:root {
  --bg:#0b0d10;
  --card:#121620;
  --text:#e8eef6;
  --muted:#aab6c5;
  --line:#243043;
  --accent:#7dd3fc;
}

/* Reset & base */
*{ box-sizing:border-box; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background:var(--bg);
  color:var(--text);
}

a{ color:var(--accent); text-decoration:none; }
a:hover{ text-decoration:underline; }

/* Layout */
.container{ max-width:980px; margin:0 auto; padding:24px; }

.topbar{
  position:sticky;
  top:0;
  background:rgba(15, 23, 42, 0.15);
  backdrop-filter: blur(8px);
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px 18px;
}

.brand a{ font-weight:700; color:var(--text); }
.nav a{ margin-left:12px; color:var(--muted); }
.nav a.active{ color:var(--text); text-decoration:underline; }
.sep{ color:var(--line); margin-left:12px; }

/* Cards */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px;
  margin:16px 0;
}

/* Grid */
.grid{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width: 800px){
  .grid{ grid-template-columns:1fr; }
}

/* Forms */
label{
  display:block;
  margin:10px 0 6px;
  color:var(--muted);
}

input, select{
  width:100%;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#0f1320;
  color:var(--text);
}

button{
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#0f1320;
  color:var(--text);
  cursor:pointer;
}

button{
  cursor:pointer;
}
button:hover{ border-color:var(--accent); }

/* Flash messages */
.flash{
  padding:10px 12px;
  border-radius:12px;
  margin:12px 0;
  border:1px solid var(--line);
}
.flash.success{ border-color:#22c55e55; }
.flash.error{ border-color:#ef444455; }

.small{ color:var(--muted); font-size:.95rem; }

/* =========================
   Membres (liste soldes)
   ========================= */
.member-list{
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
}

.member-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:10px 12px;
}
.member-row + .member-row{
  border-top:1px solid rgba(255,255,255,.10);
}

.member-name{ font-weight:600; }
.member-balance{
  font-variant-numeric: tabular-nums;
}
.member-balance.pos{ color:#22c55e; }
.member-balance.neg{ color:#ef4444; }
.member-balance.zero{ color:var(--muted); }

/* =========================
   Dépenses (groupées par date)
   ========================= */
.expenses-by-day{
  display:flex;
  flex-direction:column;
  gap:14px;
}

.day-title{
  font-weight:700;
  letter-spacing:.2px;
  margin:0 0 8px 2px;
}

.expense-list{
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
}

.expense-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:10px 12px;
}
.expense-row + .expense-row{
  border-top:1px solid rgba(255,255,255,.10);
}

.expense-left{
  display:flex;
  gap:10px;
  align-items:flex-start;
  min-width:0;
}

.expense-icon{
  width:18px;
  height:18px;
  flex:0 0 auto;
  opacity:.85;
  margin-top:2px;
}

.expense-text{ min-width:0; }

.expense-desc{
  font-weight:700;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.expense-sub{
  margin-top:2px;
  font-size:.9rem;
  color:var(--muted);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.expense-sub b{ color:var(--text); }

.expense-amount{
  font-weight:700;
  font-variant-numeric: tabular-nums;
  white-space:nowrap;
}
.stats-grid{ display:grid; grid-template-columns:1fr 1fr; gap:12px; }
@media (max-width:800px){ .stats-grid{ grid-template-columns:1fr; } }

.stat-box{
  border:1px solid var(--line);
  border-radius:16px;
  padding:12px;
  background: rgba(255,255,255,0.02);
}
.stat-label{ color:var(--muted); font-size:.95rem; }
.stat-value{ font-weight:800; font-size:1.4rem; margin-top:4px; font-variant-numeric: tabular-nums; }

.podium{
  margin-top:12px;
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
}
.podium-row{
  display:flex; justify-content:space-between; align-items:center;
  padding:10px 12px;
}
.podium-row + .podium-row{ border-top:1px solid rgba(255,255,255,0.10); }
.podium-left{ display:flex; gap:10px; align-items:center; min-width:0; }
.podium-rank{
  width:26px; height:26px; border-radius:999px;
  display:flex; align-items:center; justify-content:center;
  font-weight:800; font-size:.9rem;
  border:1px solid rgba(255,255,255,0.18);
  opacity:.95;
}
.podium-name{ font-weight:700; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.podium-amount{ font-weight:800; font-variant-numeric: tabular-nums; white-space:nowrap; }

/* =========================
   Participants (expense_add)
   ========================= */

/* Participants "chips" */
.participant-chips{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap:10px;
  margin-top:8px;
}

.chip{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.02);
  cursor:pointer;
  user-select:none;
  transition: transform .08s ease, background .15s ease, border-color .15s ease;
}

.chip:hover{
  background: rgba(255,255,255,.05);
}

.chip:active{
  transform: scale(0.99);
}

/* cache l'input */
.chip input{ display:none; }

.chip__text{
  font-weight:700;
  text-align:center;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-width:100%;
}

/* état sélectionné */
.chip:has(input:checked){
  border-color: rgba(125,211,252,.65);
  background: rgba(125,211,252,.14);
}

/* petit check discret (optionnel) */
.chip:has(input:checked)::after{
  content:"✓";
  position:absolute;
  right:10px;
  top:50%;
  transform: translateY(-50%);
  font-weight:900;
  opacity:.9;
}

/* ===== Dashboard : cartes groupes ===== */
.groups-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap:12px;
}

.group-card{
  border:1px solid var(--line);
  border-radius:16px;
  background: rgba(255,255,255,.02);
  padding:14px;
  display:flex;
  flex-direction:column;
  gap:10px;
}

.group-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:10px;
}

.group-title{
  font-weight:800;
  font-size:1.05rem;
  line-height:1.2;
  margin:0;
}

.group-meta{
  color:var(--muted);
  font-size:.92rem;
  margin-top:4px;
}

.badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:4px 8px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  color:var(--muted);
  font-size:.85rem;
  white-space:nowrap;
}

.group-actions{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}

.btn{
  width:auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding:8px 10px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#0f1320;
  color:var(--text);
  cursor:pointer;
  text-decoration:none;
}

.btn:hover{ border-color:var(--accent); text-decoration:none; }

.btn.primary{
  border-color: rgba(125,211,252,.55);
  background: rgba(125,211,252,.10);
}

.group-foot{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:10px;
  margin-top:2px;
}

.group-sum{
  color:var(--muted);
  font-size:.92rem;
  min-width:0;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ===== Expense detail ===== */
.detail-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:12px;
  flex-wrap:wrap;
}

.kpi-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
@media (max-width:800px){ .kpi-grid{ grid-template-columns:1fr; } }

.kpi-card{
  border:1px solid var(--line);
  border-radius:16px;
  padding:12px;
  background: rgba(255,255,255,.02);
}
.kpi-title{ color:var(--muted); font-size:.92rem; }
.kpi-value{ font-weight:900; font-size:1.35rem; margin-top:4px; font-variant-numeric: tabular-nums; }

.price-orange{ color:#fb923c; } /* orange */
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  color:var(--muted);
  font-size:.85rem;
}

.list-soft{
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
}
.list-soft-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:10px 12px;
  gap:10px;
}
.list-soft-row + .list-soft-row{ border-top:1px solid rgba(255,255,255,.10); }