brand-deep)}
input[aria-invalid=true]{border-color:var(--red);background:#fff8f8}
.field-error{color:var(--red);font-size:.8rem;margin-top:4px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
@media(max-width:640px){.row2,.row3{grid-template-columns:1fr}}
.radio-line{display:flex;gap:12px;flex-wrap:wrap}
.radio-box{flex:1;min-width:210px;border:1px solid var(--line);border-radius:8px;padding:12px 14px;
  cursor:pointer;background:#fff;display:flex;gap:10px;align-items:flex-start}
.radio-box.sel{border-color:var(--brand-deep);background:var(--brand-light)}
.chk{display:flex;gap:9px;align-items:flex-start;font-size:.92rem;cursor:pointer}
.chk input{margin-top:4px;flex:none}
.participant{border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:12px;background:#fff}
.participant .phead{display:flex;align-items:center;margin-bottom:10px}
.participant .phead h3{margin:0;font-size:.95rem}
.recap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.recap dl{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;margin:0 0 16px}
.recap dt{color:var(--ink-soft);font-size:.88rem}
.recap dd{margin:0;font-weight:600;font-size:.92rem}
.totals{border-top:2px solid var(--ink);margin-top:14px;padding-top:12px}
.totals div{display:flex;justify-content:space-between;padding:3px 0}
.totals div.big{font-size:1.25rem;font-weight:700}
.actions{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}

/* ------------------------------------------------------------------ alertes */
.notice{padding:11px 14px;border-radius:4px;font-size:.89rem;margin:14px 0;border-left:3px solid}
.notice.ok{background:var(--brand-light);border-color:var(--brand-deep);color:#0a5c3b}
.notice.warn{background:var(--amber-bg);border-color:var(--amber);color:#5c3c00}
.notice.err{background:var(--red-bg);border-color:var(--red);color:#7a1f19}
.notice ul{margin:6px 0 0 18px;padding:0}

/* -------------------------------------------------------------------- legal */
.legal h2{margin-top:2em;font-size:1.15rem;border-bottom:1px solid var(--line);padding-bottom:.3em}
.legal{max-width:760px}
.legal .todo{background:var(--amber-bg);color:#5c3c00;padding:2px 6px;border-radius:3px;font-weight:600}

/* ------------------------------------------------------------------- footer */
.site-footer{background:var(--ink);color:#93a1ab;padding:26px 0;font-size:.85rem;margin-top:0}
.site-footer a{color:#93a1ab}
.site-footer .links{display:flex;gap:16px;flex-wrap:wrap;margin-top:6px}

/* -------------------------------------------------------------------- admin */
.admin-shell{max-width:1240px;margin:0 auto;padding:20px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:20px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.kpi b{display:block;font-size:1.6rem;line-height:1.1}
.kpi span{font-size:.75rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.04em}
table.data{width:100%;border-collapse:collapse;background:#fff;font-size:.86rem}
table.data th{text-align:left;background:#eef2f4;padding:9px 10px;border-bottom:1px solid var(--line);
  font-size:.75rem;text-transform:uppercase;letter-spacing:.03em;color:var(--ink-soft)}
table.data td{padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.pill{display:inline-block;padding:2px 9px;border-radius:20px;font-size:.74rem;font-weight:600;white-space:nowrap}
.pill.g{background:var(--brand-light);color:var(--brand-darker)}
.pill.a{background:var(--amber-bg);color:var(--amber)}
.pill.r{background:var(--red-bg);color:var(--red)}
.pill.n{background:#eef2f4;color:var(--ink-soft)}
.toolbar{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap;align-items:center}
.toolbar input,.toolbar select{width:auto;min-width:180px}
.tabs{display:flex;gap:6px;margin-bottom:18px;flex-wrap:wrap}
.tabs button{background:#fff;border:1px solid var(--line);padding:8px 14px;border-radius:8px;
  cursor:pointer;font-size:.88rem;font-family:inherit}
.tabs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.drawer{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-top:16px}
.login-card{max-width:380px;margin:12vh auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:28px}

/* ------------------------------------------------- pied de page et galerie */
.site-footer .foot-logo{height:42px;width:auto;display:block;margin-bottom:12px;opacity:.95}
.venue-gallery{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
@media(max-width:700px){.venue-gallery{grid-template-columns:1fr}}
.venue-gallery img{width:100%;border-radius:10px;display:block}
.hero-visual img{border-radius:12px}