:root {
  --bg: #F4F5F7;
  --card: #FFFFFF;
  --ink: #16181D;
  --ink-2: #3A3F4A;
  --muted: #727885;
  --line: #E6E8EC;
  --soft: #EEF0F3;
  --accent: #2F6BFF;
  --accent-soft: #E9F0FF;
  --good: #11A36A;
  --good-soft: #E6F6EF;
  --warn: #B26B00;
  --warn-soft: #FFF4DF;
  --bad: #D93A35;
  --bad-soft: #FDECEB;
  --radius: 22px;
  --shadow: 0 1px 2px rgba(22, 24, 29, .04), 0 8px 24px rgba(22, 24, 29, .05);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); color: var(--ink); background: var(--bg); min-height: 100dvh; -webkit-font-smoothing: antialiased; font-size: 15px; line-height: 1.4; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; -webkit-tap-highlight-color: transparent; }
.num { font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.hidden { display: none !important; }
.muted { color: var(--muted); }

main { max-width: 560px; margin: 0 auto; padding: max(12px, env(safe-area-inset-top)) 16px calc(40px + env(safe-area-inset-bottom)); }
@media (min-width: 960px) { main.wide { max-width: 1320px; } }

/* ---------- barra superior ---------- */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 6px 0 14px; }
.topbar h1 { font-size: 17px; font-weight: 700; letter-spacing: -.01em; }
.topbar .back { display: inline-flex; align-items: center; gap: 4px; background: none; border: 0; font-weight: 600; color: var(--ink); padding: 8px 4px 8px 0; }
.iconbtn { width: 40px; height: 40px; border-radius: 50%; border: 0; background: var(--card); display: grid; place-items: center; box-shadow: var(--shadow); }
.iconbtn svg { width: 20px; height: 20px; }
.menu-wrap { position: relative; }
.menu { position: absolute; right: 0; top: 48px; background: var(--card); border-radius: 16px; box-shadow: 0 12px 40px rgba(22,24,29,.16); padding: 6px; min-width: 220px; z-index: 30; }
.menu button { display: flex; width: 100%; align-items: center; gap: 10px; background: none; border: 0; text-align: left; padding: 12px 12px; border-radius: 10px; font-weight: 500; }
.menu button:hover { background: var(--soft); }
.menu button.danger { color: var(--bad); }
.menu svg { width: 18px; height: 18px; color: var(--muted); }

/* ---------- tarjetas ---------- */
.card { background: var(--card); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); margin-bottom: 14px; }
.card h2 { font-size: 17px; font-weight: 700; margin-bottom: 4px; letter-spacing: -.01em; }
.card .sub { color: var(--muted); font-size: 14px; }

/* ---------- saldo ---------- */
.hero { text-align: center; padding: 22px 20px 20px; }
.hero .period { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--ink-2); background: var(--soft); padding: 6px 12px; border-radius: 999px; }
.hero .label { margin-top: 16px; font-size: 13px; color: var(--muted); font-weight: 500; }
.hero .balance { font-size: 44px; font-weight: 800; letter-spacing: -.03em; line-height: 1.1; margin-top: 2px; }
.hero .balance.neg { color: var(--bad); }
.bar { height: 8px; background: var(--soft); border-radius: 999px; overflow: hidden; margin: 18px 4px 0; }
.bar i { display: block; height: 100%; background: var(--ink); border-radius: 999px; transition: width .4s; }
.bar.warn i { background: #F2A007; }
.bar.bad i { background: var(--bad); }
.barlabels { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin: 6px 4px 0; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 18px; }
.stat { background: var(--soft); border-radius: 14px; padding: 10px 6px; }
.stat b { display: block; font-size: 16px; font-weight: 700; }
.stat span { font-size: 12px; color: var(--muted); }

.chip { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: var(--soft); color: var(--ink-2); }
.chip.open { background: var(--good-soft); color: var(--good); }
.chip.closed { background: var(--soft); color: var(--muted); }
.chip .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.alert { display: flex; gap: 10px; align-items: flex-start; border-radius: 16px; padding: 12px 14px; font-size: 14px; margin-bottom: 14px; font-weight: 500; }
.alert svg { flex: 0 0 20px; width: 20px; height: 20px; margin-top: 1px; }
.alert.warn { background: var(--warn-soft); color: var(--warn); }
.alert.bad { background: var(--bad-soft); color: var(--bad); }
.alert.info { background: var(--accent-soft); color: #1E4FC2; }

/* ---------- acciones ---------- */
.actions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 4px 0 18px; }
.action { display: flex; flex-direction: column; align-items: center; gap: 8px; background: none; border: 0; font-size: 12.5px; font-weight: 600; color: var(--ink-2); padding: 4px 0; }
.action .ic { width: 52px; height: 52px; border-radius: 50%; background: var(--card); display: grid; place-items: center; box-shadow: var(--shadow); }
.action.primary .ic { background: var(--ink); color: #fff; }
.action .ic svg { width: 22px; height: 22px; }
.action[disabled] { opacity: .4; cursor: default; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; width: 100%; padding: 15px 18px; border-radius: 999px; border: 0; background: var(--ink); color: #fff; font-weight: 700; font-size: 16px; }
.btn.secondary { background: var(--soft); color: var(--ink); }
.btn.danger { background: var(--bad-soft); color: var(--bad); }
.btn.small { width: auto; padding: 10px 16px; font-size: 14px; }
.btn[disabled] { opacity: .5; cursor: default; }
.btn svg { width: 18px; height: 18px; }
.btnrow { display: flex; gap: 10px; }
.btnrow > * { flex: 1; }
.linkbtn { background: none; border: 0; color: var(--accent); font-weight: 600; padding: 6px 0; }

/* ---------- lista de gastos ---------- */
.listhead { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.listhead h2 { margin: 0; }
.tools { display: flex; gap: 8px; margin-bottom: 8px; }
.search { flex: 1; position: relative; }
.search svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--muted); }
.search input { width: 100%; padding: 11px 12px 11px 38px; border-radius: 12px; border: 0; background: var(--soft); font-size: 16px; outline: none; }
.search input:focus { box-shadow: 0 0 0 2px var(--accent); background: #fff; }
select.sort { padding: 11px 10px; border-radius: 12px; border: 0; background: var(--soft); font-size: 14px; font-weight: 500; max-width: 46%; }

.items { list-style: none; }
.item { display: grid; grid-template-columns: 42px 1fr auto; gap: 12px; align-items: center; padding: 12px 0; border-top: 1px solid var(--line); cursor: pointer; }
.item:first-child { border-top: 0; }
.avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--soft); display: grid; place-items: center; font-weight: 700; font-size: 15px; color: var(--ink-2); position: relative; }
.avatar .nofile { position: absolute; right: -2px; bottom: -2px; width: 16px; height: 16px; border-radius: 50%; background: #F2A007; border: 2px solid #fff; }
.item .t { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.item .s { font-size: 13px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.item .v { font-weight: 700; text-align: right; }
.item .v small { display: block; font-size: 12px; color: var(--muted); font-weight: 500; }
.empty { text-align: center; color: var(--muted); padding: 28px 10px; font-size: 14px; }

table.grid { width: 100%; border-collapse: collapse; font-size: 14px; }
table.grid th { text-align: left; font-size: 12px; font-weight: 600; color: var(--muted); padding: 8px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; cursor: pointer; user-select: none; }
table.grid th.r, table.grid td.r { text-align: right; }
table.grid th .arr { font-size: 10px; margin-left: 2px; }
table.grid td { padding: 11px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.grid tbody tr { cursor: pointer; }
table.grid tbody tr:hover { background: #FAFBFC; }
table.grid tfoot td { font-weight: 700; border-bottom: 0; }
.desktop-only { display: none; }
@media (min-width: 960px) {
  .desktop-only { display: block; }
  .mobile-only { display: none; }
  .layout { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 18px; align-items: start; }
  .layout > aside { position: sticky; top: 16px; }
}

/* ---------- formularios ---------- */
.field { margin-top: 14px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.field input, .field textarea { width: 100%; padding: 13px 14px; border-radius: 14px; border: 1.5px solid var(--line); background: #fff; font-size: 16px; outline: none; }
.field textarea { resize: vertical; min-height: 64px; }
.field input:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field.money input { font-size: 22px; font-weight: 700; }
.field .hint { font-size: 12.5px; color: var(--muted); margin-top: 5px; }
.field.err input, .field.err textarea { border-color: var(--bad); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 10px; }
.formerr { color: var(--bad); font-size: 14px; font-weight: 500; margin-top: 12px; }

/* ---------- hoja inferior / diálogo ---------- */
.overlay { position: fixed; inset: 0; background: rgba(16,18,22,.38); z-index: 40; display: flex; align-items: flex-end; justify-content: center; animation: fade .18s ease; }
.sheet { background: var(--card); width: 100%; max-width: 560px; max-height: 94dvh; overflow: auto; border-radius: 26px 26px 0 0; padding: 10px 20px calc(22px + env(safe-area-inset-bottom)); animation: up .24s cubic-bezier(.2,.8,.2,1); }
.sheet .grab { width: 40px; height: 5px; border-radius: 999px; background: var(--line); margin: 0 auto 12px; }
.sheet h2 { font-size: 20px; font-weight: 800; letter-spacing: -.02em; }
.sheet .foot { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
@media (min-width: 720px) {
  .overlay { align-items: center; }
  .sheet { border-radius: 26px; padding: 22px 26px 24px; }
  .sheet .grab { display: none; }
}
@keyframes up { from { transform: translateY(40px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.preview { display: flex; align-items: center; gap: 12px; background: var(--soft); border-radius: 16px; padding: 10px; margin-top: 14px; }
.preview img { width: 56px; height: 56px; object-fit: cover; border-radius: 10px; background: #fff; }
.preview .pdf { width: 56px; height: 56px; border-radius: 10px; background: #fff; display: grid; place-items: center; font-weight: 800; font-size: 12px; color: var(--bad); }
.preview .meta { flex: 1; min-width: 0; font-size: 13.5px; }
.preview .meta b { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.preview .meta span { color: var(--muted); }
.reading { display: flex; align-items: center; gap: 8px; color: var(--accent); font-weight: 600; }
.spinner { width: 16px; height: 16px; border: 2.5px solid var(--accent-soft); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- login ---------- */
.login { min-height: 100dvh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px 16px; }
.login .logo { width: 64px; height: 64px; border-radius: 20px; background: var(--ink); color: #fff; display: grid; place-items: center; }
.login .logo svg { width: 30px; height: 30px; }
.login h1 { font-size: 24px; font-weight: 800; letter-spacing: -.02em; margin-top: 18px; }
.login p { color: var(--muted); margin-top: 4px; }
.dots { display: flex; gap: 16px; margin: 30px 0 10px; }
.dots i { width: 14px; height: 14px; border-radius: 50%; background: var(--line); transition: background .15s, transform .15s; }
.dots i.on { background: var(--ink); transform: scale(1.08); }
.dots.shake { animation: shake .35s; }
@keyframes shake { 20%,60% { transform: translateX(-8px); } 40%,80% { transform: translateX(8px); } }
.pinerr { color: var(--bad); font-size: 14px; font-weight: 500; min-height: 20px; }
.keypad { display: grid; grid-template-columns: repeat(3, 76px); gap: 14px 24px; margin-top: 18px; }
.keypad button { width: 76px; height: 76px; border-radius: 50%; border: 0; background: var(--card); font-size: 28px; font-weight: 600; box-shadow: var(--shadow); }
.keypad button:active { background: var(--soft); }
.keypad button.ghost { background: none; box-shadow: none; font-size: 15px; color: var(--muted); }

/* ---------- períodos ---------- */
.prow { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 0; border-top: 1px solid var(--line); cursor: pointer; }
.prow:first-child { border-top: 0; }
.prow .t { font-weight: 700; }
.prow .s { font-size: 13px; color: var(--muted); margin-top: 2px; }
.prow .v { text-align: right; font-weight: 700; }

.review-row { display: flex; justify-content: space-between; padding: 10px 0; border-top: 1px solid var(--line); }
.review-row:first-child { border-top: 0; }
.review-row b { font-weight: 700; }

/* ---------- toast ---------- */
#toast { position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom)); transform: translateX(-50%) translateY(20px); background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 14px; font-size: 14px; font-weight: 500; opacity: 0; pointer-events: none; transition: .25s; z-index: 60; max-width: calc(100% - 32px); text-align: center; }
#toast.show { opacity: 1; transform: translateX(-50%); }
#toast.err { background: var(--bad); }

.loading { display: grid; place-items: center; min-height: 60dvh; }