:root {
  color-scheme: light dark;
  --bg: #f2f2f7;
  --sidebar: rgba(248,248,250,.82);
  --surface: #ffffff;
  --surface-2: #f7f7fa;
  --text: #111114;
  --muted: #71717a;
  --border: rgba(17,17,20,.08);
  --shadow: 0 12px 35px rgba(0,0,0,.06);
  --green: #34c759;
  --red: #ff3b30;
  --orange: #ff9500;
  --blue: #007aff;
  --purple: #af52de;
  --teal: #30b0c7;
  --radius: 24px;
}

html[data-theme="dark"] {
  --bg: #0c0c0e;
  --sidebar: rgba(24,24,27,.9);
  --surface: #1c1c1e;
  --surface-2: #262629;
  --text: #f5f5f7;
  --muted: #a1a1aa;
  --border: rgba(255,255,255,.09);
  --shadow: 0 15px 40px rgba(0,0,0,.22);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", Inter, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button { cursor: pointer; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 260px 1fr; }
.sidebar {
  position: sticky; top: 0; height: 100vh; padding: 24px 16px 18px;
  background: var(--sidebar); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px);
  border-right: 1px solid var(--border); display: flex; flex-direction: column; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; padding: 0 8px 26px; }
.brand-icon { width: 44px; height: 44px; border-radius: 12px; box-shadow: 0 4px 12px rgba(0,0,0,.12); }
.brand strong { display: block; font-size: 17px; }
.brand span { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
.nav { display: grid; gap: 6px; }
.nav-item { border: 0; background: transparent; color: var(--text); border-radius: 12px; padding: 10px 12px; text-align: left; display: flex; align-items: center; gap: 12px; font-weight: 550; }
.nav-item:hover { background: var(--surface-2); }
.nav-item.active { background: var(--surface); box-shadow: 0 1px 7px rgba(0,0,0,.06); }
.nav-icon { width: 24px; text-align: center; font-size: 20px; color: var(--muted); }
.nav-item.active .nav-icon { color: var(--blue); }
.sidebar-bottom { margin-top: auto; }
.profile-chip { width: 100%; border: 0; background: transparent; color: var(--text); border-radius: 16px; padding: 10px; display: flex; align-items: center; gap: 10px; text-align: left; }
.profile-chip:hover { background: var(--surface-2); }
.avatar { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; background: var(--surface); font-size: 24px; }
.profile-copy { min-width: 0; flex: 1; }
.profile-copy strong, .profile-copy small { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.profile-copy strong { font-size: 14px; }.profile-copy small { color: var(--muted); margin-top: 2px; }.chevron{color:var(--muted);font-size:20px;}

.main { min-width: 0; padding: 32px clamp(24px, 5vw, 72px) 60px; }
.topbar { max-width: 1180px; margin: 0 auto 28px; display: flex; justify-content: space-between; align-items: end; gap: 20px; }
.eyebrow { margin: 0 0 4px; color: var(--muted); font-size: 13px; font-weight: 650; }
h1 { margin: 0; font-size: clamp(30px, 4vw, 42px); letter-spacing: -.04em; }
.top-actions { display: flex; gap: 10px; }
.icon-button,.primary-button,.secondary-button,.danger-button { border: 0; border-radius: 14px; min-height: 42px; font-weight: 650; }
.icon-button { width: 42px; background: var(--surface); color: var(--text); font-size: 20px; box-shadow: 0 1px 8px rgba(0,0,0,.05); }
.primary-button { padding: 0 16px; background: var(--blue); color: white; box-shadow: 0 7px 18px rgba(0,122,255,.22); }
.secondary-button { padding: 0 16px; background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.danger-button { padding: 0 16px; color: white; background: var(--red); }

.view { max-width: 1180px; margin: 0 auto; animation: viewIn .2s ease; }
@keyframes viewIn { from{opacity:.35;transform:translateY(4px)} to{opacity:1;transform:none} }
.hidden { display: none !important; }
.center-state { min-height: 52vh; display: grid; place-items: center; align-content: center; gap: 12px; color: var(--muted); text-align: center; }
.center-state p { margin: 0; }.center-state.error strong{color:var(--text)}
.spinner { width: 26px; height: 26px; border: 3px solid var(--border); border-top-color: var(--blue); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.grid { display: grid; gap: 16px; }
.dashboard-grid { grid-template-columns: 1.35fr .65fr; align-items: start; }
.stack { display: grid; gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-inner { padding: 22px; }
.hero-card { padding: clamp(24px,4vw,34px); position: relative; overflow: hidden; min-height: 220px; display: flex; flex-direction: column; justify-content: space-between; background: color-mix(in srgb, var(--surface) 90%, var(--blue) 10%); }
.hero-card::after { content:""; position:absolute; width:220px; height:220px; border-radius:50%; right:-65px; top:-85px; background: radial-gradient(circle, rgba(0,122,255,.14), transparent 68%); }
.label { color: var(--muted); font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 7px; }
.balance { font-size: clamp(40px,5vw,62px); font-weight: 760; letter-spacing: -.055em; margin: 10px 0; font-variant-numeric: tabular-nums; }
.status-positive,.status-negative { display: inline-flex; align-items:center; gap:6px; font-size:13px; font-weight:700; }
.status-positive{color:var(--green)}.status-negative{color:var(--red)}
.stat-grid { grid-template-columns: repeat(2,1fr); }
.stat-card { padding: 20px; min-height: 136px; }
.stat-icon { width: 36px; height: 36px; display:grid; place-items:center; border-radius:50%; font-weight:800; margin-bottom:14px; }
.stat-icon.income { color:var(--green); background: color-mix(in srgb, var(--green) 13%, transparent); }
.stat-icon.expense { color:var(--red); background: color-mix(in srgb, var(--red) 13%, transparent); }
.stat-value { display:block; font-size:21px; font-weight:730; margin-top:5px; letter-spacing:-.02em; font-variant-numeric:tabular-nums; }
.section-title-row { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:16px; }
.section-title-row h2,.section-title-row h3{margin:0;font-size:18px;letter-spacing:-.02em}.section-title-row p{margin:3px 0 0;color:var(--muted);font-size:12px}
.pill { border:1px solid var(--border); background:var(--surface-2); color:var(--text); border-radius:999px; padding:8px 12px; font-size:12px; font-weight:650; }
.budget-row { display:flex;justify-content:space-between;align-items:center;gap:15px; }
.budget-percent { font-size:22px;font-weight:750;font-variant-numeric:tabular-nums; }
.progress { height:9px;border-radius:999px;background:var(--surface-2);overflow:hidden;margin:16px 0 10px; }
.progress > div { height:100%;border-radius:inherit;background:var(--blue);transition:width .35s ease; }.progress > div.warn{background:var(--orange)}.progress > div.over{background:var(--red)}
.muted { color:var(--muted); }.small{font-size:12px}.amount{font-variant-numeric:tabular-nums;font-weight:700}.income-text{color:var(--green)}.expense-text{color:var(--red)}

.transaction-list { display:grid; }
.transaction-row { width:100%; border:0; background:transparent; color:var(--text); display:grid; grid-template-columns:auto 1fr auto; gap:13px; align-items:center; padding:13px 0; text-align:left; border-bottom:1px solid var(--border); }
.transaction-row:last-child { border-bottom:0; }.transaction-row:hover .transaction-icon{transform:scale(1.04)}
.transaction-icon { width:42px;height:42px;border-radius:13px;background:var(--surface-2);display:grid;place-items:center;font-size:21px;transition:.15s ease; }
.transaction-main strong { display:block;font-size:14px; }.transaction-main span{display:block;color:var(--muted);font-size:12px;margin-top:3px}.transaction-amount{text-align:right}.transaction-amount strong,.transaction-amount span{display:block}.transaction-amount span{color:var(--muted);font-size:11px;margin-top:3px}
.empty { padding:42px 20px;text-align:center;color:var(--muted); }.empty .big{font-size:40px;margin-bottom:8px}.empty strong{display:block;color:var(--text);margin-bottom:5px}

.chart-wrap { height:220px; position:relative; } canvas { width:100%; height:100%; }

.toolbar-card { padding:14px; display:flex; gap:12px; align-items:center; margin-bottom:16px; }
.search { flex:1; min-width:180px; border:0; outline:0; background:var(--surface-2); color:var(--text); border-radius:12px; padding:11px 13px; }
.segmented { display:inline-flex; padding:3px; background:var(--surface-2); border-radius:11px; gap:2px; }
.segmented button { border:0;background:transparent;color:var(--muted);border-radius:9px;padding:8px 11px;font-size:12px;font-weight:650; }.segmented button.active{background:var(--surface);color:var(--text);box-shadow:0 1px 5px rgba(0,0,0,.08)}
.transactions-card { padding:6px 20px; }

.stats-layout { grid-template-columns: 1fr 1fr; }
.summary-grid { grid-template-columns:repeat(3,1fr); }
.summary-item { padding:18px;background:var(--surface-2);border-radius:18px; }.summary-item span{display:block;color:var(--muted);font-size:12px;margin-bottom:6px}.summary-item strong{font-size:18px}
.donut-row { display:grid;grid-template-columns:180px 1fr;gap:24px;align-items:center; }.donut { width:170px;height:170px;border-radius:50%;position:relative;background:var(--surface-2); }.donut::after{content:"";position:absolute;inset:30px;border-radius:50%;background:var(--surface)}.donut-center{position:absolute;inset:0;display:grid;place-items:center;z-index:1;text-align:center;pointer-events:none}.donut-center strong{display:block;font-size:17px}.donut-center span{display:block;font-size:10px;color:var(--muted);margin-top:3px}.legend{display:grid;gap:10px}.legend-item{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:9px;font-size:12px}.dot{width:9px;height:9px;border-radius:50%}

.form-card { padding:8px 22px; }.form-row { display:grid;grid-template-columns:1fr minmax(180px,320px);gap:20px;align-items:center;padding:18px 0;border-bottom:1px solid var(--border) }.form-row:last-child{border-bottom:0}.form-row label strong{display:block;font-size:14px}.form-row label span{display:block;color:var(--muted);font-size:12px;margin-top:3px}.input,.select { width:100%;border:1px solid var(--border);background:var(--surface-2);color:var(--text);border-radius:12px;padding:11px 12px;outline:none }.input:focus,.select:focus{border-color:color-mix(in srgb,var(--blue) 50%,transparent);box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 12%,transparent)}
.settings-actions{display:flex;justify-content:flex-end;margin-top:16px}
.switch { position:relative;width:46px;height:27px;background:#c7c7cc;border-radius:999px;border:0;padding:0;justify-self:end }.switch::after{content:"";position:absolute;width:23px;height:23px;border-radius:50%;background:white;left:2px;top:2px;box-shadow:0 1px 4px rgba(0,0,0,.25);transition:.18s}.switch.on{background:var(--green)}.switch.on::after{transform:translateX(19px)}

.modal-backdrop { position:fixed;inset:0;background:rgba(0,0,0,.34);backdrop-filter:blur(7px);display:grid;place-items:center;padding:20px;z-index:50; }
.modal { width:min(560px,100%);max-height:min(820px,92vh);overflow:auto;background:var(--bg);border:1px solid var(--border);border-radius:28px;box-shadow:0 30px 90px rgba(0,0,0,.3); }
.modal-header { position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:18px 20px;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(24px);border-bottom:1px solid var(--border) }.modal-header h2{margin:0;font-size:18px}.close-button{width:32px;height:32px;border:0;border-radius:50%;background:var(--surface-2);color:var(--text);font-size:18px}.modal-body{padding:20px}.field-group{margin-bottom:18px}.field-label{display:block;color:var(--muted);font-size:12px;font-weight:650;margin:0 0 8px 3px}.amount-input-wrap{display:flex;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:12px 16px}.amount-input{min-width:0;width:100%;border:0;outline:0;background:transparent;color:var(--text);font-size:32px;font-weight:750;letter-spacing:-.04em}.amount-input-wrap span{font-size:18px;color:var(--muted);font-weight:650}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.category-option{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:15px;padding:12px 8px;text-align:center}.category-option span{display:block;font-size:23px;margin-bottom:5px}.category-option small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.category-option.active{border-color:var(--blue);box-shadow:0 0 0 2px color-mix(in srgb,var(--blue) 12%,transparent)}.modal-actions{display:flex;gap:10px;margin-top:24px}.modal-actions>*{flex:1}.modal .segmented{width:100%}.modal .segmented button{flex:1;padding:10px}.delete-link{display:block;width:100%;border:0;background:transparent;color:var(--red);padding:14px;margin-top:8px;font-weight:650}
.avatar-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}.avatar-option{aspect-ratio:1;border:1px solid var(--border);background:var(--surface);border-radius:50%;font-size:28px}.avatar-option.active{border-color:var(--blue);background:color-mix(in srgb,var(--blue) 10%,var(--surface))}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:100;background:rgba(20,20,22,.92);color:white;padding:11px 16px;border-radius:999px;font-size:13px;font-weight:650;box-shadow:0 10px 30px rgba(0,0,0,.22);animation:toastIn .2s ease}@keyframes toastIn{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}

@media (max-width: 900px) {
  .app-shell{grid-template-columns:1fr}.sidebar{position:fixed;left:12px;right:12px;bottom:12px;top:auto;height:auto;padding:6px;display:block;border:1px solid var(--border);border-radius:20px;background:color-mix(in srgb,var(--sidebar) 93%,transparent);box-shadow:0 10px 40px rgba(0,0,0,.18)}.brand,.sidebar-bottom{display:none}.nav{display:grid;grid-template-columns:repeat(4,1fr);gap:3px}.nav-item{padding:9px 3px;justify-content:center;display:flex;flex-direction:column;gap:3px;font-size:10px}.nav-icon{font-size:18px;width:auto}.main{padding:24px 16px 100px}.topbar{align-items:center}.top-actions .primary-button{font-size:0;width:44px;padding:0}.top-actions .primary-button span{font-size:20px}.dashboard-grid,.stats-layout{grid-template-columns:1fr}.donut-row{grid-template-columns:1fr;justify-items:center}.legend{width:100%}.form-row{grid-template-columns:1fr;gap:10px}.toolbar-card{flex-wrap:wrap}.search{flex-basis:100%}.summary-grid{grid-template-columns:1fr}.category-grid{grid-template-columns:repeat(2,1fr)}
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) { --bg:#0c0c0e;--sidebar:rgba(24,24,27,.9);--surface:#1c1c1e;--surface-2:#262629;--text:#f5f5f7;--muted:#a1a1aa;--border:rgba(255,255,255,.09);--shadow:0 15px 40px rgba(0,0,0,.22); }
}