:root {
  --bg: #0f1115; --card: #181b22; --card2: #20242d; --line: #2a2f3a;
  --text: #eef0f4; --muted: #8b92a1; --green: #3ecf8e; --red: #ff6b6b;
  --yellow: #f5c451; --accent: #8b7cf6; --radius: 18px;
  --safe-b: env(safe-area-inset-bottom, 0px); --safe-t: env(safe-area-inset-top, 0px);
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f4f5f8; --card: #fff; --card2: #f0f1f5; --line: #e3e5eb; --text: #14161b; --muted: #6b7280; }
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
.hidden { display: none !important; }
button { font: inherit; color: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: var(--text); background: var(--card2);
  border: 1px solid var(--line); border-radius: 12px; padding: 12px; width: 100%; }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login form { width: 100%; max-width: 320px; text-align: center; display: grid; gap: 12px; }
.logo { width: 64px; height: 64px; margin: 0 auto; border-radius: 18px; background: var(--accent);
  display: grid; place-items: center; font-size: 30px; font-weight: 800; color: #fff; }
.login h1 { margin: 4px 0 12px; }
.login button, .btn { background: var(--accent); color: #fff; border: 0; border-radius: 12px; padding: 13px 16px; font-weight: 600; }
.btn.ghost { background: var(--card2); color: var(--text); }
.btn.danger { background: transparent; color: var(--red); border: 1px solid var(--line); }
.err { color: var(--red); min-height: 1.2em; margin: 0; }

/* layout */
.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between;
  padding: calc(10px + var(--safe-t)) 12px 10px; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px); }
.top .month { font-weight: 700; }
.icon { width: 40px; height: 40px; border-radius: 12px; border: 0; background: var(--card); font-size: 22px; }
main { padding: 4px 14px calc(90px + var(--safe-b)); max-width: 640px; margin: 0 auto; }
.bottom { position: fixed; bottom: 0; left: 0; right: 0; display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--card); border-top: 1px solid var(--line); padding-bottom: var(--safe-b); z-index: 5; }
.bottom button { background: none; border: 0; padding: 10px 0 8px; display: grid; gap: 2px; font-size: 12px; color: var(--muted); }
.bottom button span { font-size: 18px; }
.bottom button.on { color: var(--accent); }

/* cards */
.card { background: var(--card); border-radius: var(--radius); padding: 16px; margin: 10px 0; }
.card h3 { margin: 0 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
.hero { padding: 20px 18px; }
.hero .label { color: var(--muted); font-size: 13px; }
.hero .big { font-size: 38px; font-weight: 800; letter-spacing: -.02em; margin: 2px 0; }
.hero .sub { color: var(--muted); font-size: 13px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid2 .card { margin: 0; }
.stat .v { font-size: 20px; font-weight: 700; margin-top: 2px; }
.stat .l { font-size: 12px; color: var(--muted); }
.pos { color: var(--green); } .neg { color: var(--red); } .warn { color: var(--yellow); } .muted { color: var(--muted); }

.row { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 0; }
.row + .row { border-top: 1px solid var(--line); }
.row .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar { height: 6px; background: var(--card2); border-radius: 6px; overflow: hidden; margin-top: 4px; }
.bar > i { display: block; height: 100%; background: var(--accent); border-radius: 6px; }
.bar.green > i { background: var(--green); } .bar.red > i { background: var(--red); } .bar.yellow > i { background: var(--yellow); }

.alert { border-left: 3px solid var(--yellow); }
.alert.red { border-left-color: var(--red); }
.alert p { margin: 0; }

/* histórico */
.hist { display: flex; align-items: flex-end; gap: 6px; height: 120px; padding-top: 6px; }
.hist .col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px; height: 100%; justify-content: flex-end; }
.hist .pair { display: flex; gap: 2px; align-items: flex-end; height: 100%; width: 100%; justify-content: center; }
.hist .pair i { width: 45%; max-width: 12px; border-radius: 3px 3px 0 0; min-height: 2px; }
.hist .in { background: var(--green); } .hist .out { background: var(--red); }
.hist small { font-size: 10px; color: var(--muted); }
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--muted); margin-top: 8px; }
.legend b { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 4px; vertical-align: -1px; }

/* gastos */
.filters { display: flex; gap: 6px; overflow-x: auto; padding: 4px 0 8px; scrollbar-width: none; }
.chip { flex: none; border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 7px 12px; font-size: 13px; }
.chip.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.tx { display: flex; gap: 12px; align-items: center; padding: 12px 0; border-top: 1px solid var(--line); }
.tx:first-child { border-top: 0; }
.tx .d { flex: 1; min-width: 0; }
.tx .d .t { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tx .d .m { font-size: 12px; color: var(--muted); }
.tx .a { font-weight: 600; white-space: nowrap; }
.tag { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 6px; background: var(--card2); color: var(--muted); margin-left: 4px; }
.tag.emp { background: color-mix(in srgb, var(--yellow) 22%, transparent); color: var(--yellow); }
.daylabel { font-size: 12px; color: var(--muted); margin: 14px 0 0; text-transform: capitalize; }

/* sheet */
dialog { border: 0; padding: 0; background: var(--card); color: var(--text); width: 100%; max-width: 560px;
  border-radius: 22px 22px 0 0; margin: auto auto 0; max-height: 90vh; }
dialog::backdrop { background: rgba(0,0,0,.5); }
dialog .in { padding: 20px 18px calc(20px + var(--safe-b)); display: grid; gap: 12px; }
dialog h2 { margin: 0; font-size: 18px; }
dialog label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.seg button { border: 1px solid var(--line); background: var(--card2); border-radius: 12px; padding: 12px; }
.seg button.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.check { display: flex !important; grid-template-columns: none; align-items: center; gap: 10px; color: var(--text) !important; }
.check input { width: 20px; height: 20px; }
.actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.toast { position: fixed; left: 50%; bottom: calc(90px + var(--safe-b)); transform: translateX(-50%) translateY(20px);
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 12px; opacity: 0; transition: .25s; pointer-events: none; z-index: 20; font-size: 14px; }
.toast.show { opacity: 1; transform: translateX(-50%); }
.empty { text-align: center; color: var(--muted); padding: 30px 10px; }
.step { display: flex; gap: 10px; padding: 8px 0; }
.step .n { flex: none; width: 24px; height: 24px; border-radius: 50%; background: var(--card2); display: grid; place-items: center; font-size: 12px; font-weight: 700; }
.step.done .n { background: var(--green); color: #000; }