:root{
  --ink:#1b1d22;
  --ink-soft:#2a2d34;
  --or:#c9a56a;
  --or-clair:#ddc08a;
  --creme:#f4f2ee;
  --blanc:#ffffff;
  --texte:#22242a;
  --texte-doux:#6b6f76;
  --radius:14px;
}
*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  background:var(--creme);
  color:var(--texte);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  line-height:1.55;
}
h1,h2,.brand{font-family:'Fraunces',Georgia,serif;color:var(--ink);}
a{color:var(--ink);}

.app{display:flex;flex-direction:column;height:100vh;height:100dvh;max-width:560px;margin:0 auto;background:var(--creme);}

.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid rgba(27,29,34,.08);flex-shrink:0;}
.topbar .brand{font-size:1.3rem;font-weight:600;}
.topbar .brand .dot{color:var(--or);}
.topbar-actions{display:flex;gap:14px;align-items:center;font-size:.82rem;}
.topbar-actions a,.topbar-actions button{background:none;border:none;color:var(--texte-doux);cursor:pointer;font-size:.82rem;font-family:inherit;padding:0;}
.topbar-actions a:hover,.topbar-actions button:hover{color:var(--ink);}

/* --- Auth --- */
.auth-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:24px;}
.auth-card{background:var(--blanc);border-radius:20px;padding:40px 32px;max-width:380px;width:100%;box-shadow:0 30px 70px -30px rgba(27,29,34,.25);}
.auth-card h1{font-size:1.8rem;margin:0 0 6px;}
.auth-card .sub{color:var(--texte-doux);font-size:.92rem;margin-bottom:26px;}
.auth-card label{display:block;font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--texte-doux);margin:14px 0 5px;}
.auth-card input{width:100%;padding:12px 14px;border-radius:10px;border:1px solid rgba(27,29,34,.16);font-family:inherit;font-size:.95rem;background:var(--creme);color:var(--texte);}
.auth-card input:focus{outline:2px solid var(--or);border-color:transparent;}
.auth-card .btn{width:100%;margin-top:20px;}
.auth-switch{text-align:center;margin-top:18px;font-size:.85rem;color:var(--texte-doux);}
.auth-switch button{background:none;border:none;color:var(--ink);text-decoration:underline;cursor:pointer;font-family:inherit;font-size:inherit;padding:0;}
.auth-note{background:rgba(201,165,106,.14);border-radius:10px;padding:12px 14px;font-size:.85rem;margin-top:16px;color:var(--ink-soft);}
.auth-error{background:#fbeaea;color:#8a2a2a;border-radius:10px;padding:10px 14px;font-size:.85rem;margin-top:14px;}

.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:999px;border:none;font-weight:600;font-size:.9rem;cursor:pointer;text-decoration:none;font-family:inherit;}
.btn-or{background:var(--ink);color:var(--creme);}
.btn-or:hover{background:var(--ink-soft);}
.btn-or:disabled{opacity:.5;cursor:default;}
.btn-outline{background:transparent;border:1px solid rgba(27,29,34,.25);color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:var(--creme);}

/* --- Chat --- */
.chat-body{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px;}
.msg{max-width:80%;padding:12px 16px;border-radius:16px;font-size:.94rem;white-space:pre-wrap;}
.msg.user{align-self:flex-end;background:var(--ink);color:var(--creme);border-bottom-right-radius:4px;}
.msg.assistant{align-self:flex-start;background:var(--blanc);border:1px solid rgba(27,29,34,.08);border-bottom-left-radius:4px;}
.msg.system{align-self:center;background:transparent;color:var(--texte-doux);font-size:.82rem;text-align:center;max-width:100%;}

.chat-foot{border-top:1px solid rgba(27,29,34,.08);padding:14px 16px;flex-shrink:0;background:var(--creme);}
.chat-inputrow{display:flex;gap:8px;}
.chat-input{flex:1;border:1px solid rgba(27,29,34,.18);border-radius:12px;padding:11px 14px;font-family:inherit;font-size:.94rem;background:var(--blanc);resize:none;max-height:100px;}
.chat-input:focus{outline:2px solid var(--or);border-color:transparent;}
.chat-send{background:var(--or);color:var(--ink);border:none;border-radius:12px;padding:0 18px;font-weight:600;cursor:pointer;font-size:.88rem;}
.chat-send:disabled{opacity:.5;cursor:default;}
.chat-cta{margin-top:10px;width:100%;background:transparent;border:1px solid var(--ink);color:var(--ink);border-radius:999px;padding:11px 14px;font-size:.85rem;cursor:pointer;text-transform:uppercase;letter-spacing:.05em;}
.chat-cta:hover{background:var(--ink);color:var(--creme);}

/* --- Formulaire de demande --- */
.request-form{padding:20px;display:flex;flex-direction:column;gap:4px;overflow-y:auto;}
.request-form h3{margin:0 0 4px;font-size:1.2rem;}
.request-form label{font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--texte-doux);margin-top:10px;}
.request-form textarea{width:100%;padding:11px 12px;border-radius:10px;border:1px solid rgba(27,29,34,.18);font-family:inherit;font-size:.92rem;background:var(--blanc);min-height:90px;resize:vertical;}
.request-actions{display:flex;gap:10px;margin-top:16px;}
.request-actions button{flex:1;}

/* --- Mes demandes --- */
.requests-list{padding:20px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:12px;}
.request-row{background:var(--blanc);border:1px solid rgba(27,29,34,.08);border-radius:14px;padding:16px 18px;}
.request-row .meta{font-size:.76rem;color:var(--texte-doux);margin-bottom:6px;}
.badge{font-size:.66rem;text-transform:uppercase;letter-spacing:.04em;padding:3px 10px;border-radius:999px;font-weight:600;}
.badge-transmise{background:rgba(201,165,106,.22);color:#8a6a2a;}
.badge-en_cours{background:rgba(27,29,34,.1);color:var(--ink);}
.badge-traitee{background:rgba(27,29,34,.06);color:var(--texte-doux);}
.empty-state{text-align:center;padding:60px 20px;color:var(--texte-doux);}

/* --- Landing --- */
.landing{flex:1;overflow-y:auto;display:flex;flex-direction:column;padding:36px 28px;}
.landing-hero h1{font-size:1.9rem;line-height:1.25;margin-bottom:14px;}
.landing-sub{color:var(--texte-doux);font-size:1rem;margin-bottom:26px;max-width:420px;}
.landing-hero .btn{padding:15px 30px;font-size:.95rem;}
.landing-features{margin-top:48px;display:flex;flex-direction:column;gap:22px;}
.landing-feature-title{font-family:'Fraunces',Georgia,serif;font-size:1.05rem;color:var(--ink);margin-bottom:4px;}
.landing-feature-text{color:var(--texte-doux);font-size:.9rem;}
.landing-footer{margin-top:auto;padding-top:40px;font-size:.78rem;color:var(--texte-doux);}
.landing-footer a{color:var(--texte-doux);text-decoration:underline;}
.landing-footer a:hover{color:var(--ink);}