/* ---------- Tokens ---------- */
:root{
  --bg:        #0e1116;
  --surface:   #161b22;
  --surface-2: #1c232d;
  --border:    #2a333f;
  --ink:       #e8edf2;
  --muted:     #8b98a5;
  --faint:     #5b6875;
  --accent:    #34d399;
  --accent-ink:#04140d;
  --warn:      #fbbf24;
  --danger:    #f87171;
  --info:      #60a5fa;
  --violet:    #a78bfa;
  --radius:    14px;
  --radius-sm: 9px;
  --shadow:    0 6px 24px rgba(0,0,0,.35);
  --font-num:  "SF Mono","Cascadia Code","JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
}
html[data-theme="light"]{
  --bg:        #f4f6f9;
  --surface:   #ffffff;
  --surface-2: #eef1f5;
  --border:    #dbe2ea;
  --ink:       #182230;
  --muted:     #5b6875;
  --faint:     #94a3b0;
  --accent:    #059669;
  --shadow:    0 6px 20px rgba(20,30,50,.08);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
[hidden]{display:none !important}
body{
  background:var(--bg);color:var(--ink);
  font-family:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased;
}
button{font-family:inherit}
input,select{font-family:inherit}

/* ---------- Layout ---------- */
.app{max-width:1320px;margin:0 auto;padding:28px 28px 96px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:26px}
.brand{display:flex;align-items:center;gap:12px}
.brand .mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--accent),#0ea5e9);
  display:grid;place-items:center;font-weight:700;font-size:17px;color:var(--accent-ink);
  font-family:var(--font-num);
}
.brand h1{font-size:18px;font-weight:650;margin:0;letter-spacing:.2px}
.brand p{margin:0;font-size:12px;color:var(--muted)}
.top-right{display:flex;align-items:center;gap:10px}

.month-picker{
  display:flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--border);
  padding:6px 10px;border-radius:10px;
}
.month-picker .nav-btn{
  background:transparent;border:none;color:var(--muted);font-size:16px;
  cursor:pointer;padding:2px 8px;border-radius:6px;line-height:1;
}
.month-picker .nav-btn:hover{background:var(--surface-2);color:var(--ink)}
.month-label{display:flex;flex-direction:column;align-items:center;min-width:130px}
.month-label strong{font-family:var(--font-num);font-size:13px;font-weight:600}
.month-label span{font-size:11px;color:var(--faint)}
.gear{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--border);
  background:var(--surface);color:var(--ink);cursor:pointer;font-size:15px;
}
.gear:hover{background:var(--surface-2)}

/* Popover */
.popover{
  position:absolute;right:28px;top:78px;z-index:40;
  background:var(--surface);border:1px solid var(--border);border-radius:12px;
  padding:14px 16px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:12px;font-size:12.5px;min-width:230px;
}
.popover .row{display:flex;justify-content:space-between;align-items:center;gap:12px}
.pop-actions{display:flex;justify-content:space-between;gap:8px;border-top:1px solid var(--border);padding-top:10px}

/* ---------- Buttons ---------- */
.btn{
  border-radius:9px;border:1px solid var(--border);padding:9px 16px;
  font-size:13px;font-weight:600;cursor:pointer;transition:filter .15s, background .15s;
}
.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:transparent}
.btn-primary:hover{filter:brightness(1.08)}
.btn-primary:disabled{opacity:.45;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--muted)}
.btn.ghost:hover{background:var(--surface-2);color:var(--ink)}
.btn.danger{color:var(--danger)}
.btn.danger:hover{background:color-mix(in srgb,var(--danger) 12%,transparent);color:var(--danger)}
.mini-btn{
  width:22px;height:22px;border-radius:6px;border:1px solid var(--border);
  background:transparent;color:var(--muted);cursor:pointer;font-size:14px;line-height:1;
}
.mini-btn:hover{background:var(--accent);color:var(--accent-ink);border-color:transparent}

/* ---------- Lock screen ---------- */
.lock{
  position:fixed;inset:0;z-index:100;display:grid;place-items:center;
  background:var(--bg);
}
.lock-card{
  background:var(--surface);border:1px solid var(--border);border-radius:18px;
  padding:40px 44px;box-shadow:var(--shadow);text-align:center;width:320px;
  display:flex;flex-direction:column;gap:10px;
}
.lock-mark{
  width:52px;height:52px;border-radius:14px;margin:0 auto;
  background:linear-gradient(135deg,var(--accent),#0ea5e9);
  display:grid;place-items:center;font-family:var(--font-num);font-size:24px;font-weight:700;color:var(--accent-ink);
}
.lock-card h1{font-size:19px;margin:4px 0 0}
.lock-card p{font-size:12.5px;color:var(--muted);margin:0 0 10px}
.lock-card input{
  background:var(--surface-2);border:1px solid var(--border);border-radius:9px;
  color:var(--ink);font-size:20px;font-family:var(--font-num);text-align:center;
  padding:11px;letter-spacing:.35em;
}
.lock-card input:focus{outline:2px solid var(--accent);outline-offset:1px}
.lock-err{color:var(--danger);font-size:12px;font-weight:600}

/* ---------- KPI row ---------- */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.kpi{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);
}
.kpi .label{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:8px;display:flex;justify-content:space-between;gap:8px}
.kpi .value{font-family:var(--font-num);font-size:27px;font-weight:600;letter-spacing:-.5px}
.kpi .sub{font-size:12px;color:var(--muted);margin-top:6px}
.kpi .delta{font-family:var(--font-num);font-size:11px;padding:2px 7px;border-radius:20px;font-weight:600;white-space:nowrap}
.delta.up{color:var(--accent);background:color-mix(in srgb,var(--accent) 14%,transparent)}
.delta.down{color:var(--danger);background:color-mix(in srgb,var(--danger) 14%,transparent)}
.delta.warn{color:var(--warn);background:color-mix(in srgb,var(--warn) 14%,transparent)}

/* ---------- Cards & grids ---------- */
.grid{display:grid;grid-template-columns:1.6fr 1fr;gap:16px;margin-bottom:16px}
.grid-3{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:16px}
.card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
}
.card h2{
  font-size:13px;font-weight:650;margin:0 0 4px;letter-spacing:.02em;
  display:flex;justify-content:space-between;align-items:center;gap:10px;
}
.card h2 small{font-size:11px;color:var(--faint);font-weight:500;letter-spacing:.04em}
.card .desc{font-size:12px;color:var(--muted);margin:0 0 16px}

/* Chart */
.chart-wrap{position:relative;flex:1;min-height:250px}
canvas{position:absolute;inset:0;width:100%;height:100%}
.legend{display:flex;gap:18px;margin-top:14px;font-size:12px;color:var(--muted)}
.legend .item{display:flex;align-items:center;gap:7px}
.legend .dot{width:9px;height:9px;border-radius:3px}

/* Category list */
.cat-list{display:flex;flex-direction:column;gap:4px}
.cat-row{display:grid;grid-template-columns:22px 1fr auto;gap:12px;align-items:center;padding:10px 6px;border-radius:var(--radius-sm);transition:background .15s}
.cat-row:hover{background:var(--surface-2)}
.cat-ico{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:14px;font-family:var(--font-num);font-weight:600}
.cat-body .cat-top{display:flex;justify-content:space-between;font-size:13px;margin-bottom:5px;gap:10px}
.cat-body .cat-name{font-weight:600}
.cat-body .cat-amt{font-family:var(--font-num);font-size:12.5px;color:var(--muted)}
.cat-body .cat-amt b{color:var(--ink);font-weight:600}
.cat-body .cat-amt .budget-edit{
  background:var(--surface-2);border:1px solid var(--border);border-radius:6px;
  color:var(--ink);font-family:var(--font-num);font-size:12px;padding:2px 6px;width:86px;text-align:right;
}
.budget-edit:focus{outline:2px solid var(--accent);outline-offset:1px}
.bar{height:6px;border-radius:4px;background:var(--surface-2);overflow:hidden;position:relative}
html[data-theme="light"] .bar{background:#e2e8f0}
.bar .fill{height:100%;border-radius:4px;transition:width .6s cubic-bezier(.3,.7,.3,1)}
.cat-flag{font-size:10px;font-family:var(--font-num);font-weight:700;padding:2px 8px;border-radius:20px;letter-spacing:.05em}
.flag-ok{color:var(--accent);background:color-mix(in srgb,var(--accent) 13%,transparent)}
.flag-warn{color:var(--warn);background:color-mix(in srgb,var(--warn) 15%,transparent)}
.flag-over{color:var(--danger);background:color-mix(in srgb,var(--danger) 15%,transparent)}

/* Transactions */
.tx-list{display:flex;flex-direction:column;max-height:430px;overflow-y:auto}
.tx{
  display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:center;
  padding:9px 8px;border-bottom:1px solid var(--border);border-radius:8px;cursor:pointer;
}
.tx:hover{background:var(--surface-2)}
.tx:last-child{border-bottom:none}
.tx-ico{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;font-size:13px;background:var(--surface-2)}
.tx .tx-name{font-size:13px;font-weight:600}
.tx .tx-meta{font-size:11.5px;color:var(--faint)}
.tx .tx-amt{font-family:var(--font-num);font-size:13px;font-weight:600;white-space:nowrap}
.tx .tx-amt.pos{color:var(--accent)}

/* Donut */
.donut-wrap{display:flex;align-items:center;gap:20px}
.donut{position:relative;width:150px;height:150px;flex-shrink:0}
.donut svg{transform:rotate(-90deg)}
.donut .center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.donut .center .big{font-family:var(--font-num);font-size:20px;font-weight:700}
.donut .center .small{font-size:10.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
.donut-legend{display:flex;flex-direction:column;gap:7px;font-size:12px;flex:1}
.dl-row{display:flex;align-items:center;gap:9px}
.dl-row .dot{width:8px;height:8px;border-radius:3px;flex-shrink:0}
.dl-row .name{flex:1;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dl-row .pct{font-family:var(--font-num);font-weight:600}

/* Goals */
.goal{margin-bottom:16px;cursor:pointer;border-radius:10px;padding:6px}
.goal:hover{background:var(--surface-2)}
.goal:last-child{margin-bottom:0}
.goal .g-top{display:flex;justify-content:space-between;font-size:13px;margin-bottom:6px;gap:10px}
.goal .g-name{font-weight:600}
.goal .g-amt{font-family:var(--font-num);font-size:12px;color:var(--muted);white-space:nowrap}
.goal .g-amt b{color:var(--ink)}
.goal .g-note{font-size:11px;color:var(--faint);margin-top:4px}

/* Save bar */
.savebar{
  position:fixed;bottom:0;left:0;right:0;z-index:30;
  display:flex;align-items:center;justify-content:flex-end;gap:16px;
  padding:12px 28px;background:color-mix(in srgb,var(--surface) 92%,transparent);
  backdrop-filter:blur(8px);border-top:1px solid var(--border);
}
.save-status{font-size:12.5px;color:var(--muted);font-family:var(--font-num)}
.save-status.dirty{color:var(--warn)}

/* Modal */
.modal-back{
  position:fixed;inset:0;z-index:60;display:grid;place-items:center;
  background:rgba(5,8,12,.6);backdrop-filter:blur(3px);
}
.modal{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:24px;width:400px;max-width:92vw;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:14px;
}
.modal h3{margin:0;font-size:16px}
.modal label{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--muted);font-weight:600}
.modal input,.modal select{
  background:var(--surface-2);border:1px solid var(--border);border-radius:9px;
  color:var(--ink);font-size:14px;padding:9px 11px;
}
.modal input:focus,.modal select:focus{outline:2px solid var(--accent);outline-offset:1px}
.modal-2col{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.modal-actions{display:flex;align-items:center;gap:10px;margin-top:4px}
.spacer{flex:1}

/* Toast */
.toast{
  position:fixed;bottom:86px;left:50%;transform:translateX(-50%);z-index:80;
  background:var(--ink);color:var(--bg);font-size:13px;font-weight:600;
  padding:10px 20px;border-radius:30px;box-shadow:var(--shadow);
}
.toast.err{background:var(--danger);color:#fff}

/* Empty state */
.empty{text-align:center;color:var(--faint);font-size:13px;padding:26px 10px}

/* Responsive */
@media (max-width:1020px){
  .kpis{grid-template-columns:repeat(2,1fr)}
  .grid,.grid-3{grid-template-columns:1fr}
}
@media (max-width:560px){
  .kpis{grid-template-columns:1fr}
  .app{padding:18px 14px 90px}
  .month-label{min-width:0}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}