/* SmartBalance — calm, disciplined money UI. Tabular figures, equilibrium motif. */
:root{
  --bg:#eef2ec; --surface:#ffffff; --surface-2:#f4f7f2; --border:#dde4da;
  --text:#19231e; --dim:#5d6b62; --faint:#8a978d;
  --brand:#1f6f5c; --brand-soft:#e4f0ea; --brand-deep:#143f34;
  --income:#1f8a5b; --expense:#c0673c; --warn:#c9941f; --danger:#bb3f2c;
  --save:#2c9d8a; --shadow:0 1px 2px rgba(20,40,30,.04),0 8px 24px rgba(20,40,30,.06);
  --r:14px; --r-sm:10px;
  --mono:"SFMono-Regular",ui-monospace,"Cascadia Mono",Menlo,Consolas,monospace;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
[data-theme="dark"]{
  --bg:#0e1411; --surface:#161d18; --surface-2:#1d251f; --border:#2a342c;
  --text:#e7ede8; --dim:#9eaca2; --faint:#728277;
  --brand:#43b394; --brand-soft:#16271f; --brand-deep:#9fe0cc;
  --income:#4cc38a; --expense:#e08a5f; --warn:#e0b34d; --danger:#e0705a;
  --save:#46c2ac; --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  background:var(--bg);color:var(--text);font-family:var(--sans);
  font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;
  font-feature-settings:"ss01";
}
.mono,.ff-num,.stat-num,.li-amt{font-variant-numeric:tabular-nums lining-nums}
h1,h2,h3{margin:0;letter-spacing:-.01em}
h3{font-size:1.02rem;font-weight:650}
button{font-family:inherit;cursor:pointer}
a,.link{color:var(--brand);text-decoration:none}
.muted{color:var(--dim)} .faint{color:var(--faint)}
.sm{font-size:.82rem}
.pos{color:var(--income)} .neg{color:var(--danger)} .cap{text-transform:capitalize}
.r{text-align:right}

/* layout shell */
.app{display:grid;grid-template-columns:248px 1fr;height:100vh;overflow:hidden}
.sidebar{
  background:var(--surface);border-right:1px solid var(--border);
  display:flex;flex-direction:column;padding:18px 14px;gap:6px;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:11px;padding:6px 8px 16px}
.brand-logo{width:34px;height:34px;border-radius:9px;flex:none}
.brand-name{font-weight:750;font-size:1.18rem;letter-spacing:-.02em}
.brand-name span{color:var(--brand)}
.brand-tag{font-size:.66rem;text-transform:uppercase;letter-spacing:.14em;color:var(--faint);margin-top:1px}
.nav-item{
  display:flex;align-items:center;gap:11px;width:100%;border:0;background:none;
  color:var(--dim);padding:10px 11px;border-radius:var(--r-sm);font-size:.92rem;
  font-weight:550;text-align:left;transition:.15s;
}
.nav-item:hover{background:var(--surface-2);color:var(--text)}
.nav-item.active{background:var(--brand-soft);color:var(--brand)}
[data-theme="dark"] .nav-item.active{color:var(--brand-deep)}
.nav-ic{display:inline-flex;opacity:.9}
.nav-foot{margin-top:auto;padding:10px 8px 2px;font-size:.72rem;color:var(--faint)}

.main{display:flex;flex-direction:column;overflow:hidden}
.topbar{
  display:flex;align-items:center;gap:12px;padding:14px 26px;
  border-bottom:1px solid var(--border);background:var(--surface);
}
.view-title{font-size:1.18rem;font-weight:700;letter-spacing:-.02em}
.topbar-spacer{flex:1}
.menu-btn{display:none}
.icon-btn,.chip-btn{
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid transparent;background:none;color:var(--dim);
  width:38px;height:38px;border-radius:10px;transition:.15s;
}
.icon-btn:hover{background:var(--surface-2);color:var(--text)}
.save-pill{display:flex;align-items:center;gap:7px;font-size:.8rem;color:var(--faint)}
#saveDot{width:8px;height:8px;border-radius:50%;background:var(--border);transition:.3s}
#saveDot.on{background:var(--income);box-shadow:0 0 0 4px color-mix(in srgb,var(--income) 22%,transparent)}

.bell{position:relative}
#bellBadge{
  position:absolute;top:4px;right:4px;min-width:16px;height:16px;padding:0 4px;
  background:var(--danger);color:#fff;border-radius:9px;font-size:.66rem;
  display:none;align-items:center;justify-content:center;font-weight:700;
}
#bellBadge.show{display:flex}
.bell-menu{
  position:absolute;top:46px;right:0;width:320px;max-width:88vw;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow);
  padding:8px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:.16s;z-index:40;
}
.bell-menu.open{opacity:1;visibility:visible;transform:none}
.bell-head{padding:8px 10px;font-weight:650;font-size:.9rem;display:flex;justify-content:space-between;align-items:center}
.bell-empty{padding:22px 12px;text-align:center;color:var(--faint);font-size:.86rem}
.alert-row{display:flex;gap:10px;padding:10px;border-radius:10px}
.alert-row:hover{background:var(--surface-2)}
.alert-row .dot{width:8px;height:8px;border-radius:50%;margin-top:6px;flex:none;background:var(--dim)}
.alert-row.warn .dot{background:var(--warn)} .alert-row.danger .dot{background:var(--danger)}
.ar-title{font-weight:600;font-size:.87rem} .ar-sub{font-size:.78rem;color:var(--dim)}

.view-wrap{overflow-y:auto;padding:26px;flex:1}
.view{max-width:1040px;margin:0 auto;display:flex;flex-direction:column;gap:18px}

/* cards */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  padding:20px 22px;box-shadow:var(--shadow)}
.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;gap:10px}
.card h3{margin-bottom:4px}
.eyebrow{font-size:.68rem;text-transform:uppercase;letter-spacing:.14em;color:var(--faint);font-weight:650;margin-bottom:8px}
.lead{color:var(--dim);max-width:70ch;margin:0}
.dash-hello{font-size:1.45rem;font-weight:700;letter-spacing:-.02em}
.dash-hello .muted{font-weight:500}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}

/* hero balance ribbon (signature) */
.hero .flow-figures{display:flex;gap:30px;flex-wrap:wrap;margin-bottom:18px}
.ff-label{font-size:.78rem;color:var(--dim);display:flex;align-items:center;gap:6px}
.ff-num{font-size:1.7rem;font-weight:730;letter-spacing:-.02em;margin-top:3px}
.ff.in .ff-num{color:var(--income)} .ff.out .ff-num{color:var(--expense)}
.flow-ribbon{display:flex;height:16px;border-radius:9px;overflow:hidden;background:var(--surface-2);border:1px solid var(--border)}
.flow-ribbon .seg{height:100%;width:0;transition:width .8s cubic-bezier(.5,0,.2,1)}
.flow-ribbon .seg.grown{width:var(--w)}
.seg.exp{background:var(--expense)} .seg.save{background:var(--save)} .seg.free{background:color-mix(in srgb,var(--brand) 22%,transparent)}
.flow-legend{display:flex;gap:18px;margin-top:10px;font-size:.8rem;color:var(--dim);flex-wrap:wrap}
.flow-legend i.sw{width:10px;height:10px;border-radius:3px;display:inline-block;margin-right:6px;vertical-align:middle}
.sw.exp{background:var(--expense)} .sw.save{background:var(--save)} .sw.free{background:color-mix(in srgb,var(--brand) 30%,transparent)}

.stat .stat-num{font-size:1.5rem;font-weight:730;letter-spacing:-.02em;margin-top:2px}
.stat-sub{font-size:.78rem;color:var(--faint);margin-top:6px}

/* bars */
.bar{height:8px;background:var(--surface-2);border-radius:6px;overflow:hidden;margin-top:8px}
.bar.big{height:11px}
.bar-fill{height:100%;background:var(--brand);border-radius:6px;transition:width .6s ease}
.bar-fill.save{background:var(--save)} .bar-fill.over{background:var(--danger)}
.catbars{display:flex;flex-direction:column;gap:12px}
.catbar-top{display:flex;justify-content:space-between;font-size:.86rem}

/* lists */
.list{display:flex;flex-direction:column}
.li{display:flex;align-items:center;gap:12px;padding:12px 4px;border-bottom:1px solid var(--border)}
.li:last-child{border-bottom:0}
.li-main{flex:1;min-width:0}
.li-title{font-weight:600;font-size:.92rem}
.li-sub{font-size:.78rem;color:var(--dim)}
.li-amt{font-weight:650;font-variant-numeric:tabular-nums}
.li-actions{display:flex;gap:2px}
.status-dot{width:9px;height:9px;border-radius:50%;flex:none;background:var(--income)}
.status-dot.warn{background:var(--warn)} .status-dot.danger{background:var(--danger)}
.empty{padding:26px 8px;text-align:center;color:var(--faint);font-size:.9rem}

/* tables */
.table{display:flex;flex-direction:column}
.tr{display:grid;grid-template-columns:2fr 1fr 1.2fr 1fr 44px;gap:10px;align-items:center;
  padding:11px 4px;border-bottom:1px solid var(--border);font-size:.9rem}
.tr.th{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--faint);font-weight:650;border-bottom:1px solid var(--border)}
.tr:last-child{border-bottom:0}
.chip{display:inline-block;padding:3px 9px;background:var(--surface-2);border:1px solid var(--border);
  border-radius:20px;font-size:.74rem;color:var(--dim);font-weight:550}
.chip.ghost{background:transparent}

/* forms */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:16px}
label{display:flex;flex-direction:column;gap:6px;font-size:.82rem;color:var(--dim);font-weight:550}
label.block{margin-bottom:16px}
.input{
  width:100%;padding:10px 12px;border:1px solid var(--border);background:var(--surface-2);
  color:var(--text);border-radius:var(--r-sm);font-size:.95rem;font-family:inherit;transition:.15s;
}
.input:focus{outline:none;border-color:var(--brand);background:var(--surface);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent)}
textarea.input{resize:vertical;font-family:inherit}
.suffix{color:var(--faint);font-size:.8rem}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);
  background:var(--surface);color:var(--text);padding:10px 16px;border-radius:var(--r-sm);
  font-weight:600;font-size:.9rem;transition:.15s}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
[data-theme="dark"] .btn.primary{color:#06120d}
.btn.primary:hover{filter:brightness(1.05)}
.btn.ghost{background:var(--surface-2)}
.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn.sm{padding:7px 12px;font-size:.82rem}
.btn-row{display:flex;gap:10px;flex-wrap:wrap}
.link{background:none;border:0;font-weight:600;font-size:inherit;padding:0}
.link:hover{text-decoration:underline}
.mini{border:1px solid var(--border);background:var(--surface-2);color:var(--brand);
  border-radius:8px;padding:4px 9px;font-size:.76rem;font-weight:600}

/* budgets & goals */
.budget-list,.goal-list{display:flex;flex-direction:column;gap:18px}
.budget,.goal{padding-bottom:4px}
.budget-top,.goal-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.budget-name,.goal-name{font-weight:650}
.budget-foot{display:flex;justify-content:space-between;margin-top:7px;font-size:.84rem}
.goal-controls{display:flex;gap:4px;align-items:center}

/* forecast spark */
.spark-wrap{margin:6px 0 4px}
.spark{width:100%;height:160px;display:block}
.spark-area{fill:color-mix(in srgb,var(--brand) 12%,transparent)}
.spark-line{fill:none;stroke:var(--income);stroke-width:2.4;vector-effect:non-scaling-stroke}
.spark-line.down{stroke:var(--expense)}
.spark-zero{stroke:var(--border);stroke-dasharray:4 4;stroke-width:1;vector-effect:non-scaling-stroke}

/* settings */
.row{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid var(--border)}
.row:last-child{border-bottom:0}
.row.between{justify-content:space-between}
.set-title{font-weight:600}
.seg-toggle{display:inline-flex;border:1px solid var(--border);border-radius:9px;overflow:hidden}
.seg-toggle button{border:0;background:var(--surface);color:var(--dim);padding:7px 16px;font-weight:600;font-size:.84rem}
.seg-toggle button.on{background:var(--brand);color:#fff}
[data-theme="dark"] .seg-toggle button.on{color:#06120d}
.switch{position:relative;display:inline-block;width:44px;height:25px}
.switch input{opacity:0;width:0;height:0}
.switch span{position:absolute;inset:0;background:var(--border);border-radius:20px;transition:.2s;cursor:pointer}
.switch span:before{content:"";position:absolute;width:19px;height:19px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked+span{background:var(--brand)}
.switch input:checked+span:before{transform:translateX(19px)}
.danger-zone{border-color:color-mix(in srgb,var(--danger) 35%,var(--border))}
.warn-text{color:var(--warn);margin-top:8px}

.safety-note{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;background:var(--brand-soft);
  border:1px solid color-mix(in srgb,var(--brand) 25%,transparent);border-radius:var(--r);
  color:var(--brand-deep);font-size:.86rem}
[data-theme="dark"] .safety-note{color:var(--brand-deep)}
.safety-note svg{flex:none;color:var(--brand)}

/* help */
.help summary{cursor:pointer;font-weight:600;padding:11px 0;border-top:1px solid var(--border);list-style:none}
.help summary::-webkit-details-marker{display:none}
.help summary:before{content:"+ ";color:var(--brand);font-weight:700}
.help details[open] summary:before{content:"– "}
.help details p{color:var(--dim);font-size:.9rem;margin:0 0 12px;padding-left:16px}
.help-steps,.help-tips{color:var(--dim);padding-left:20px;line-height:1.7}
.help-steps b,.help-tips b{color:var(--text)}

/* tooltip */
.tip{display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;
  border-radius:50%;background:var(--surface-2);border:1px solid var(--border);color:var(--faint);
  font-size:.64rem;font-weight:700;cursor:help;position:relative;flex:none}
.tip.inline{vertical-align:middle}
.tip:hover,.tip:focus{background:var(--brand);color:#fff;border-color:var(--brand);outline:none}
.tip:hover:after,.tip:focus:after{
  content:attr(data-tip);position:absolute;bottom:135%;left:50%;transform:translateX(-50%);
  background:var(--text);color:var(--bg);padding:8px 11px;border-radius:8px;font-size:.76rem;
  font-weight:500;width:max-content;max-width:240px;line-height:1.4;z-index:50;
  box-shadow:var(--shadow);text-transform:none;letter-spacing:0;white-space:normal;text-align:left}
.tip:hover:before,.tip:focus:before{content:"";position:absolute;bottom:135%;left:50%;
  transform:translate(-50%,100%);border:5px solid transparent;border-top-color:var(--text);z-index:50}

/* toasts */
#toasts{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);display:flex;
  flex-direction:column;gap:8px;z-index:80;align-items:center}
.toast{background:var(--text);color:var(--bg);padding:11px 18px;border-radius:10px;font-size:.86rem;
  font-weight:550;box-shadow:var(--shadow);opacity:0;transform:translateY(10px);transition:.25s;max-width:90vw}
.toast.in{opacity:1;transform:none}
.toast.warn{background:var(--warn);color:#1b1403}
.toast.danger{background:var(--danger);color:#fff}

/* modal */
.modal-back{position:fixed;inset:0;background:rgba(10,20,15,.45);backdrop-filter:blur(2px);
  display:flex;align-items:center;justify-content:center;z-index:90;opacity:0;transition:.18s;padding:20px}
.modal-back.in{opacity:1}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  padding:24px;width:min(420px,100%);box-shadow:var(--shadow);transform:scale(.96);transition:.18s}
.modal-back.in .modal{transform:none}
.modal h3{margin-bottom:8px}
.modal-msg{color:var(--dim);margin:0 0 18px}
.modal .input{margin:8px 0 0}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}

/* lock screen */
.lock{position:fixed;inset:0;background:var(--bg);z-index:100;display:none;
  align-items:center;justify-content:center;padding:20px}
.lock.show{display:flex}
.lock-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  padding:32px;width:min(360px,100%);text-align:center;box-shadow:var(--shadow)}
.lock-logo{width:48px;height:48px;border-radius:12px;margin:0 auto 14px}
.lock-card h2{font-size:1.2rem;margin-bottom:4px}
.lock-card p{color:var(--dim);font-size:.86rem;margin:0 0 18px}
#lockMsg{color:var(--danger);font-size:.8rem;min-height:18px;margin-top:8px}
.lock-card .input{text-align:center}

/* responsive */
@media(max-width:880px){
  .app{grid-template-columns:1fr}
  .sidebar{position:fixed;inset:0 auto 0 0;width:248px;z-index:60;transform:translateX(-100%);transition:.22s}
  .sidebar.open{transform:none;box-shadow:var(--shadow)}
  .menu-btn{display:inline-flex}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .hero .flow-figures{gap:18px}
  .ff-num{font-size:1.4rem}
  .topbar{padding:12px 16px}
  .view-wrap{padding:16px}
  .form-grid{grid-template-columns:1fr}
  .tr{grid-template-columns:1.6fr 1fr 1fr 40px}
  .tr span:nth-child(3){display:none}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}