:root{--bg:#f4f1ec;--card:#fff;--card-soft:#fff7ed;--text:#111827;--muted:#6b7280;--line:#e5e7eb;--accent:#f59e0b;--accent-dark:#d97706;--danger:#dc2626;--radius:24px;--shadow:0 18px 55px #11182714}*{box-sizing:border-box}html{background:var(--bg)}body{min-height:100vh;color:var(--text);background:radial-gradient(circle at top left, #f59e0b2e, transparent 34rem), var(--bg);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select{font:inherit}button{cursor:pointer}.page-shell{width:min(980px,100%);margin:0 auto;padding:22px 16px 80px}.app-header,.section-title,.category-row-top,.expense-item,.expense-main,.expense-side{align-items:center;display:flex}.app-header{justify-content:space-between;gap:16px;margin-bottom:18px}h1,h2,h3,p{margin:0}h1{letter-spacing:-.08em;font-size:clamp(2rem,12vw,4.5rem);line-height:.92}h2{letter-spacing:-.03em;font-size:1.15rem}h3{letter-spacing:-.02em;font-size:1rem}.eyebrow{color:var(--accent-dark);letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px;font-size:.75rem;font-weight:900}.muted,.empty{color:var(--muted)}.muted{margin-top:10px}.quick-card,.panel,.stat-card,.login-card{border-radius:var(--radius);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#ffffffd6;border:1px solid #e5e7ebe6}.quick-card,.panel,.login-card{padding:18px}.quick-card{z-index:2;position:sticky;top:12px}.section-title{justify-content:space-between;gap:14px;margin-bottom:14px}.section-title span{color:var(--muted);font-size:.86rem;font-weight:700}.expense-form,.stack-form,.filters{gap:12px;display:grid}.form-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}label{color:var(--muted);gap:7px;font-size:.8rem;font-weight:800;display:grid}input,select{border:1px solid var(--line);width:100%;min-height:48px;color:var(--text);background:#fff;border-radius:16px;outline:none;padding:0 14px}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 4px #f59e0b29}.amount-input{position:relative}.amount-input input{padding-right:42px;font-size:1.4rem;font-weight:900}.amount-input span{color:var(--muted);font-weight:900;position:absolute;top:50%;right:15px;transform:translateY(-50%)}.button,.ghost-button,.delete-button{border:0;border-radius:999px;font-weight:900}.button{background:var(--text);color:#fff;min-height:52px;padding:0 18px}.ghost-button{border:1px solid var(--line);min-height:40px;color:var(--text);background:#ffffffad;padding:0 14px}.delete-button{color:var(--danger);background:#fee2e2;padding:7px 10px;font-size:.75rem}.stats-grid{grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0;display:grid}.stat-card{padding:16px}.stat-card span{color:var(--muted);margin-bottom:8px;font-size:.78rem;font-weight:800;display:block}.stat-card strong{letter-spacing:-.05em;font-size:clamp(1.05rem,4vw,1.6rem);display:block}.panel+.panel{margin-top:16px}.category-list,.expense-list{gap:10px;display:grid}.category-row{gap:8px;display:grid}.category-row-top{justify-content:space-between;gap:14px;font-size:.95rem}.bar-track{background:#f3f4f6;border-radius:999px;height:9px;overflow:hidden}.bar-fill{border-radius:inherit;background:linear-gradient(90deg, var(--accent), #111827);height:100%}.filters{grid-template-columns:1.4fr 1fr 1fr auto;margin-bottom:14px}.expense-item{border:1px solid var(--line);background:#ffffffb8;border-radius:20px;justify-content:space-between;gap:14px;padding:12px}.expense-main{gap:12px;min-width:0}.expense-icon{background:var(--card-soft);border-radius:15px;flex:none;place-items:center;width:44px;height:44px;font-size:1.15rem;display:grid}.expense-main h3{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.expense-main p{color:var(--muted);margin-top:4px;font-size:.85rem}.expense-side{flex-direction:column;align-items:flex-end;gap:8px}.expense-side strong{white-space:nowrap}.login-page{place-items:center;min-height:100vh;padding:18px;display:grid}.login-card{width:min(420px,100%)}.alert{color:var(--danger);background:#fee2e2;border-radius:16px;margin:16px 0;padding:12px;font-weight:800}.quick-card-collapsible{padding:0;overflow:hidden}.quick-card-summary{cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;gap:14px;padding:18px;list-style:none;display:flex}.quick-card-summary::-webkit-details-marker{display:none}.quick-card-summary p{color:var(--muted);margin-top:4px;font-size:.82rem;font-weight:800}.summary-toggle{border:1px solid var(--line);min-height:38px;color:var(--text);background:#ffffffb3;border-radius:999px;flex:none;justify-content:center;align-items:center;padding:0 13px;font-size:.82rem;font-weight:900;display:inline-flex}.summary-toggle:before{content:"Réduire"}.quick-card-collapsible:not([open]) .summary-toggle:before{content:"Ajouter"}.quick-card-body{padding:0 18px 18px}@media (max-width:740px){.page-shell{padding-inline:12px}.app-header{align-items:flex-start}.quick-card{padding:16px;top:8px}.stats-grid,.filters,.form-grid{grid-template-columns:1fr}.expense-item{align-items:flex-start}.expense-side{flex-shrink:0}.quick-card-collapsible{padding:0}.quick-card-summary{padding:16px}.quick-card-body{padding:0 16px 16px}}