:root {
  --bg: #0b0e13;
  --bg-2: #11161e;
  --panel: #151b25;
  --line: #243040;
  --text: #e8edf3;
  --muted: #8b98aa;
  --accent: #4fd1a5;
  --accent-2: #7aa2ff;
  --warn: #ffb547;
  --danger: #ff6b6b;
  --radius: 14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 600px at 50% -10%, #17202c 0%, var(--bg) 60%);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(11, 14, 19, 0.6);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 28px; height: 28px; border-radius: 8px;
  background: conic-gradient(from 200deg, var(--accent), var(--accent-2), var(--accent));
  box-shadow: 0 0 24px rgba(79, 209, 165, 0.35);
}
.name { font-weight: 650; letter-spacing: 0.2px; }
.tag { font-size: 12px; color: var(--muted); border: 1px solid var(--line); padding: 2px 8px; border-radius: 999px; }
.status { font-size: 13px; color: var(--muted); font-family: var(--mono); }
.top { gap: 12px; }
.lang { display: flex; gap: 2px; margin-left: auto; font-family: var(--mono); font-size: 12.5px; flex-shrink: 0; }
.lang-btn { background: none; border: 0; padding: 4px 6px; color: var(--muted); cursor: pointer; border-radius: 6px; letter-spacing: .3px; white-space: nowrap; }
.brand { min-width: 0; }
.name { white-space: nowrap; }
.tag { white-space: nowrap; }
.lang-btn:hover { color: var(--text); border-color: transparent; }
.lang-btn.on { color: var(--accent); cursor: default; }
.lang-btn.on:hover { color: var(--accent); }
.status { margin-left: 0; }

.app {
  flex: 1;
  width: 100%;
  max-width: 1720px;
  margin: 0 auto;
  padding: 28px 24px 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
/* Toutes les cartes occupent la largeur disponible, quel que soit l'ecran. */
.app > .card { width: 100%; }
/* Ecran wallet : deux colonnes qui occupent tout l'ecran a partir de 1024 px. */
.cols { display: grid; grid-template-columns: 1fr; gap: 20px; align-items: start; }
.col { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
@media (min-width: 1024px) { .cols { grid-template-columns: 1fr 1fr; gap: 24px; } .cols.home { grid-template-columns: 2fr 1fr; } }
@media (min-width: 1440px) { .app { padding: 32px 40px 56px; } .cols { gap: 28px; } }
@media (max-width: 640px) { .app { padding: 20px 16px 40px; } }

.foot {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 16px 24px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 12px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.card h2 { margin: 0 0 6px; font-size: 18px; font-weight: 650; }
.card p { margin: 6px 0; color: var(--muted); }
.card p.strong { color: var(--text); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 14px 0 4px; }
.step {
  border: 1px solid var(--line); border-radius: 12px; padding: 14px; background: var(--bg-2);
  display: flex; flex-direction: column; gap: 6px;
}
.step .k { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.step .t { font-weight: 600; }
.step .s { font-size: 13px; color: var(--muted); }
.step.done { border-color: rgba(79, 209, 165, 0.5); }
.step.done .k::after { content: " ✓"; color: var(--accent); }

.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 12px; }
.row.end { justify-content: flex-end; }

button {
  font: inherit; color: var(--text);
  background: linear-gradient(180deg, #1c2532, #161d28);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 16px; cursor: pointer;
  transition: border-color .15s, transform .05s, background .15s;
}
button:hover { border-color: #37465c; }
button:active { transform: translateY(1px); }
button:disabled { opacity: .45; cursor: default; }
button.primary {
  background: linear-gradient(180deg, #57dcb0, #3fbf92);
  color: #06130e; border-color: transparent; font-weight: 650;
}
button.primary:hover { filter: brightness(1.06); }
button.danger { border-color: rgba(255, 107, 107, .5); color: var(--danger); }

label { display: block; font-size: 13px; color: var(--muted); margin: 10px 0 6px; }
input[type="text"], input[type="password"], input[type="url"], textarea {
  width: 100%; font: inherit; color: var(--text);
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; outline: none;
}
input:focus, textarea:focus { border-color: var(--accent-2); }
textarea { font-family: var(--mono); font-size: 12.5px; min-height: 90px; resize: vertical; }
.mono { font-family: var(--mono); }
.addr {
  font-family: var(--mono); font-size: 14px; word-break: break-all;
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
}
.balance { font-size: 34px; font-weight: 700; letter-spacing: -0.5px; margin: 6px 0 0; }
.balance small { font-size: 14px; color: var(--muted); font-weight: 500; margin-left: 6px; }

.notice { border-left: 3px solid var(--accent-2); padding: 8px 12px; background: rgba(122, 162, 255, .08); border-radius: 0 10px 10px 0; color: var(--text); font-size: 14px; }
.notice.warn { border-color: var(--warn); background: rgba(255, 181, 71, .08); }
.notice.err { border-color: var(--danger); background: rgba(255, 107, 107, .08); }
.notice.ok { border-color: var(--accent); background: rgba(79, 209, 165, .08); }

.pills { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.pill {
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; font-size: 13px; cursor: pointer;
  background: var(--bg-2); user-select: none;
}
.pill.on { border-color: var(--accent); color: var(--accent); }
.pill.off { opacity: .45; cursor: not-allowed; }

.log { font-family: var(--mono); font-size: 12.5px; color: var(--muted); white-space: pre-wrap; overflow-wrap: anywhere; margin-top: 12px; }
.log:empty { display: none; }
a.btn {
  display: inline-flex; align-items: center; text-decoration: none; color: var(--text);
  background: linear-gradient(180deg, #1c2532, #161d28);
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 16px; line-height: 1.5;
}
a.btn:hover { border-color: #37465c; }
.addr + .balance { margin-top: 10px; }
.log .ok { color: var(--accent); }
.log .err { color: var(--danger); }

details { border: 1px dashed var(--line); border-radius: 10px; padding: 10px 14px; color: var(--muted); margin-top: 12px; }
details summary { cursor: pointer; color: var(--text); }

@media (max-width: 640px) {
  .steps { grid-template-columns: 1fr; }
  .top { padding: 12px 16px; gap: 8px; }
  .status { display: none; }
  .tag { display: none; }
  .name { font-size: 15px; }
}

.factors { display: flex; flex-direction: column; gap: 8px; margin: 10px 0 4px; }
.factor {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; background: var(--bg-2);
}
.factor > .mono:first-child { font-weight: 700; color: var(--accent); min-width: 14px; }
.factor .muted { color: var(--muted); font-size: 12.5px; }
.factor .acts { display: flex; gap: 8px; align-items: center; margin-left: auto; flex-wrap: wrap; }
button.small { padding: 6px 10px; font-size: 13px; }
.steps.one { grid-template-columns: 1fr; }

.allow { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin-top: 10px; }
.allow:empty { display: none; }
.allow-row {
  display: grid; grid-template-columns: 1.4fr 1.1fr 1.3fr auto; gap: 12px; align-items: center;
  padding: 10px 14px; border-top: 1px solid var(--line); background: var(--bg-2); font-size: 14px;
}
.allow-row:first-child { border-top: 0; }
.allow-row.head { background: var(--panel); color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
.allow-row .act { justify-self: end; }
.allow-row .amount { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.lnk { color: var(--accent-2); text-decoration: none; font-size: 12.5px; }
.lnk:hover { text-decoration: underline; }
.badge { display: inline-block; font-size: 11.5px; padding: 2px 8px; border-radius: 999px; border: 1px solid; font-weight: 600; }
.badge.unl { color: var(--danger); border-color: rgba(255,107,107,.5); background: rgba(255,107,107,.08); }
.badge.lim { color: var(--warn); border-color: rgba(255,181,71,.5); background: rgba(255,181,71,.08); }
.badge.nft { color: var(--accent-2); border-color: rgba(122,162,255,.5); background: rgba(122,162,255,.08); }
@media (max-width: 640px) {
  .allow-row { grid-template-columns: 1fr 1fr; }
  .allow-row.head { display: none; }
  .allow-row .act { grid-column: 2; }
}
.notice { margin-top: 10px; }
.card > .notice:first-of-type, .card h2 + .notice { margin-top: 0; }

.row.tight { flex-wrap: nowrap; margin-top: 0; gap: 8px; }
.row.tight input { flex: 1; min-width: 0; }

.badge.ok { color: var(--accent); border-color: rgba(79,227,160,.5); background: rgba(79,227,160,.08); }
.badge.warn { color: var(--warn); border-color: rgba(255,181,71,.5); background: rgba(255,181,71,.08); margin-top: 8px; display: inline-block; }
p.muted.small { color: var(--muted); font-size: 12.5px; }

.small { font-size: 12.5px; }
.err-text { color: var(--danger); }
.row.tight input + input { margin-left: 0; }

.fee-row { align-items: flex-end; }
.fee-field { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.fee-lbl { font-size: 11.5px; color: var(--muted); }
.fees .muted.small, .fees .err-text { margin-top: 8px; }

.keylist { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.keyblock { border: 1px dashed var(--line); border-radius: 10px; padding: 10px 12px; display: flex; flex-direction: column; gap: 4px; }
.keyblock .row { margin-top: 6px; }
.keyblock label { margin: 0 0 2px; }
.keylist > button { align-self: flex-start; }

/* Aucun defilement interne : tout s'etend, la page seule defile verticalement. */
html, body { overflow-x: hidden; }
.card, .allow, .factor, .notice, details { max-width: 100%; overflow-wrap: anywhere; }
input, textarea { max-width: 100%; }
@media (max-width: 640px) {
  .row.tight { flex-wrap: wrap; }
  .row.tight input { flex: 1 1 100%; }
  .fee-row .fee-field { flex: 1 1 100%; }
  .allow-row { grid-template-columns: 1fr; }
  .allow-row .act { grid-column: 1; justify-self: start; }
}
@media (max-width: 640px) {
  .factor { row-gap: 6px; }
  .factor .acts { margin-left: 0; flex-basis: 100%; }
  /* 16 px minimum : en dessous, iOS zoome automatiquement sur le champ au focus. */
  input[type="text"], input[type="password"], input[type="url"], textarea { font-size: 16px; }
  .balance { font-size: 28px; }
  .card { padding: 18px 16px; }
}

/* Recapitulatif avant signature */
.recap { margin-top: 12px; border: 1px solid rgba(79, 209, 165, .45); border-radius: 12px; padding: 14px 16px; background: rgba(79, 209, 165, .06); display: flex; flex-direction: column; gap: 8px; }
.recap-title { font-weight: 650; }
.recap-line { display: grid; grid-template-columns: 120px 1fr; gap: 10px; align-items: baseline; font-size: 14px; }
.recap-line .k { color: var(--muted); }
.recap-line .v { word-break: break-all; }
.recap .row { margin-top: 4px; }
@media (max-width: 640px) { .recap-line { grid-template-columns: 1fr; gap: 2px; } }
/* Appareils tactiles sans souris (telephones, tablettes) : jamais moins de 16 px dans un champ, quelle que soit la largeur. */
@media (hover: none) and (pointer: coarse) {
  input[type="text"], input[type="password"], input[type="url"], textarea { font-size: 16px; }
}

/* Lignes de facteurs : meme hauteur pour A, B et C, boutons ou non */
.factor { min-height: 52px; }

/* Modale (QR code) : fond floute comme une fenetre Printy */
.overlay {
  position: fixed; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center; padding: 16px;
  background: rgba(7, 11, 16, .55);
  backdrop-filter: blur(10px) saturate(.8); -webkit-backdrop-filter: blur(10px) saturate(.8);
  animation: fade .15s ease-out;
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.modal {
  width: 100%; max-width: 420px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: 0 24px 80px rgba(0, 0, 0, .5); display: flex; flex-direction: column; gap: 10px;
}
.modal h2 { margin: 0; font-size: 18px; font-weight: 650; }
.modal .row { margin-top: 0; }
.modal-actions { justify-content: space-between; }
.modal-actions > :last-child { margin-left: auto; }
.qr { display: flex; justify-content: center; }
.qr svg { width: min(260px, 70vw); height: auto; border-radius: 12px; }
.qr-addr { text-align: center; font-size: 13px; }
body.modal-open { overflow: hidden; }

/* Champ d'adresse : passe a la ligne, jamais coupe */
textarea.addr-in, textarea.url-in {
  font-family: var(--mono); font-size: 14px; min-height: 0; height: auto; resize: none; overflow: hidden;
  white-space: pre-wrap; overflow-wrap: anywhere; word-break: break-all; line-height: 1.45; padding: 10px 12px;
}
@media (hover: none) and (pointer: coarse) { textarea.addr-in, textarea.url-in { font-size: 16px; } }