:root{
  --bg: #eef1ef;
  --grid: #dfe4e1;
  --panel: #ffffff;
  --ink: #1b2430;
  --ink-soft: #55606b;
  --rule: #c7cdcf;
  --rule-strong: #9aa4a8;
  --copper: #b5541e;
  --copper-dark: #8f3f14;
  --steel: #3c5a73;
  --ok: #4c7a5e;
  --danger: #a13c2f;
  --chip-bg: #eef1ef;
  --sans: 'Archivo', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', 'Courier New', monospace;
  --radius: 3px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family: var(--sans);
  color: var(--ink);
  background:
    repeating-linear-gradient(0deg, var(--grid) 0, var(--grid) 1px, transparent 1px, transparent 28px),
    repeating-linear-gradient(90deg, var(--grid) 0, var(--grid) 1px, transparent 1px, transparent 28px),
    var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
.wrap{
  max-width: 640px;
  margin: 0 auto;
  padding: 18px 14px 90px;
  position: relative;
}
.wrap::before, .wrap::after,
.corner-b::before, .corner-b::after{
  content:"";
  position:absolute;
  width:16px; height:16px;
  border-color: var(--rule-strong);
  z-index: 1;
}
.wrap::before{ top:8px; left:6px; border-top:2px solid var(--rule-strong); border-left:2px solid var(--rule-strong); }
.wrap::after{ top:8px; right:6px; border-top:2px solid var(--rule-strong); border-right:2px solid var(--rule-strong); }
.corner-b{ position:relative; }
.corner-b::before{ bottom:-1px; left:-1px; border-bottom:2px solid var(--rule-strong); border-left:2px solid var(--rule-strong); top:auto; }
.corner-b::after{ bottom:-1px; right:-1px; border-bottom:2px solid var(--rule-strong); border-right:2px solid var(--rule-strong); top:auto; }

header{ padding: 22px 4px 14px; }
.topbar{ display:flex; justify-content:space-between; align-items:flex-start; gap:12px; }
.user-badge{ display:flex; align-items:center; gap:8px; font-size:12.5px; color:var(--ink-soft); white-space:nowrap; padding-top:4px; }
h1{
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 2px;
  letter-spacing: -0.01em;
}
.subtitle{
  color: var(--ink-soft);
  font-size: 13.5px;
  margin: 0;
}

nav.tabs{
  display:flex;
  gap: 2px;
  margin: 16px 0 14px;
  border-bottom: 1px solid var(--rule);
}
nav.tabs button{
  flex:1;
  padding: 10px 8px;
  background: none;
  border: none;
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
nav.tabs button.active{
  color: var(--copper-dark);
  border-bottom-color: var(--copper);
}

.edit-banner{
  display:flex; justify-content:space-between; align-items:center;
  background:#e4eaf0; color:#33506e; border:1px solid #c3d3e0;
  border-radius: var(--radius); padding:10px 12px; margin-bottom:14px;
  font-size:13.5px; font-weight:600;
}

.cartouche{
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 12px 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 14px;
  margin-bottom: 16px;
  position: relative;
}
.cartouche .field{ grid-column: span 1; }
.cartouche .field.full{ grid-column: 1 / -1; }

.field label{
  display:block;
  font-size: 11.5px;
  color: var(--ink-soft);
  margin-bottom: 4px;
}
.field input, .field select, .field textarea{
  width:100%;
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: 5px 2px 7px;
  outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-bottom: 1.5px solid var(--copper);
}
.field.mono input{ font-family: var(--mono); }
textarea{ resize: vertical; min-height: 72px; }

.plate{
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 16px 14px;
  margin-bottom: 14px;
}
.plate h2{
  font-size: 14.5px;
  font-weight: 600;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}
.grid2{ display:grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
.grid3{ display:grid; grid-template-columns: repeat(3,1fr); gap: 10px 12px; }
.grid5{ display:grid; grid-template-columns: repeat(2,1fr); gap: 10px 12px; }
@media(min-width:480px){ .grid5{ grid-template-columns: repeat(5,1fr); } }

.chiprow{ display:flex; flex-wrap:wrap; gap: 8px; }
.chip{
  font-family: var(--sans);
  font-size: 13.5px;
  padding: 7px 12px;
  border-radius: 100px;
  border: 1px solid var(--rule-strong);
  background: var(--chip-bg);
  color: var(--ink);
  cursor: pointer;
}
.chip[aria-pressed="true"]{
  background: var(--copper);
  border-color: var(--copper);
  color: #fff;
}
.chip.statut[aria-pressed="true"]{
  background: var(--steel);
  border-color: var(--steel);
}

.cardphoto{
  display:flex;
  align-items:center;
  gap: 12px;
  margin-top: 4px;
}
.cardphoto .thumb{
  width: 84px; height: 56px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--chip-bg) center/cover no-repeat;
  display:flex; align-items:center; justify-content:center;
  color: var(--ink-soft);
  font-size: 10px;
  text-align:center;
  flex-shrink:0;
}
.plan-gallery{
  display:flex; flex-wrap:wrap; gap:8px;
  margin: 8px 0;
}
.plan-gallery .plan-thumb{
  position:relative;
  width: 78px; height: 78px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--chip-bg) center/cover no-repeat;
  flex-shrink:0;
}
.plan-gallery .plan-thumb button{
  position:absolute; top:-7px; right:-7px;
  width:20px; height:20px;
  border-radius:50%;
  background: var(--danger);
  color:#fff; border:none;
  font-size:13px; line-height:1;
  cursor:pointer;
}
.btn{
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 600;
  padding: 9px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--rule-strong);
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
}
.btn.ghost{ background: transparent; }
.btn.small{ padding: 6px 10px; font-size: 12.5px; }
.btn.danger{ color: var(--danger); border-color: var(--danger); }
input[type=file]{ display:none; }

canvas#sketch{
  width: 100%;
  aspect-ratio: 16/9;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: #fff;
  touch-action: none;
  display:block;
}
.sketch-tools{
  display:flex; align-items:center; gap:10px;
  margin-top: 10px; flex-wrap: wrap;
}
.swatch{
  width:22px; height:22px; border-radius:50%;
  border: 2px solid transparent;
  cursor:pointer;
}
.swatch[aria-pressed="true"]{ border-color: var(--ink); }

.save-row{
  display:flex; gap:10px; margin-top: 6px;
}
.save-row .btn.primary{
  flex:1;
  background: var(--copper);
  border-color: var(--copper);
  color:#fff;
  padding: 12px;
  font-size: 15px;
}

.hint{ font-size: 12px; color: var(--ink-soft); margin-top: 6px; }

/* Carnet (list) */
.search{ margin-bottom: 12px; }
.search input{
  width:100%; padding: 10px 12px;
  border: 1px solid var(--rule); border-radius: var(--radius);
  font-family: var(--sans); font-size: 14.5px;
  background: var(--panel);
}
.list-actions{ display:flex; justify-content:space-between; align-items:center; margin-bottom: 12px; gap: 10px; flex-wrap: wrap; }
.export-btns{ display:flex; gap:8px; }
.count{ font-size:12.5px; color: var(--ink-soft); }

.fiche-card{
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 10px;
  cursor: pointer;
}
.fiche-card .row1{ display:flex; justify-content:space-between; align-items:flex-start; gap: 10px; }
.fiche-card .societe{ font-weight:700; font-size:15px; }
.fiche-card .meta{ color: var(--ink-soft); font-size: 12.5px; margin-top:2px; }
.badge{
  font-size: 11px; padding: 3px 9px; border-radius: 100px;
  background: var(--chip-bg); color: var(--ink-soft); white-space:nowrap;
}
.badge.Prospect{ background:#fdecdd; color:#8f4a17; }
.badge.Client{ background:#e2ede7; color:#356148; }
.badge.Fournisseur{ background:#e4eaf0; color:#33506e; }
.badge.Concurrent{ background:#f4e3e1; color:#8a382b; }

.empty{
  text-align:center; padding: 40px 20px; color: var(--ink-soft); font-size: 14px;
}

/* Detail overlay */
.overlay{
  position: fixed; inset:0; background: rgba(20,24,28,0.5);
  display:none; align-items:flex-end; justify-content:center; z-index: 50;
}
.overlay.open{ display:flex; }
.sheet{
  background: var(--bg);
  width: 100%; max-width: 640px;
  max-height: 88vh; overflow-y:auto;
  border-radius: 10px 10px 0 0;
  padding: 16px 14px 30px;
}
.sheet-head{ display:flex; justify-content:space-between; align-items:center; margin-bottom: 10px; }
.sheet-head h3{ margin:0; font-size:18px; }
.close-x{ background:none;border:none;font-size:22px;color:var(--ink-soft);cursor:pointer;line-height:1; }
.kv{ display:grid; grid-template-columns: 110px 1fr; gap: 6px 10px; font-size: 14px; padding: 5px 0; border-bottom: 1px solid var(--rule); }
.kv b{ color: var(--ink-soft); font-weight: 500; font-size: 12.5px; }
.sheet img.full{ width:100%; border-radius: var(--radius); border:1px solid var(--rule); margin-top:8px; }
.sheet-actions{ display:flex; gap:10px; margin-top: 16px; }

.toast{
  position: fixed; bottom: 22px; left:50%; transform: translateX(-50%);
  background: var(--ink); color:#fff; font-size: 13.5px;
  padding: 10px 18px; border-radius: 100px;
  opacity:0; pointer-events:none; transition: opacity .25s;
  z-index: 60;
}
.toast.show{ opacity: 1; }

/* Login screen */
.login-screen{
  min-height: 100vh;
  display:flex; align-items:center; justify-content:center;
  padding: 20px;
}
.login-card{
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 26px 22px;
  width: 100%; max-width: 360px;
}
.login-card h1{ font-size:22px; margin-bottom:4px; }
.login-card .subtitle{ margin-bottom:18px; }
.login-card .field{ margin-bottom:14px; }
.login-card .btn.primary{
  width:100%; background: var(--copper); border-color: var(--copper);
  color:#fff; padding:11px; font-size:14.5px; margin-top:4px;
}
.login-error{
  background:#f4e3e1; color:#8a382b; border:1px solid #e3b8b1;
  border-radius: var(--radius); padding:8px 10px; font-size:13px; margin-bottom:12px;
}