/* Login — toujours sombre, indépendant du thème clair/sombre du webmail.
   Tout dérive des couleurs de marque (--brand-*), comme le reste du portail. */
.login{
  --l-bg:color-mix(in oklab,var(--brand-ink) 62%,black);
  --l-text:color-mix(in oklab,var(--brand-paper) 92%,white);
  --l-text-2:color-mix(in oklab,var(--brand-paper) 66%,var(--brand-ink));
  --l-text-3:color-mix(in oklab,var(--brand-paper) 44%,var(--brand-ink));
  --l-accent:var(--brand-accent);
  --l-on-accent:var(--brand-on-accent,#111522);
  --l-stripe:var(--brand-secondary);
  --l-hard:#05070c;
  --l-line:rgb(255 255 255/.16);
  --l-green:#34d399;
  --l-blue:#628cff;
  --l-link:#8fb4ff;
  --l-card-1:color-mix(in oklab,var(--brand-ink) 94%,white);
  --l-card-2:color-mix(in oklab,var(--brand-ink) 56%,black);
  --l-paper:color-mix(in oklab,var(--brand-paper) 84%,#d8c48f);
  position:relative;isolation:isolate;display:flex;flex-direction:column;height:100dvh;overflow:auto;overflow-x:hidden;
  background:var(--l-bg);color:var(--l-text);font-family:var(--font-ui);
}
.login::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:20;opacity:.08;
  background-image:repeating-linear-gradient(0deg,transparent 0,transparent 3px,rgb(255 255 255/.03) 4px)}
.login a{color:inherit}

.topbar{position:relative;z-index:10;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 16px;padding:38px 54px}
.brand{display:flex;align-items:center;gap:13px}
.brand-name{font-family:var(--font-display);font-size:27px;font-weight:700;letter-spacing:-1.5px}
.brand-badge{border:1px solid var(--l-text-2);border-radius:999px;padding:5px 10px 4px;font-size:9px;font-weight:700;letter-spacing:.17em;color:var(--l-text-2)}

.login-main{position:relative;z-index:5;flex:1;width:100%;display:grid;grid-template-columns:minmax(300px,.82fr) minmax(420px,.9fr);
  align-items:center;max-width:1420px;margin:0 auto;padding:10px 54px 40px}
.intro{position:relative;z-index:6;padding-bottom:40px}
.intro h1{margin:0;max-width:500px;font-family:var(--font-display);font-weight:700;font-size:clamp(55px,5.2vw,82px);
  line-height:.91;letter-spacing:-4px;color:var(--l-text);text-wrap:balance}
.intro h1.long{font-size:clamp(38px,3.7vw,58px);letter-spacing:-2px;line-height:1}
.intro h1 em{font-style:normal;position:relative}
.intro h1 em::after{content:"";position:absolute;left:2px;bottom:-11px;width:72px;height:3px;background:var(--l-accent);transform:rotate(-2deg)}
.intro-copy{margin:34px 0 0;max-width:330px;color:var(--l-text-2);font-size:15px;line-height:1.55}

/* ── Décor : réseau + enveloppes ─────────────────────────────────────────── */
.network{position:fixed;inset:0;pointer-events:none;z-index:1;overflow:hidden}
.network svg:not(.lock){position:absolute;width:125%;height:100%;left:-8%;top:0;overflow:visible}
.route{fill:none;stroke:var(--l-accent);stroke-width:1.4;opacity:.7;stroke-dasharray:5 8;animation:routeMove 18s linear infinite}
.route.blue{stroke:var(--l-blue);opacity:.5;animation-duration:22s}
.route.dim{stroke:var(--l-text-2);opacity:.18;stroke-width:1;animation-duration:27s}
@keyframes routeMove{to{stroke-dashoffset:-300}}
.route-point{fill:var(--l-accent);opacity:.9;animation:pulse 3s ease-in-out infinite}
.route-point.blue{fill:var(--l-blue)}
@keyframes pulse{0%,100%{opacity:.25;r:2}50%{opacity:1;r:4}}
.travel-mail rect{fill:color-mix(in oklab,var(--l-bg) 88%,transparent)}
.travel-mail path{fill:none}
.travel-mail.c-accent rect,.travel-mail.c-accent path{stroke:var(--l-accent)}
.travel-mail.c-blue rect,.travel-mail.c-blue path{stroke:var(--l-blue)}
.travel-mail.c-dim rect,.travel-mail.c-dim path{stroke:var(--l-text-2)}

.mail{position:absolute;width:30px;height:21px;z-index:3;color:var(--l-accent);opacity:.9;filter:drop-shadow(0 0 7px currentColor);animation:mailFloat 7s ease-in-out infinite}
.mail svg{width:100%;height:100%}
.mail.one{left:42%;top:32%;animation-delay:-1s}
.mail.two{right:5%;top:48%;color:var(--l-blue);animation-delay:-4s}
.mail.three{left:7%;bottom:24%;animation-delay:-2.5s}
@keyframes mailFloat{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-8px) rotate(2deg)}}

.letters-stack{position:absolute;left:13%;bottom:6%;width:430px;height:250px;z-index:3;filter:drop-shadow(0 16px 26px rgb(0 0 0/.4))}
.env{position:absolute;width:220px;height:142px;border:2px solid}
.env-flap{left:0;top:98px;transform:rotate(-15deg);z-index:1;background:linear-gradient(160deg,#242a3c,#12141f);border-color:rgb(255 255 255/.2)}
.env-flap-fold{position:absolute;inset:0;clip-path:polygon(0 0,50% 64%,100% 0);background:rgb(255 255 255/.05)}
.env-flap .lock{position:absolute;left:50%;top:70%;width:24px;height:24px;transform:translate(-50%,-50%);color:rgb(255 255 255/.5)}

.env-physical{left:46px;top:40px;transform:rotate(6deg);z-index:2;background:var(--l-paper);color:#18202d;border-color:rgb(0 0 0/.32)}
.p-stamp{position:absolute;left:14px;top:13px;width:48px;height:39px;padding:2px;border:2px dotted rgb(0 0 0/.4);background:#fdf6e3;transform:rotate(-3deg);box-shadow:0 1px 3px rgb(0 0 0/.25)}
.p-stamp img{width:100%;height:100%;object-fit:cover;display:block}
.p-stamp2{position:absolute;left:66px;top:16px;width:36px;height:34px;padding:2px;border:2px dotted rgb(0 0 0/.4);background:#fff;transform:rotate(4deg);box-shadow:0 1px 3px rgb(0 0 0/.25)}
.p-stamp2 svg{width:100%;height:100%;display:block}
.p-return{position:absolute;left:14px;top:68px;font-size:6.5px;line-height:1.35;color:rgb(24 32 45/.42);font-weight:600;letter-spacing:.02em}
.p-address{position:absolute;left:76px;bottom:16px;max-width:145px;font-family:var(--font-display);font-style:italic;font-size:9.5px;letter-spacing:.03em;
  line-height:1.7;color:rgb(24 32 45/.68);transform:rotate(-1.5deg);font-variant-numeric:tabular-nums;white-space:nowrap}

.env-digital{left:200px;top:-22px;transform:rotate(-8deg);z-index:3;background:linear-gradient(155deg,rgb(28 34 52/.95),rgb(10 13 22/.97));
  border-color:color-mix(in oklab,var(--l-green) 55%,transparent);box-shadow:0 0 24px rgb(52 211 153/.24) inset}
.env-digital::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,transparent 0 11px,rgb(255 255 255/.05) 11px 12px)}
.dg-ring{position:absolute;left:50%;top:50%;width:54px;height:54px;transform:translate(-50%,-50%);border:1px solid color-mix(in oklab,var(--l-green) 60%,transparent);
  border-radius:50%;display:grid;place-items:center;color:var(--l-green);font-size:6px;font-weight:800;letter-spacing:.08em}
.dg-ring::before{content:"";position:absolute;inset:-5px;border-radius:50%;border:1px solid var(--l-green);animation:pingGreen 2.6s ease-out infinite}
@keyframes pingGreen{0%{opacity:.55;transform:scale(.86)}100%{opacity:0;transform:scale(1.32)}}
.dg-node{position:absolute;width:4px;height:4px;border-radius:50%;background:var(--l-green);box-shadow:0 0 6px var(--l-green)}
.dg-node.a{left:34px;top:26px}.dg-node.b{left:186px;top:112px}
.bits{position:absolute;inset:0;pointer-events:none}
.bit{position:absolute;width:5px;height:5px;background:var(--l-green);box-shadow:0 0 7px var(--l-green);opacity:0;animation:bitDrift 3.6s ease-in infinite}
.bit:nth-child(1){left:60%;top:22%}
.bit:nth-child(2){left:70%;top:60%;animation-delay:.7s}
.bit:nth-child(3){left:78%;top:32%;animation-delay:1.4s}
.bit:nth-child(4){left:50%;top:70%;animation-delay:2.1s}
@keyframes bitDrift{0%{opacity:0;transform:translate(0,0) scale(.6)}15%{opacity:1}100%{opacity:0;transform:translate(30px,-26px) scale(1.2)}}

/* ── Carte : liseré « par avion », ombre dure, légère rotation ───────────── */
.login-wrap{position:relative;z-index:10;display:flex;justify-content:center;padding-left:40px}
.login-card-frame{position:relative;width:min(455px,100%);animation:cardIn .5s var(--ease) both}
/* élément séparé : un ::before en z-index négatif se peint SUR le fond de son parent */
.login-card-tab{position:absolute;inset:8px -8px -9px 8px;background:var(--l-accent);opacity:.3;transform:rotate(-1.5deg)}
.login-card{position:relative;width:100%;padding:34px 43px 38px;background:linear-gradient(165deg,var(--l-card-1),var(--l-card-2));color:var(--l-text);
  border:2px solid var(--l-text);box-shadow:9px 10px 0 var(--l-text);transform:rotate(-1.3deg)}
.login-card::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;background-image:repeating-linear-gradient(90deg,transparent 0 12px,rgb(255 255 255/.025) 12px 13px)}
.airmail-strip{position:absolute;left:-2px;right:-2px;top:-2px;height:9px;border:2px solid var(--l-text);border-bottom:none;
  background-image:repeating-linear-gradient(-45deg,var(--l-accent) 0 10px,var(--l-card-1) 10px 20px,var(--l-stripe) 20px 30px,var(--l-card-1) 30px 40px)}
.card-brand{position:relative;display:flex;align-items:baseline;gap:12px;margin:14px 0 26px}
.card-brand-name{font-family:var(--font-display);font-size:38px;font-weight:700;letter-spacing:-2px}
.card-brand-name.long{font-size:29px;letter-spacing:-1.4px;white-space:nowrap}
.card-brand-badge{color:var(--l-accent);font-size:9px;font-weight:800;letter-spacing:.18em}
.form-title{position:relative;margin:0 0 26px;font-family:var(--font-display);font-size:27px;font-weight:600;letter-spacing:-.8px}
.form-sub{position:relative;margin:-14px 0 22px;color:var(--l-text-2);font-size:14px}

#lf{position:relative}
.login .field{position:relative;margin-bottom:17px}
.login .field label{display:block;margin-bottom:7px;font-size:12px;font-weight:700;color:var(--l-text)}
.field-control{position:relative}
.login .input{width:100%;height:48px;padding:0 43px 0 14px;border:1.5px solid var(--l-line);border-radius:0;background:rgb(255 255 255/.06);color:var(--l-text);
  transition:border-color .2s,box-shadow .2s}
.login .input::placeholder{color:var(--l-text-2);opacity:.8}
.login .input:hover{border-color:rgb(255 255 255/.32)}
.login .input:focus,.login .input:focus-visible{border-color:var(--l-accent);box-shadow:3px 3px 0 var(--l-accent);outline:none}
.login .input.code{font-variant-numeric:tabular-nums;letter-spacing:.14em;font-weight:600;text-transform:uppercase}
.login .input:-webkit-autofill{-webkit-text-fill-color:var(--l-text);box-shadow:0 0 0 40px var(--l-card-2) inset}
.field-icon{position:absolute;right:14px;top:50%;width:18px;height:18px;transform:translateY(-50%);color:var(--l-text-2);display:grid;place-items:center}
.field-icon svg{width:18px;height:18px}
button.field-icon{cursor:pointer;padding:0}
button.field-icon:hover{color:var(--l-text)}
button.field-icon:focus-visible{outline:2px solid var(--l-accent);outline-offset:3px}

.submit{position:relative;width:100%;height:51px;margin-top:6px;border:2px solid var(--l-hard);border-radius:0;background:var(--l-accent);color:var(--l-on-accent);
  font-weight:800;font-size:15px;text-align:center;cursor:pointer;box-shadow:4px 4px 0 var(--l-hard);transition:transform .15s,box-shadow .15s}
.submit:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--l-hard)}
.submit:active{transform:translate(4px,4px);box-shadow:0 0 0 var(--l-hard)}
.submit:focus-visible{outline:2px solid var(--l-text);outline-offset:3px;border-radius:0}
.submit:disabled{opacity:.7;cursor:progress}
.submit.busy .lbl::after{content:'…'}

.divider{position:relative;display:flex;align-items:center;gap:12px;margin:24px 0 17px;color:var(--l-text-2);font-size:10px}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--l-line)}
.invitation{position:relative;text-align:center}
.linkbtn{color:var(--l-link);font-weight:500;font-size:12px;text-decoration:underline;text-underline-offset:3px;text-align:center}
.linkbtn:hover{color:var(--l-text)}
.security-line{position:relative;display:flex;justify-content:center;align-items:center;gap:8px;margin-top:26px;padding-top:16px;border-top:1px solid var(--l-line);
  color:var(--l-text-2);font-size:9px;font-weight:700;letter-spacing:.12em}
.security-dot{width:6px;height:6px;border-radius:50%;background:var(--l-accent);box-shadow:0 0 0 3px color-mix(in oklab,var(--l-accent) 20%,transparent)}

.form-error{margin:0 0 14px;padding:9px 12px;border-left:4px solid #ff6b5e;background:rgb(179 38 30/.22);color:#ffc4bd;font-size:13.5px;font-weight:500}
.meter{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;margin-top:8px}
.meter i{height:5px;background:rgb(255 255 255/.14);border-radius:2px;transition:background .2s}
.meter[data-s="1"] i:nth-child(-n+1){background:#e0644a}
.meter[data-s="2"] i:nth-child(-n+2){background:#e3a83a}
.meter[data-s="3"] i:nth-child(-n+3){background:#8dbb43}
.meter[data-s="4"] i{background:#34d399}
.meter-label{margin-top:6px;font-size:12px;color:var(--l-text-2)}
.shake{animation:shake .38s}
@keyframes shake{20%{transform:translateX(-7px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(3px)}}
@keyframes cardIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

.footer{position:relative;z-index:10;display:flex;flex-wrap:wrap;gap:8px 25px;padding:0 54px 27px;color:var(--l-text-3);font-size:11px}
.footer a{text-decoration:none;color:var(--l-text-2)}
.footer a:hover{color:var(--l-text);text-decoration:underline;text-underline-offset:3px}
.footer b{color:var(--l-accent);margin-right:5px}
.dev-switch{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--l-text-3)}
.dev-switch a{color:var(--l-text-2);text-decoration:underline;text-underline-offset:3px}

/* Écran d'erreur seul (portail introuvable / connexion impossible) */
.login.solo{align-items:center;justify-content:center;padding:24px}
.login.solo .login-card{width:min(430px,100%);transform:none;padding:0}
.login.solo .login-card-in{padding:28px 32px 26px;position:relative;z-index:1}
.login.solo .login-mark{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:var(--l-text-2)}
.login.solo h1{font-family:var(--font-display);font-size:30px;line-height:1.05;margin:0 0 8px}
.login.solo .sub{margin:0 0 18px;color:var(--l-text-2);font-size:14.5px}

/* écran court : enveloppes plus petites, et le paragraphe cède la place */
@media (min-width:951px) and (max-height:760px){
  .letters-stack{left:5%;bottom:3%;transform:scale(.62);transform-origin:left bottom}
  .intro-copy,.mail.three{display:none}
}

@media (prefers-reduced-motion:reduce){
  .route,.route-point,.mail,.bit,.dg-ring::before,.login-card-frame{animation:none!important}
}
@media (max-width:950px){
  .topbar{padding:28px 30px}
  .login-main{grid-template-columns:1fr;padding:20px 30px 60px}
  .intro{text-align:center;padding-bottom:50px}
  .intro h1{margin:auto}
  .intro-copy{margin-left:auto;margin-right:auto}
  .login-wrap{padding-left:0}
  .letters-stack{left:16%;bottom:6%;transform:scale(.72);opacity:.85}
  .network svg:not(.lock){width:180%;left:-35%}
  .mail.one{display:none}
  .footer{padding:0 30px 24px}
}
@media (max-width:600px){
  .topbar{padding:22px 20px}
  .brand-name{font-size:23px}
  .brand-badge{font-size:8px}
  .login-main{padding:10px 20px 50px}
  .intro{padding-bottom:36px}
  .intro h1{font-size:clamp(46px,14vw,64px);letter-spacing:-3px}
  .intro h1.long{font-size:clamp(34px,10vw,46px);letter-spacing:-1.5px}
  .intro-copy{font-size:14px}
  .login-card{padding:30px 25px 28px;box-shadow:7px 8px 0 var(--l-text)}
  .card-brand-name{font-size:32px}
  .form-title{font-size:23px}
  .letters-stack{display:none}
  .footer{justify-content:center;padding:0 20px 24px}
}
@media (max-width:380px){
  .topbar,.login-main{padding-left:16px;padding-right:16px}
  .login-card{padding:26px 19px 24px}
  .card-brand{margin-bottom:20px}
  .card-brand-name{font-size:28px}
  .form-title{font-size:21px;margin-bottom:20px}
}