:root{
  --bg:#f6f5f1;--card:#ffffff;--ink:#1f2430;--muted:#6b7280;--line:#e6e4dd;
  --primary:#2f3e50;--primary-ink:#ffffff;--pos:#1f7a4d;--neg:#b23a3a;--warn-bg:#fff4e5;--ok-bg:#e9f6ee;
  --radius:12px;--shadow:0 1px 2px rgba(20,25,35,.05),0 8px 24px -12px rgba(20,25,35,.12);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1{font-size:1.6rem;font-weight:600;letter-spacing:-.01em;margin:.2rem 0 1rem}
h2{font-size:1.05rem;font-weight:600;margin:0 0 .75rem;color:var(--ink)}
.wrap{max-width:900px;margin:0 auto;padding:0 20px}
main.wrap{padding-top:24px;padding-bottom:48px}
.muted{color:var(--muted)}.small{font-size:.85rem}.nowrap{white-space:nowrap}
.pos{color:var(--pos)}.neg{color:var(--neg)}
.inline{display:inline}
.crumb{margin:0 0 .5rem;font-size:.9rem}.crumb a{color:var(--muted)}

/* topbar */
.topbar{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:56px}
.brand{font-weight:600;display:flex;align-items:center;gap:.5rem}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:var(--primary);color:#fff;font-weight:700;font-size:.95rem}
.brand.big .brand-mark{width:48px;height:48px;border-radius:14px;font-size:1.4rem;margin-bottom:.5rem}
nav{display:flex;align-items:center;gap:1.1rem;font-size:.95rem}
nav a{color:var(--muted);padding:.25rem 0;border-bottom:2px solid transparent}
nav a.on{color:var(--ink);border-color:var(--primary)}
.linklike{background:none;border:0;padding:0;color:var(--muted);cursor:pointer;font:inherit;font-size:.95rem}
.linklike:hover{color:var(--ink)}
.linklike.danger{color:var(--neg)}
.foot{color:var(--muted);font-size:.8rem;padding-bottom:32px;text-align:center}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.35rem;padding:.6rem 1rem;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--ink);font-weight:500;font-size:.95rem;cursor:pointer;box-shadow:0 1px 1px rgba(0,0,0,.03);transition:background .15s,transform .05s}
.btn:hover{background:#faf9f6}.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--primary);color:var(--primary-ink);border-color:var(--primary)}
.btn.primary:hover{background:#26334200;background:#253242}
.btn.ghost{background:transparent;border-color:transparent;color:var(--muted);box-shadow:none}
.btn.small{padding:.4rem .75rem;font-size:.85rem}
.btn.block{width:100%}
.actions{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center;margin:.5rem 0 1rem}
.page-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem}
.page-head h1{margin-bottom:.5rem}

/* flash */
.flash{padding:.7rem 1rem;border-radius:10px;margin:0 0 1rem;font-size:.95rem;border:1px solid transparent}
.flash-ok{background:var(--ok-bg);color:#155c3a;border-color:#cfe9da}
.flash-warn{background:var(--warn-bg);color:#8a4b00;border-color:#f7dfbf}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:.5rem 0 1.5rem}
.child-card{display:block;padding:18px 18px 16px;border-top:3px solid var(--accent);transition:transform .12s,box-shadow .12s}
.child-card:hover{transform:translateY(-2px);box-shadow:0 2px 4px rgba(20,25,35,.05),0 14px 30px -12px rgba(20,25,35,.18)}
.child-card.inactive{opacity:.6}
.card-top{display:flex;align-items:center;gap:.7rem;margin-bottom:.9rem}
.card-name{font-weight:600;font-size:1.05rem}
.avatar{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--accent,#4f6d8f);color:#fff;font-weight:600;flex:none}
.avatar.lg{width:56px;height:56px;font-size:1.4rem}
.balance{font-size:1.9rem;font-weight:600;letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.1;margin-bottom:.35rem}
.balance.xl{font-size:2.4rem}

/* hero enfant */
.hero{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);margin-bottom:.9rem}
.hero-left{display:flex;align-items:center;gap:1rem}
.hero h1{margin:0}
.hero-right{text-align:right}

/* sections & lists */
.section{margin-top:1.75rem}
.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}
.section-head h2{margin:0}
.movements,.list{list-style:none;margin:0;padding:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.movements li+li,.list li+li{border-top:1px solid var(--line)}
.mv{display:flex;align-items:center;gap:.8rem;padding:.8rem 1rem}
.mv:hover{background:#faf9f6}
.dot{width:10px;height:10px;border-radius:50%;flex:none}
.mv-main{flex:1;min-width:0;display:flex;flex-direction:column}
.mv-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mv-amount{font-variant-numeric:tabular-nums;font-weight:600;white-space:nowrap}

/* table */
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.table{width:100%;border-collapse:collapse;font-size:.95rem}
.table th,.table td{padding:.65rem .9rem;text-align:left;vertical-align:top}
.table th{font-weight:500;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--line)}
.table tbody tr+tr td{border-top:1px solid var(--line)}
.table .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.table td .linklike{font-size:.85rem;margin-left:.5rem}
.tag{display:inline-block;font-size:.7rem;padding:.05rem .45rem;border-radius:999px;margin-left:.4rem;background:#eef0f3;color:var(--muted);vertical-align:middle}
.tag-allowance{background:#e8eef5;color:#2f3e50}
.tag-deposit{background:var(--ok-bg);color:var(--pos)}
.tag-expense{background:#f9e9e9;color:var(--neg)}

/* forms */
.form{padding:20px}
.form label{display:block;margin-bottom:1rem;font-size:.9rem;color:var(--muted)}
.form label.check{display:flex;align-items:center;gap:.5rem;color:var(--ink);margin-top:1.6rem}
.form input[type=text],.form input[type=password],.form input[type=date],.form input[type=number],.form select{display:block;width:100%;margin-top:.3rem;padding:.6rem .75rem;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font:inherit;font-size:1rem}
.form input[type=color]{display:block;margin-top:.3rem;width:60px;height:40px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:2px}
.form input:focus,.form select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,62,80,.12)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form .hint{display:block;font-size:.8rem;color:var(--muted);margin-top:.3rem}
.form .actions{margin:.25rem 0 0}
.seg{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-bottom:1rem}
.seg-item{flex:1;margin:0!important}
.seg-item input{position:absolute;opacity:0}
.seg-item span{display:block;text-align:center;padding:.6rem;cursor:pointer;color:var(--muted);font-weight:500}
.seg-item input:checked+span{background:var(--primary);color:#fff}
.danger-zone{margin-top:1.5rem;text-align:right}
.empty{text-align:center;padding:2.5rem 1rem;color:var(--muted)}

/* graphique */
.chart-card{padding:14px 10px 8px;position:relative}
.chart{width:100%;height:auto;display:block;font-family:inherit}
.chart .grid{stroke:var(--line);stroke-width:1}
.chart .today{stroke:#c9c6bd;stroke-width:1;stroke-dasharray:2 3}
.chart .tick{fill:var(--muted);font-size:11px}
.chart .dl{fill:var(--ink);font-size:12px;font-weight:600}
.chart .dl.muted{fill:var(--muted);font-weight:500}
.chart .area{opacity:.08}
.chart .line{fill:none;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.chart .line.dashed{stroke-dasharray:5 5}
.chart .pt{fill:#fff;stroke-width:2;opacity:0;transition:opacity .12s}
.chart .pt.on{opacity:1}
.chart .hit{fill:transparent;cursor:crosshair}
.tip{position:absolute;background:var(--ink);color:#fff;font-size:.8rem;line-height:1.35;padding:.4rem .6rem;border-radius:8px;pointer-events:none;white-space:nowrap;box-shadow:var(--shadow)}
.tip .muted{color:#c7cbd3}
.chart-note{margin:.4rem .6rem 0}
.legend{display:inline-flex;align-items:center;gap:.45rem;font-size:.8rem;color:var(--muted)}
.lg-line{display:inline-block;width:18px;border-top:2px solid;margin-left:.4rem}
.lg-line.dashed{border-top-style:dashed}

/* mini courbe (accueil) */
.spark{width:100%;height:56px;display:block;margin:.4rem 0 .2rem}
.spark .grid{stroke:var(--line);stroke-width:1}
.spark .area{opacity:.1}
.spark .line{fill:none;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.spark .line.dashed{stroke-dasharray:4 4}
.spark-cap{margin-bottom:.35rem}
.spark-cap strong{color:var(--ink);font-weight:600}

/* règles */
.rules ul{margin:0;padding-left:1.2rem}
.rules li{margin-bottom:.6rem}
.rules h2{margin-bottom:.9rem}

/* login */
body.bare{display:flex;min-height:100vh;align-items:center;justify-content:center}
body.bare main{padding:24px;width:100%}
.login{display:flex;justify-content:center}
.login-card{width:100%;max-width:380px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:32px 28px;box-shadow:var(--shadow);text-align:center}
.login-card h1{margin:.25rem 0 .25rem}
.login-card p{margin:0 0 1.25rem}
.login-card form{text-align:left}
.login-card label{display:block;margin-bottom:1rem;font-size:.9rem;color:var(--muted)}
.login-card input{display:block;width:100%;margin-top:.3rem;padding:.65rem .75rem;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:1rem}
.login-card input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,62,80,.12)}

@media (max-width:600px){
  .wrap{padding:0 14px}
  nav{gap:.8rem;font-size:.9rem}
  .brand-text{display:none}
  .form .row{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .hero-right{text-align:left;width:100%}
  .table th:nth-child(4),.table td:nth-child(4){display:none}
  .balance.xl{font-size:2rem}
}