/* Les couleurs de marque viennent de /theme.css (variable BRAND_COLOR). */
:root{--bg:#f4f7fa;--surface:#fff;--fg:#14202b;--muted:#5f6f7e;--line:#e1e8ee;--ok:#1b7f55;--ko:#b3261e;--shadow:0 1px 2px rgba(20,32,43,.06),0 8px 24px rgba(20,32,43,.06);--r:14px;
--brand:#1f5f8b;--brand-ink:#fff;--brand-strong:#17476a;--brand-soft:#e9f1f7;--brand-line:#bcd3e4}
@media(prefers-color-scheme:dark){:root{--bg:#0e141a;--surface:#161e26;--fg:#e8eef3;--muted:#9aa8b5;--line:#26323d;--ok:#4fc08d;--ko:#f08a82;--shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35)}}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased}
a{color:var(--brand-strong)}@media(prefers-color-scheme:dark){a{color:var(--brand)}}
h1{font-size:clamp(1.6rem,3.2vw,2.3rem);line-height:1.2;margin:.2em 0 .5em;letter-spacing:-.01em}h2{font-size:1.15rem;margin:0 0 .6em}
/* En-tête */
.top{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;box-shadow:inset 0 3px 0 var(--brand)}
.top-in{max-width:1040px;margin:0 auto;padding:12px 20px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--fg)}
.logo{height:40px;width:auto;display:block}@media(prefers-color-scheme:dark){.logo{background:#fff;border-radius:8px;padding:3px 8px}}
.mark{width:40px;height:40px;border-radius:11px;background:var(--brand);color:var(--brand-ink);display:grid;place-items:center;font-weight:800;font-size:1.2rem}
.brand-text{font-weight:600;font-size:1rem;color:var(--muted);padding-left:14px;border-left:2px solid var(--line);line-height:1.1}
nav{display:flex;gap:12px;align-items:center}.who{color:var(--muted);font-size:.88rem}.who em{font-style:normal;background:var(--brand-soft);color:var(--brand-strong);border-radius:99px;padding:1px 8px;font-size:.72rem;margin-left:4px}
main{flex:1;width:100%;max-width:1040px;margin:0 auto;padding:30px 20px 56px}main.narrow{max-width:760px}
footer{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:.8rem;padding:20px;border-top:1px solid var(--line);background:var(--surface)}
/* Boutons et champs */
button,.btn{font:inherit;font-weight:600;cursor:pointer;border-radius:10px;padding:10px 20px;border:1px solid var(--line);background:var(--surface);color:var(--fg);text-decoration:none;display:inline-block;transition:transform .08s,box-shadow .15s,background .15s}
button:hover,.btn:hover{box-shadow:0 2px 8px rgba(20,32,43,.12)}button:active,.btn:active{transform:translateY(1px)}
:focus-visible{outline:3px solid var(--brand-line);outline-offset:2px}
.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}.primary:hover{background:var(--brand-strong);border-color:var(--brand-strong);color:#fff}
.secondary{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand-strong)}
.danger{background:transparent;border-color:var(--ko);color:var(--ko)}.danger:hover{background:var(--ko);color:#fff}
.ghost{background:transparent;border-color:transparent;color:var(--muted);padding:6px 10px}.link{border:none;background:none;padding:0;color:var(--brand-strong);text-decoration:underline;font-weight:500;box-shadow:none}
.block{width:100%;margin-top:6px}.inline{display:inline}
label{display:block;margin:12px 0;font-weight:600;font-size:.9rem}
input,select,textarea{display:block;width:100%;margin-top:5px;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;font-weight:400;background:var(--bg);color:var(--fg)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-line)}
label.check{display:flex;gap:10px;align-items:flex-start;font-weight:400}label.check input{width:20px;height:20px;margin:3px 0 0;flex:none;accent-color:var(--brand)}
.hint,small,.muted{color:var(--muted)}.hint{font-size:.88rem}
/* Cartes */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;margin:16px 0;box-shadow:var(--shadow)}
.card.wide{max-width:none}.card.accent{border-top:4px solid var(--brand)}.card.message{max-width:560px;margin:40px auto;text-align:center}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}.two .card{margin:0}
.eyebrow{display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--brand-strong);background:var(--brand-soft);padding:4px 11px;border-radius:99px}
/* Connexion */
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;padding:24px 0}
.hero-text p{font-size:1.06rem;color:var(--muted);max-width:52ch}
.ticks{list-style:none;padding:0;margin:20px 0 0}.ticks li{padding-left:30px;position:relative;margin:9px 0}
.ticks li::before{content:"✓";position:absolute;left:0;top:1px;width:21px;height:21px;border-radius:50%;background:var(--brand);color:var(--brand-ink);font-size:.78rem;display:grid;place-items:center}
.login{margin:0;padding:28px}
@media(max-width:820px){.hero{grid-template-columns:1fr;gap:24px}}
/* Tableau de bord */
.bar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:8px}
table{width:100%;border-collapse:separate;border-spacing:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);margin:14px 0}
th,td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top}tr:last-child td{border-bottom:none}
th{font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:var(--bg)}tbody tr:hover td{background:var(--brand-soft)}
.empty{text-align:center;color:var(--muted);padding:50px 20px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--r)}
.badge{font-size:.76rem;font-weight:600;padding:3px 11px;border-radius:99px;vertical-align:middle;display:inline-block}
.st-ok{background:#dcf3e8;color:#14633f}.st-ko{background:#fbe1de;color:#9b1f18}.st-pending{background:var(--brand-soft);color:var(--brand-strong)}.st-muted{background:var(--line);color:var(--muted)}
@media(prefers-color-scheme:dark){.st-ok{background:#16382a;color:#7fdcb0}.st-ko{background:#3d1d1a;color:#f5a39c}}
.flash{padding:12px 16px;border-radius:12px;border:1px solid;font-weight:500;background:var(--surface)}.flash.ok{color:var(--ok);border-color:var(--ok)}.flash.ko{color:var(--ko);border-color:var(--ko)}
/* Chaîne de signature */
.chain{list-style:none;margin:16px 0;padding:0;position:relative}
.step{display:flex;gap:14px;padding:0 0 18px;position:relative}
.step:not(:last-child)::before{content:"";position:absolute;left:17px;top:36px;bottom:0;width:2px;background:var(--line)}
.dot{flex:none;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:700;background:var(--bg);border:2px solid var(--line);color:var(--muted);z-index:1}
.s-signed .dot{background:var(--ok);border-color:var(--ok);color:#fff}.s-signed:not(:last-child)::before{background:var(--ok)}
.s-invited .dot{border-color:var(--brand);color:var(--brand-strong);background:var(--brand-soft);box-shadow:0 0 0 4px var(--brand-line)}
.s-refused .dot{background:var(--ko);border-color:var(--ko);color:#fff}
.tag{font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:1px 7px;color:var(--muted)}.step-st{font-size:.88rem;font-weight:600}
.log{padding-left:18px}details summary{cursor:pointer;font-weight:600;margin:6px 0}code{word-break:break-all;font-size:.78rem;background:var(--bg);padding:1px 5px;border-radius:5px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
/* Formulaire de dépôt */
.signer{border:1px solid var(--line);border-radius:12px;margin:12px 0;padding:6px 16px 10px;display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:0 14px;background:var(--bg)}
.signer legend{font-weight:700;padding:0 8px;color:var(--brand-strong)}.signer .remove-signer{grid-column:1/-1;justify-self:start}
/* Page de signature */
.sign-head p{color:var(--muted)}.doc{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px;box-shadow:var(--shadow);margin:18px 0 22px}
.pdf{width:100%;height:72vh;border:0;border-radius:10px;background:#fff;display:block}.doc-link{margin:10px 4px 2px;font-size:.9rem}
@media(max-width:560px){.top-in{padding:10px 14px}.who{display:none}main{padding:22px 14px 40px}.pdf{height:60vh}}
/* Clés d'accès, vérification publique */
[hidden]{display:none!important}
.navlink{color:var(--muted);text-decoration:none;font-size:.9rem;font-weight:500}.navlink:hover{color:var(--brand-strong)}
.or{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.85rem;margin:14px 0}.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}
.small-top{margin:16px 0 0}
.banner{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;background:var(--brand-soft);border:1px solid var(--brand-line);border-radius:var(--r);padding:14px 18px;margin-bottom:18px}
.keys{list-style:none;padding:0;margin:12px 0 18px}.key{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.empty.small{padding:18px;margin:12px 0}
.result{max-width:none;text-align:left}.result.ok{border-top:5px solid var(--ok)}.result.ko{border-top:5px solid var(--ko)}
.seal{width:52px;height:52px;border-radius:50%;background:var(--ok);color:#fff;display:grid;place-items:center;font-size:1.6rem;font-weight:700;margin-bottom:6px}
.facts{display:grid;grid-template-columns:max-content 1fr;gap:6px 18px;margin:16px 0}.facts dt{color:var(--muted)}.facts dd{margin:0;font-weight:600}
.hashline{margin-top:18px;color:var(--muted);font-size:.85rem}
.verify-form input[type=file]{padding:14px;border-style:dashed}
@media(max-width:560px){.navlink{display:none}.facts{grid-template-columns:1fr}.facts dd{margin-bottom:6px}}
/* Placement des signatures */
#placer{margin-top:22px;border-top:1px solid var(--line);padding-top:6px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.chip{border:2px solid var(--c,#999);background:var(--surface);color:var(--fg);border-radius:99px;padding:6px 14px;font-size:.88rem}
.chip.armed{background:var(--c);color:#fff}.chip.done{border-style:solid;opacity:.95}
.pages{display:flex;flex-direction:column;gap:14px;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:14px;max-height:75vh;overflow:auto}
.pg{position:relative;width:100%;background:#fff;box-shadow:var(--shadow);border-radius:4px;overflow:hidden;flex:none}
.pg canvas{display:block;width:100%;height:100%}.pgnum{position:absolute;right:8px;top:6px;background:rgba(20,32,43,.7);color:#fff;font-size:.7rem;padding:1px 8px;border-radius:99px}
body.placing .pg{cursor:crosshair;outline:2px dashed var(--brand-line)}
.sigbox{position:absolute;border:2px solid var(--c);background:color-mix(in srgb,var(--c) 14%,#fff);border-radius:4px;cursor:grab;touch-action:none;display:flex;align-items:center;padding:0 4px;overflow:hidden;box-shadow:0 2px 6px rgba(0,0,0,.2)}
.sigbox span{font-size:clamp(7px,1.3vw,11px);font-weight:600;color:#14202b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}
.sigbox .x{padding:0 5px;border:none;background:none;color:#14202b;font-size:14px;line-height:1;box-shadow:none}

/* Espace du signataire */
.center{text-align:center}
.flows{margin:26px 0}.flows h2{display:flex;align-items:center;gap:10px;margin-bottom:2px}.count{font-size:.75rem;background:var(--brand-soft);color:var(--brand-strong);border-radius:99px;padding:1px 10px}
.flowlist{list-style:none;padding:0;margin:12px 0;display:grid;gap:12px}
.flow{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--line);border-radius:var(--r);padding:14px 18px;box-shadow:var(--shadow)}
.flow-todo{border-left-color:var(--brand)}.flow-done{border-left-color:var(--ok)}.flow-refused{border-left-color:var(--ko)}
.flow-st{font-weight:600;font-size:.9rem}.flow-act{display:flex;gap:8px;flex-wrap:wrap}