/* ===== CfaSwap — Web app (style Sandclock) ===== */
:root{
  --abyss:        #0a0a0a;
  --carbon:       #171717;
  --graphite:     #222222;
  --ash:          #9b9b9b;
  --chalk:        #ffffff;
  --mint:         #3fe280;
  --red:          #f6465d;
  --green:        #3fe280;

  --font-display: 'General Sans','Satoshi',Inter,ui-sans-serif,system-ui,sans-serif;
  --font-ui:      Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;

  --track:        0.05em;
  --r-card:       12px;
  --r-btn:        16px;
  --r-pill:       9999px;
}

*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:var(--font-ui);
  background:var(--abyss);color:var(--chalk);
  line-height:1.5;letter-spacing:var(--track);
  -webkit-font-smoothing:antialiased;font-weight:400;
}
a{color:var(--mint);text-decoration:none}
button{font-family:inherit;cursor:pointer;letter-spacing:var(--track)}
input,select,textarea{font-family:inherit;font-size:16px;color:inherit;letter-spacing:var(--track)}
.muted{color:var(--ash)}
.hidden{display:none !important}
code{background:var(--carbon);border:1px solid var(--graphite);padding:3px 8px;border-radius:6px;font-size:14px;color:var(--mint);letter-spacing:.5px}

/* ============ Shell ============ */
.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.sidebar{
  background:var(--abyss);border-right:1px solid var(--graphite);padding:24px 16px;
  position:sticky;top:0;height:100vh;overflow-y:auto;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:500;font-size:18px;padding:6px 10px 32px;color:var(--chalk);letter-spacing:var(--track)}
.logo-mark{
  width:30px;height:30px;flex:0 0 30px;display:block;
}
.logo-mark svg{width:100%;height:100%;display:block}
.nav-link{
  display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--r-btn);
  color:var(--ash);font-weight:400;font-size:16px;margin-bottom:4px;letter-spacing:var(--track);transition:all .15s;
  border:1px solid transparent;
}
.nav-link:hover{color:var(--chalk)}
.nav-link.active{color:var(--chalk);background:var(--carbon);border-color:var(--graphite);position:relative}
.nav-link.active::before{content:'';position:absolute;left:-16px;top:12px;bottom:12px;width:3px;background:var(--mint)}
.nav-link .ico{font-size:16px;width:20px;text-align:center;opacity:.8}
.sidebar-sep{height:1px;background:var(--graphite);margin:16px 0}
.sidebar-footer{padding:16px;font-size:14px;color:var(--ash);border-top:1px solid var(--graphite);margin-top:24px;letter-spacing:.7px}
.sidebar-footer strong{color:var(--chalk);display:block;margin-bottom:4px;font-weight:500}

.content{padding:40px 48px;max-width:1200px}
.page-title{font-family:var(--font-display);font-size:36px;font-weight:400;letter-spacing:-1.8px;margin-bottom:8px;color:var(--chalk);line-height:1.11}
.page-sub{color:var(--ash);margin-bottom:40px;font-size:16px;letter-spacing:.8px}

/* ============ Cartes ============ */
.card{background:var(--carbon);border:1px solid var(--graphite);border-radius:var(--r-card);padding:24px}
.card + .card{margin-top:16px}
.card-title{font-size:20px;font-weight:500;margin-bottom:16px;color:var(--chalk);letter-spacing:1px}
.card-sub{color:var(--ash);font-size:14px;margin-bottom:16px;letter-spacing:.7px}

/* Boutons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);font-weight:500;font-size:16px;letter-spacing:var(--track);
  border:1px solid transparent;background:transparent;color:var(--chalk);transition:all .15s;
}
.btn-primary{background:var(--mint);color:var(--abyss);font-weight:500;box-shadow:rgba(24,39,75,.08) 0 2px 3px 0}
.btn-primary:hover{filter:brightness(.95)}
.btn-primary:disabled{opacity:.4;cursor:not-allowed;filter:none}
.btn-ghost{background:transparent;color:var(--chalk);border-color:var(--graphite)}
.btn-ghost:hover{border-color:var(--ash)}
.btn-outline{border-color:var(--graphite);color:var(--chalk)}
.btn-outline:hover{border-color:var(--mint);color:var(--mint)}
.btn-danger{background:var(--red);color:var(--chalk);border-radius:var(--r-btn)}
.btn-danger:hover{filter:brightness(.95)}
.btn-sm{padding:8px 14px;font-size:14px;letter-spacing:.7px}
.btn-xl{padding:14px 28px;font-size:16px}
.btn-block{width:100%}
.btn-link{padding:0;background:none;color:var(--mint);font-weight:500;font-size:14px;border:0;letter-spacing:.7px}

/* Formulaires */
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:400;margin-bottom:8px;color:var(--ash);letter-spacing:.7px;text-transform:uppercase}
.field input, .field select, .field textarea{
  width:100%;padding:14px 16px;border:1px solid var(--graphite);border-radius:var(--r-card);
  background:var(--abyss);color:var(--chalk);transition:border-color .15s;letter-spacing:.8px;
}
.field input:focus, .field select:focus, .field textarea:focus{outline:none;border-color:var(--mint)}
.field input::placeholder{color:var(--ash);opacity:.5}
.field input:disabled{opacity:.5;cursor:not-allowed}
.field .error{color:var(--red);font-size:14px;margin-top:6px;letter-spacing:.7px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field .hint{color:var(--ash);font-size:14px;margin-top:6px;letter-spacing:.7px}

/* Toast */
.toast{
  position:fixed;bottom:32px;left:50%;transform:translateX(-50%);
  background:var(--carbon);border:1px solid var(--graphite);color:var(--chalk);
  padding:14px 24px;border-radius:var(--r-card);z-index:200;font-weight:400;
  animation:toast-in .2s ease;letter-spacing:.7px;
}
.toast.ok{border-color:var(--mint);color:var(--mint)}
.toast.err{border-color:var(--red);color:var(--red)}
.toast[hidden]{display:none !important}
@keyframes toast-in{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}

/* Modal */
.modal{position:fixed;inset:0;z-index:150;display:grid;place-items:center}
.modal[hidden]{display:none !important}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.72)}
.modal-content{position:relative;background:var(--carbon);border:1px solid var(--graphite);border-radius:var(--r-card);padding:32px;max-width:460px;width:92%;max-height:85vh;overflow-y:auto}

/* ============ Auth ============ */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--abyss)}
.auth-card{background:var(--carbon);border:1px solid var(--graphite);border-radius:var(--r-card);padding:48px;max-width:420px;width:100%}
.auth-logo{display:flex;align-items:center;gap:12px;justify-content:center;margin-bottom:32px;font-weight:500;font-size:18px;letter-spacing:var(--track)}
.auth-card h1{font-family:var(--font-display);font-size:36px;letter-spacing:-1.8px;margin-bottom:12px;font-weight:400;text-align:center;color:var(--chalk);line-height:1.11}
.auth-card .sub{color:var(--ash);text-align:center;margin-bottom:32px;font-size:14px;letter-spacing:.7px}
.auth-switch{text-align:center;margin-top:20px;font-size:14px;color:var(--ash);letter-spacing:.7px}

/* ============ Dashboard ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stat{background:var(--carbon);border:1px solid var(--graphite);border-radius:var(--r-card);padding:24px}
.stat.live{border-color:var(--mint)}
.stat .lab{font-size:14px;color:var(--ash);margin-bottom:12px;text-transform:uppercase;letter-spacing:1.2px}
.stat .val{font-family:var(--font-display);font-size:36px;font-weight:500;letter-spacing:-1.8px;color:var(--chalk);line-height:1.11;font-variant-numeric:tabular-nums}
.stat .sub{font-size:14px;color:var(--ash);margin-top:6px;letter-spacing:.7px}

.wallet-list{display:grid;gap:12px}
.wallet-row{
  display:grid;grid-template-columns:44px 1fr auto;gap:16px;align-items:center;
  padding:16px 20px;border:1px solid var(--graphite);border-radius:var(--r-card);background:var(--carbon);
}
.wallet-row:hover{border-color:var(--mint)}
.coin-ico{
  width:36px;height:36px;border-radius:50%;background:var(--abyss);color:var(--chalk);border:1px solid var(--graphite);
  display:grid;place-items:center;font-weight:500;font-size:13px;letter-spacing:.5px;
}
.wallet-name{font-weight:500;font-size:16px;color:var(--chalk);letter-spacing:.8px}
.wallet-sub{font-size:14px;color:var(--ash);margin-top:2px;letter-spacing:.7px}
.wallet-val{text-align:right;font-weight:500;color:var(--chalk);font-variant-numeric:tabular-nums;letter-spacing:.8px}

.rates-strip{display:flex;gap:12px;overflow-x:auto;padding-bottom:6px;margin:0 0 24px;scrollbar-width:thin;scrollbar-color:var(--graphite) transparent}
.rate-pill{
  flex:0 0 auto;background:var(--carbon);border:1px solid var(--graphite);border-radius:var(--r-card);padding:16px 20px;min-width:180px;
}
.rate-pill .pill-sym{font-weight:500;font-size:14px;color:var(--ash);text-transform:uppercase;letter-spacing:1.2px}
.rate-pill .pill-val{font-family:var(--font-display);color:var(--chalk);font-weight:500;font-variant-numeric:tabular-nums;margin-top:8px;font-size:24px;letter-spacing:-1.2px}
.rate-pill .pill-sub{font-size:14px;color:var(--ash);margin-top:4px;letter-spacing:.7px}

/* Table */
.tbl{width:100%;border-collapse:collapse;background:var(--carbon);border:1px solid var(--graphite);border-radius:var(--r-card);overflow:hidden}
.tbl th, .tbl td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--graphite);font-size:14px;letter-spacing:.7px}
.tbl th{font-size:14px;text-transform:uppercase;letter-spacing:1.2px;color:var(--ash);background:var(--abyss);font-weight:400}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:hover td{background:var(--abyss)}

/* Pills statut */
.pill{display:inline-block;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:500;letter-spacing:.7px;text-transform:uppercase;border:1px solid var(--graphite);background:var(--carbon);color:var(--chalk)}
.pill-pending,.pill-awaiting-payment,.pill-awaiting-crypto{color:var(--mint)}
.pill-processing{color:#5997f6}
.pill-completed{color:var(--mint);border-color:var(--mint)}
.pill-cancelled{color:var(--ash)}
.pill-failed{color:var(--red);border-color:var(--red)}
.pill-buy{color:var(--mint);border-color:var(--mint)}
.pill-sell{color:var(--red);border-color:var(--red)}

/* Flow achat/vente */
.flow{max-width:720px}
.flow-tabs{display:flex;gap:0;margin-bottom:24px;border-bottom:1px solid var(--graphite)}
.flow-tab{
  flex:1;padding:14px;background:transparent;color:var(--ash);
  font-weight:400;cursor:pointer;letter-spacing:var(--track);
  border:0;border-bottom:3px solid transparent;font-size:16px;
}
.flow-tab.active{color:var(--chalk);border-bottom-color:var(--mint)}
.calc-row{display:grid;grid-template-columns:1fr 60px 1fr;gap:16px;align-items:end;margin-bottom:16px}
.swap-arrow{display:grid;place-items:center;font-size:20px;color:var(--ash);padding-bottom:14px}
.coin-select{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.coin-chip{
  padding:8px 16px;border:1px solid var(--graphite);border-radius:var(--r-pill);font-weight:400;font-size:14px;
  background:var(--carbon);color:var(--chalk);letter-spacing:.7px;transition:all .15s;
}
.coin-chip:hover{border-color:var(--ash)}
.coin-chip.active{background:var(--mint);color:var(--abyss);border-color:var(--mint);font-weight:500}
.summary{background:var(--abyss);border:1px solid var(--graphite);border-radius:var(--r-card);padding:20px;margin:20px 0}
.summary-row{display:flex;justify-content:space-between;padding:8px 0;font-size:14px;color:var(--ash);letter-spacing:.7px}
.summary-row span:last-child{color:var(--chalk);font-variant-numeric:tabular-nums}
.summary-row.total{border-top:1px solid var(--graphite);padding-top:14px;margin-top:10px;font-weight:500;font-size:16px;color:var(--chalk);letter-spacing:.8px}
.summary-row.total span:last-child{color:var(--mint)}

.mobile-topbar{display:none}

/* Scrollbars */
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:var(--abyss)}
::-webkit-scrollbar-thumb{background:var(--graphite);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--ash)}

/* ============ Animations ============ */
@keyframes pulseMint{
  0%,100%{box-shadow:0 0 0 0 rgba(63,226,128,.5)}
  70%{box-shadow:0 0 0 7px rgba(63,226,128,0)}
}
.live-dot{
  display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 0 0 rgba(63,226,128,.5);
  animation:pulseMint 2s ease-in-out infinite;
  margin-right:6px;vertical-align:middle;
}

@keyframes fadeUp{
  from{opacity:0;transform:translateY(16px)}
  to{opacity:1;transform:translateY(0)}
}
.card, .stat, .wallet-row, .rate-pill, .tbl{
  animation:fadeUp .35s ease-out backwards;
}
.stat:nth-child(2){animation-delay:.05s}
.stat:nth-child(3){animation-delay:.1s}
.stat:nth-child(4){animation-delay:.15s}
.wallet-row:nth-child(2){animation-delay:.05s}
.wallet-row:nth-child(3){animation-delay:.1s}
.wallet-row:nth-child(4){animation-delay:.15s}
.wallet-row:nth-child(5){animation-delay:.2s}
.wallet-row:nth-child(6){animation-delay:.25s}

/* Nav active : stripe mint anime */
@keyframes stripeIn{from{height:0}to{height:calc(100% - 24px)}}
.nav-link.active::before{animation:stripeIn .25s ease-out}

/* Hover subtil */
.wallet-row, .stat, .card, .rate-pill{transition:border-color .2s, transform .15s}
.stat:hover, .rate-pill:hover{transform:translateY(-1px)}

/* Button shimmer sur primary */
.btn{position:relative;overflow:hidden}
.btn-primary::after{
  content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);
  transform:translateX(-120%);transition:transform .5s;pointer-events:none;
}
.btn-primary:hover::after{transform:translateX(120%)}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .shell{grid-template-columns:1fr}
  .sidebar{
    position:fixed;left:-280px;top:0;width:260px;z-index:120;transition:left .25s;
  }
  .sidebar.open{left:0}
  .mobile-topbar{
    display:flex;align-items:center;justify-content:space-between;
    background:var(--abyss);border-bottom:1px solid var(--graphite);padding:16px 20px;position:sticky;top:0;z-index:100;
  }
  .burger{background:none;border:none;font-size:20px;color:var(--chalk);padding:4px 10px}
  .content{padding:24px}
  .stat-grid{grid-template-columns:1fr 1fr}
  .field-row{grid-template-columns:1fr}
  .calc-row{grid-template-columns:1fr;gap:12px}
  .swap-arrow{transform:rotate(90deg);padding:0}
  .tbl{display:block;overflow-x:auto}
  .page-title{font-size:28px}
}