:root{
  --bg:#EDF0F2; --surface:#fff; --ink:#13232E; --muted:#5D6F7B; --line:#D8DFE4;
  --accent:#0E5F7A; --deep:#0B3B4D; --pos:#1B8A5A; --neg:#C0392B; --warn:#C98A12;
  --head:'Bricolage Grotesque',system-ui,sans-serif; --body:'Instrument Sans',system-ui,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0E171D; --surface:#16232C; --ink:#E6EEF2; --muted:#93A5B1; --line:#263842; --accent:#4FB3D1; --deep:#0B3B4D; --pos:#43C58B; --neg:#EE7B6C; --warn:#E3B04B}
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:var(--body);background:var(--bg);color:var(--ink);line-height:1.5;display:grid;grid-template-columns:230px 1fr;min-height:100vh}
h1,h2,h3{font-family:var(--head);margin:0;line-height:1.15}
a{color:var(--accent)}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.muted{color:var(--muted)} .small{font-size:.875rem} .neg{color:var(--neg)} .pos{color:var(--pos)}

/* Navigation */
.side{background:var(--surface);border-right:1px solid var(--line);padding:24px 16px;display:flex;flex-direction:column;gap:24px;position:sticky;top:0;height:100vh}
.brand{font-family:var(--head);font-weight:700;font-size:1.25rem;padding:0 8px}
#nav{display:flex;flex-direction:column;gap:2px}
#nav button{background:none;border:0;text-align:left;padding:10px 12px;border-radius:8px;color:var(--muted);font-weight:500}
#nav button:hover{background:var(--bg)}
#nav button.on{background:var(--deep);color:#fff}
.who{margin-top:auto;display:flex;flex-direction:column;gap:4px;font-size:.875rem;padding:0 8px}

/* Contenu */
.main{padding:24px 32px 80px;max-width:980px;width:100%}
.topbar{display:flex;justify-content:flex-end;margin-bottom:16px}
.months{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px}
.months button{width:34px;height:34px;border-radius:50%;border:0;background:none;color:var(--ink);font-size:1.25rem}
.months button:hover{background:var(--bg)}
.months strong{min-width:140px;text-align:center;text-transform:capitalize;font-weight:600}
.vh{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.vh h1{font-size:1.75rem}

/* Boutons / formulaires */
.primary,.ghost{border-radius:10px;padding:10px 18px;font-weight:600;border:1px solid transparent}
.primary{background:var(--accent);color:#fff}
.primary:hover{filter:brightness(1.08)}
.ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.ghost:hover{background:var(--bg)}
.link{background:none;border:0;color:var(--accent);padding:4px 6px;font-weight:500}
.link.danger{color:var(--neg)}
label{display:flex;flex-direction:column;gap:6px;font-size:.875rem;font-weight:500}
input,select,textarea{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);width:100%}
textarea{min-height:80px;resize:vertical}
.stack{display:flex;flex-direction:column;gap:14px}
.row{display:flex;gap:10px;flex-wrap:wrap}
.err{color:var(--neg);margin:0;font-size:.875rem}

/* Hero du tableau de bord */
.hero{background:var(--deep);color:#fff;border-radius:20px;padding:28px;margin-bottom:16px}
.hero-l{margin:0;opacity:.8}
.hero-n{font-family:var(--head);font-weight:700;font-size:clamp(2.25rem,7vw,3.75rem);margin:4px 0 14px;line-height:1.05}
.hero-n.neg{color:#FF9E91}
.hero .muted{color:rgba(255,255,255,.75)} .hero a{color:#9ADBF0}
.hero .row{margin-top:18px}
.hero .primary{background:#fff;color:var(--deep)} .hero .ghost{border-color:rgba(255,255,255,.4);color:#fff}
.bar{height:10px;background:rgba(255,255,255,.18);border-radius:99px;overflow:hidden;margin-bottom:8px}
.bar i{display:block;height:100%;background:#6FD3A3;border-radius:99px}
.bar i.warn{background:#F2C14E} .bar i.over{background:#FF8A7A}
.panel .bar{background:var(--line);height:8px}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:16px}
.stat,.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.stat span{display:block;color:var(--muted);font-size:.875rem}
.stat b{font-family:var(--head);font-size:1.4rem}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.panel{margin-bottom:12px} .panel h2{font-size:1.05rem;margin-bottom:12px}
.chart{width:100%;height:auto;display:block}
.chart text{fill:var(--muted);font-size:11px;font-family:var(--body)}
.legend{display:flex;gap:16px;font-size:.8rem;color:var(--muted);margin-top:6px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px}

/* Listes */
.list{display:flex;flex-direction:column}
.item{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.item:last-child{border-bottom:0}
.item .grow{flex:1;min-width:0}
.item .t{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.item .amt{font-family:var(--head);font-weight:700;white-space:nowrap}
.dot{width:10px;height:10px;border-radius:50%;flex:none}
.dot.revenu{background:var(--pos)} .dot.depense{background:var(--neg)}
.tag{font-size:.75rem;padding:2px 8px;border-radius:99px;background:var(--bg);color:var(--muted);font-weight:600}
.tag.att{background:#F7E7C4;color:#7A5200}
.acts{display:flex;gap:2px;flex-wrap:wrap}
.cat{padding:12px 0;border-bottom:1px solid var(--line)}
.cat:last-child{border-bottom:0}
.cat .top{display:flex;justify-content:space-between;gap:8px;margin-bottom:6px}
.empty{text-align:center;padding:40px 16px;color:var(--muted)}
.empty p{margin:0 0 14px}
.search{max-width:320px}

/* Fenêtre modale */
dialog.modal{border:0;border-radius:18px;padding:24px;width:min(460px,92vw);background:var(--surface);color:var(--ink);box-shadow:0 20px 60px rgba(0,0,0,.3)}
dialog.modal::backdrop{background:rgba(10,20,27,.55)}
dialog.modal form{display:flex;flex-direction:column;gap:14px}
dialog.modal .row{justify-content:flex-end}

#toast{position:fixed;left:50%;bottom:90px;transform:translate(-50%,20px);background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:99px;opacity:0;pointer-events:none;transition:.2s;font-size:.9rem;z-index:50}
#toast.show{opacity:1;transform:translate(-50%,0)}

/* Connexion */
body.auth{display:grid;place-items:center;grid-template-columns:1fr;padding:20px}
.auth-box{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:32px;width:min(420px,100%);display:flex;flex-direction:column;gap:14px}
.auth-box h1{font-size:1.75rem}

/* Mobile : navigation en bas */
@media (max-width:800px){
  body{grid-template-columns:1fr}
  .side{position:fixed;inset:auto 0 0 0;height:auto;flex-direction:row;padding:6px;border-right:0;border-top:1px solid var(--line);z-index:20}
  .brand,.who{display:none}
  #nav{flex-direction:row;width:100%;justify-content:space-between}
  #nav button{flex:1;text-align:center;padding:10px 2px;font-size:.72rem}
  .main{padding:16px 14px 90px}
  .grid2{grid-template-columns:1fr}
  .hero{padding:22px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* Montants $ + ariary */
.amount{display:inline-flex;flex-direction:column;align-items:flex-end;line-height:1.25;white-space:nowrap}
.amount b{font-family:var(--head);font-weight:700}
.amount small{color:var(--muted);font-size:.75rem;font-weight:400}
.stat .amount,.hero .amount{align-items:flex-start}
.stat small{display:block;color:var(--muted);font-size:.78rem}
.hero .amount b{font-size:clamp(2.25rem,7vw,3.75rem);line-height:1.05}
.hero .amount small{color:rgba(255,255,255,.8);font-size:1.05rem}
.hero .amount.neg b{color:#FF9E91}
.stat .amount b{font-size:1.35rem}
.ar-panel .stat b{font-size:1.15rem}
.wrap{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse;font-size:.95rem}
.tbl th{text-align:right;font-weight:600;color:var(--muted);font-size:.8rem;padding:8px 10px;border-bottom:1px solid var(--line)}
.tbl th:first-child,.tbl td:first-child{text-align:left}
.tbl td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:right;vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl tfoot td{font-weight:600;border-top:2px solid var(--line)}
.tbl .amount{align-items:flex-end}
.tbl tr.click{cursor:pointer} .tbl tr.click:hover td{background:var(--bg)}
.tbl .bar{margin:6px 0 0;min-width:90px}
.namebtn{background:none;border:0;padding:0;color:var(--ink);font-weight:600;text-align:left}
.namebtn:hover{color:var(--accent);text-decoration:underline}
.sub{display:flex;gap:8px;align-items:baseline;justify-content:space-between;margin-bottom:8px;flex-wrap:wrap}
.hidden{display:none!important}