/* ===================================================================
   D4 Finanzas — sistema visual
   Blanco y negro, tipografía ajustada, movimiento suave.
   =================================================================== */
:root{
  /* superficies e ink */
  --bg:#ffffff;
  --bg-soft:#f5f5f7;
  --panel:#ffffff;
  --panel-2:#fbfbfd;
  --ink:#1d1d1f;
  --ink-strong:#000000;
  --muted:#6e6e73;
  --faint:#86868b;
  --line:rgba(0,0,0,.10);
  --line-soft:rgba(0,0,0,.06);
  --shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.06);
  --shadow-lift:0 2px 6px rgba(0,0,0,.06),0 20px 50px rgba(0,0,0,.12);
  --glass:rgba(255,255,255,.72);
  /* estado (nunca color solo: siempre con signo o etiqueta) */
  --in:#0b7a3d;   --in-soft:#e8f5ed;
  --out:#b3261e;  --out-soft:#fdecea;
  /* rampa secuencial monocroma para magnitud */
  --r1:#111111; --r2:#3a3a3c; --r3:#636366; --r4:#8e8e93; --r5:#c7c7cc;
  --radius:18px; --radius-sm:12px; --nav-h:66px;
  --ease:cubic-bezier(.22,1,.36,1);
  --ease-in:cubic-bezier(.4,0,.2,1);
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#000000; --bg-soft:#0a0a0a; --panel:#141416; --panel-2:#1c1c1e;
  --ink:#f5f5f7; --ink-strong:#ffffff; --muted:#a1a1a6; --faint:#8e8e93;
  --line:rgba(255,255,255,.14); --line-soft:rgba(255,255,255,.08);
  --shadow:0 1px 2px rgba(0,0,0,.6),0 8px 24px rgba(0,0,0,.5);
  --shadow-lift:0 2px 6px rgba(0,0,0,.7),0 24px 60px rgba(0,0,0,.6);
  --glass:rgba(10,10,10,.72);
  --in:#4ade8a; --in-soft:#0f2d1d; --out:#ff6b5e; --out-soft:#2e1310;
  --r1:#f5f5f7; --r2:#c7c7cc; --r3:#8e8e93; --r4:#636366; --r5:#3a3a3c;
}}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",system-ui,sans-serif;
  font-size:15px;line-height:1.47;letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.025em;text-wrap:balance}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
[hidden]{display:none!important}
a{color:inherit}
::selection{background:var(--ink);color:var(--bg)}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:6px}

/* ---------- movimiento ---------- */
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes sheetUp{from{transform:translateY(100%)}to{transform:none}}
@keyframes pop{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}
@keyframes shimmer{to{background-position:200% 0}}
@keyframes spin{to{transform:rotate(360deg)}}
.rise{animation:rise .62s var(--ease) both}
.rise:nth-child(2){animation-delay:.04s}.rise:nth-child(3){animation-delay:.08s}
.rise:nth-child(4){animation-delay:.12s}.rise:nth-child(5){animation-delay:.16s}
.rise:nth-child(6){animation-delay:.2s}.rise:nth-child(7){animation-delay:.24s}
.reveal{opacity:0;transform:translateY(18px)}
.reveal.on{opacity:1;transform:none;transition:opacity .7s var(--ease),transform .7s var(--ease)}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- marca ---------- */
.logo{display:block;width:100%;height:100%}
.logo svg{width:100%;height:100%;display:block}
.brandmark{display:inline-flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.02em}
.brandmark .logo{width:26px;height:27px;color:var(--ink-strong)}
.brandmark small{display:block;font-weight:400;font-size:11px;color:var(--faint);letter-spacing:.02em}

/* ===================================================================
   ACCESO
   =================================================================== */
.auth{min-height:100%;display:grid;place-items:center;padding:32px 20px;
  background:radial-gradient(120% 90% at 50% -20%,var(--bg-soft) 0%,var(--bg) 60%)}
.auth-card{width:100%;max-width:400px;animation:rise .7s var(--ease) both}
.auth-logo{width:52px;height:54px;color:var(--ink-strong);margin:0 auto 22px}
.auth h1{font-size:34px;line-height:1.1;text-align:center;margin-bottom:6px}
.auth .sub{text-align:center;color:var(--muted);font-size:15px;margin:0 0 26px}
.field{display:flex;flex-direction:column;gap:6px;margin-top:14px}
.field label{font-size:12px;color:var(--muted);font-weight:500;letter-spacing:0}
.field input,.field select,.inline input,.inline select{
  background:var(--panel-2);border:1px solid var(--line);border-radius:12px;
  padding:13px 14px;outline:none;transition:border-color .25s var(--ease-in),box-shadow .25s var(--ease-in),background .25s}
.field input:focus,.inline input:focus,.field select:focus{border-color:var(--ink);box-shadow:0 0 0 4px var(--line-soft)}
.btn{border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:12px 20px;
  font-weight:500;transition:transform .18s var(--ease),background .25s,border-color .25s,opacity .2s;white-space:nowrap}
.btn:hover{border-color:var(--ink)}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--ink-strong);color:var(--bg);border-color:var(--ink-strong)}
.btn.primary:hover{opacity:.86}
.btn.ghost{border-color:transparent;color:var(--muted)}
.btn.danger{color:var(--out);border-color:var(--out)}
.btn.full{width:100%;margin-top:14px;justify-content:center}
.btn.sm{padding:7px 13px;font-size:13px}
.btn:disabled{opacity:.45;pointer-events:none}
.btn.loading{position:relative;color:transparent}
.btn.loading::after{content:"";position:absolute;inset:0;margin:auto;width:16px;height:16px;border-radius:50%;
  border:2px solid currentColor;border-top-color:transparent;animation:spin .7s linear infinite;color:var(--bg)}
.btn:not(.primary).loading::after{color:var(--ink)}
.msg{margin-top:12px;font-size:13px;color:var(--muted);min-height:1.2em;animation:fade .4s var(--ease)}
.msg.err{color:var(--out)}
.link{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line);font-size:13px;padding-bottom:1px;transition:border-color .2s}
.link:hover{border-color:var(--ink)}
.center{text-align:center}

/* ===================================================================
   ESTRUCTURA
   =================================================================== */
.app{min-height:100%;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 18px;padding-top:calc(10px + env(safe-area-inset-top,0px));
  background:var(--glass);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid transparent;transition:border-color .3s}
.topbar.scrolled{border-bottom-color:var(--line)}
.topbar .brandmark .logo{width:22px;height:23px}
.monthnav{display:flex;align-items:center;gap:2px}
.monthnav h2{font-size:15px;min-width:132px;text-align:center;font-variant-numeric:tabular-nums}
.monthnav button{width:30px;height:30px;border-radius:50%;color:var(--muted);transition:background .2s,color .2s}
.monthnav button:hover{background:var(--bg-soft);color:var(--ink)}
.chip{font-size:12.5px;padding:6px 13px;border-radius:999px;background:var(--bg-soft);color:var(--ink);
  font-weight:500;border:1px solid transparent;transition:border-color .2s,transform .18s var(--ease)}
.chip:hover{border-color:var(--line)}
.chip:active{transform:scale(.96)}
.main{flex:1;width:100%;max-width:780px;margin:0 auto;padding:8px 18px calc(var(--nav-h) + 40px + env(safe-area-inset-bottom,0px))}
.view{animation:rise .5s var(--ease) both}

.nav{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;
  background:var(--glass);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px)}
.nav button{flex:1;padding:9px 4px 10px;font-size:10.5px;color:var(--faint);
  display:flex;flex-direction:column;align-items:center;gap:4px;transition:color .25s}
.nav button svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;
  transition:transform .3s var(--ease)}
.nav button.on{color:var(--ink-strong);font-weight:600}
.nav button.on svg{transform:translateY(-2px) scale(1.06)}
.navbrand{display:none}
@media (min-width:920px){
  .app{flex-direction:row}
  .nav{position:sticky;top:0;bottom:auto;height:100vh;width:232px;flex-direction:column;justify-content:flex-start;
    gap:2px;padding:26px 14px;border-top:0;border-right:1px solid var(--line);background:var(--bg)}
  .nav button{flex:0 0 auto;flex-direction:row;justify-content:flex-start;gap:12px;font-size:14px;padding:11px 14px;border-radius:12px}
  .nav button:hover{background:var(--bg-soft)}
  .nav button.on{background:var(--bg-soft)}
  .nav button.on svg{transform:none}
  .navbrand{display:flex;align-items:center;gap:10px;padding:0 14px 22px;font-weight:600}
  .navbrand .logo{width:24px;height:25px;color:var(--ink-strong)}
  .content{flex:1;min-width:0}
  .main{padding-bottom:56px}
}

/* ===================================================================
   INICIO — número héroe + tiles
   =================================================================== */
.hero{padding:34px 0 26px;border-bottom:1px solid var(--line-soft)}
.hero .eyebrow{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);font-weight:600}
.hero .amount{font-size:clamp(44px,11vw,68px);font-weight:600;letter-spacing:-.04em;line-height:1.02;
  font-variant-numeric:tabular-nums;margin:10px 0 8px;display:flex;align-items:baseline;gap:8px}
.hero .amount .cur{font-size:.42em;color:var(--muted);font-weight:500;letter-spacing:-.02em}
.hero .delta{font-size:13.5px;color:var(--muted);display:flex;align-items:center;gap:6px}
.hero .delta b{font-weight:600;color:var(--ink)}
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:22px}
.tile{background:var(--panel-2);border:1px solid var(--line-soft);border-radius:var(--radius-sm);padding:14px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s}
.tile:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--line)}
.tile .k{font-size:11.5px;color:var(--muted);display:flex;align-items:center;gap:5px}
.tile .v{font-size:19px;font-weight:600;font-variant-numeric:tabular-nums;margin-top:5px;letter-spacing:-.02em}
.tile .v.in{color:var(--in)}.tile .v.out{color:var(--out)}
.tile .trend{font-size:11.5px;color:var(--faint);margin-top:2px}
.dot{width:7px;height:7px;border-radius:50%;flex:none;background:var(--ink)}
.dot.in{background:var(--in)}.dot.out{background:var(--out)}

.sec{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:30px 0 12px}
.sec h3{font-size:19px;letter-spacing:-.02em}
.sec .link{font-size:13px}

/* ---------- gráfico de barras (magnitud, rampa monocroma) ---------- */
.chart{display:flex;flex-direction:column;gap:2px}
.barrow{display:grid;grid-template-columns:1fr auto;gap:4px 12px;padding:9px 10px;border-radius:10px;
  transition:background .22s var(--ease);cursor:default;position:relative}
.barrow:hover{background:var(--bg-soft)}
.barrow .lbl{font-size:13.5px;display:flex;align-items:center;gap:8px;min-width:0}
.barrow .lbl span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.barrow .val{font-size:13.5px;font-variant-numeric:tabular-nums;color:var(--ink);font-weight:500}
.barrow .track{grid-column:1/-1;height:8px;border-radius:4px;background:var(--line-soft);overflow:hidden}
.barrow .track i{display:block;height:100%;border-radius:4px;width:0;
  transition:width 1s var(--ease);transition-delay:var(--d,0ms)}
.barrow .pct{position:absolute;right:10px;top:9px;font-size:11.5px;color:var(--faint);opacity:0;transition:opacity .2s}
.barrow:hover .pct{opacity:1}

/* ---------- lista de movimientos ---------- */
.daygroup{margin-top:18px}
.daylabel{font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--faint);font-weight:600;
  padding:0 4px 8px;position:sticky;top:calc(56px + env(safe-area-inset-top,0px));background:var(--bg);z-index:2}
.list{display:flex;flex-direction:column}
.row{display:grid;grid-template-columns:40px 1fr auto;gap:13px;align-items:center;width:100%;text-align:left;
  padding:13px 10px;border-radius:14px;transition:background .22s var(--ease),transform .18s var(--ease);
  border-bottom:1px solid var(--line-soft);animation:rise .5s var(--ease) both}
.row:last-child{border-bottom:0}
.row:hover{background:var(--bg-soft)}
.row:active{transform:scale(.988)}
.row .ico{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:17px;
  background:var(--bg-soft);transition:transform .3s var(--ease)}
.row:hover .ico{transform:scale(1.06)}
.row b{font-weight:500;font-size:14.5px;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row small{color:var(--muted);font-size:12.5px;display:flex;align-items:center;gap:6px}
.row .amt{font-variant-numeric:tabular-nums;font-weight:600;font-size:15px;white-space:nowrap;letter-spacing:-.02em}
.row .amt.in{color:var(--in)} .row .amt.out{color:var(--ink)}
.row .src{font-size:10.5px;color:var(--faint);display:block;text-align:right;margin-top:1px}
.row.del{opacity:.5}
.row.del b{text-decoration:line-through}
.row.new{animation:pop .5s var(--ease) both}

.empty{color:var(--muted);font-size:14px;padding:34px 18px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius)}
.empty strong{display:block;color:var(--ink);font-weight:600;margin-bottom:4px;font-size:15px}
.skel{height:64px;border-radius:14px;margin-bottom:6px;
  background:linear-gradient(90deg,var(--bg-soft) 25%,var(--line-soft) 37%,var(--bg-soft) 63%);
  background-size:200% 100%;animation:shimmer 1.4s linear infinite}

/* ---------- barra de herramientas ---------- */
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:6px 0 4px}
.search{flex:1;min-width:180px;display:flex;align-items:center;gap:9px;background:var(--bg-soft);
  border:1px solid transparent;border-radius:12px;padding:10px 13px;transition:border-color .25s,background .25s}
.search:focus-within{border-color:var(--ink);background:var(--panel)}
.search input{flex:1;background:none;border:0;outline:none;font-size:14px}
.search svg{width:16px;height:16px;stroke:var(--faint);fill:none;stroke-width:2}
.filters{display:flex;gap:7px;overflow-x:auto;padding:6px 2px 10px;scrollbar-width:none;-ms-overflow-style:none}
.filters::-webkit-scrollbar{display:none}
.filters button{white-space:nowrap;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:13px;
  transition:background .25s var(--ease),color .25s,border-color .25s,transform .18s var(--ease)}
.filters button:active{transform:scale(.95)}
.filters button.on{background:var(--ink-strong);color:var(--bg);border-color:var(--ink-strong)}
.switch{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);cursor:pointer}

/* ---------- tarjetas de ajustes ---------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  transition:border-color .3s,box-shadow .3s var(--ease),transform .3s var(--ease)}
.card:hover{border-color:rgba(0,0,0,.18);box-shadow:var(--shadow)}
@media (prefers-color-scheme:dark){.card:hover{border-color:rgba(255,255,255,.24)}}
.card+.card{margin-top:8px}
.card b{font-size:14.5px;font-weight:500;display:block}
.card small{color:var(--muted);font-size:12.5px;display:block;margin-top:2px}
.card.col{flex-direction:column;align-items:stretch}
.code{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-weight:600;letter-spacing:.24em;font-size:19px;
  background:var(--bg-soft);padding:11px 16px;border-radius:12px;text-align:center}
.member{display:grid;grid-template-columns:36px 1fr auto;gap:12px;align-items:center;
  background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:11px 14px;font-size:13.5px}
.member+.member{margin-top:7px}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--ink-strong);color:var(--bg);
  display:grid;place-items:center;font-weight:600;font-size:12px;letter-spacing:.02em}
.role{font-size:11px;padding:4px 10px;border-radius:999px;background:var(--ink-strong);color:var(--bg);font-weight:600}
.role.r{background:var(--bg-soft);color:var(--muted)}
.inline{display:flex;gap:9px;flex-wrap:wrap;align-items:center}
.inline input,.inline select{flex:1;min-width:150px}
.qr{width:196px;height:196px;background:#fff;padding:10px;border-radius:14px;margin:14px auto;display:block}
.qr svg{width:100%;height:100%}
.secret{font-family:ui-monospace,Menlo,monospace;font-size:11.5px;word-break:break-all;color:var(--muted);text-align:center}

/* ---------- pie de marca ---------- */
.brandfoot{margin-top:52px;padding:26px 0 8px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.brandfoot .who{display:flex;align-items:center;gap:11px}
.brandfoot .logo{width:30px;height:31px;color:var(--ink-strong);transition:transform .5s var(--ease)}
.brandfoot:hover .logo{transform:rotate(-4deg) scale(1.05)}
.brandfoot b{font-size:13.5px;font-weight:600;display:block;letter-spacing:-.01em}
.brandfoot small{font-size:11.5px;color:var(--faint)}
.brandfoot a.cta{font-size:12.5px;color:var(--muted);text-decoration:none;display:inline-flex;align-items:center;gap:5px;
  border:1px solid var(--line);padding:8px 14px;border-radius:999px;transition:color .25s,border-color .25s,gap .25s var(--ease)}
.brandfoot a.cta:hover{color:var(--ink);border-color:var(--ink);gap:9px}

/* ===================================================================
   HOJA MODAL
   =================================================================== */
.modal{position:fixed;inset:0;z-index:40;display:grid;place-items:end center;
  background:rgba(0,0,0,.4);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);animation:fade .28s var(--ease)}
.sheet{background:var(--panel);width:100%;max-width:520px;border-radius:26px 26px 0 0;
  padding:22px 22px calc(22px + env(safe-area-inset-bottom,0px));max-height:92vh;overflow-y:auto;
  animation:sheetUp .42s var(--ease);box-shadow:var(--shadow-lift)}
.sheet .grab{width:38px;height:4px;border-radius:2px;background:var(--line);margin:-6px auto 16px}
.sheet h3{font-size:20px;margin-bottom:4px}
.sheet .hint{color:var(--muted);font-size:13px;margin:0 0 4px}
@media (min-width:920px){.modal{place-items:center}.sheet{border-radius:22px;animation:pop .32s var(--ease)}.sheet .grab{display:none}}
.seg{display:flex;background:var(--bg-soft);border-radius:12px;padding:3px;margin-top:16px;position:relative}
.seg button{flex:1;padding:10px;border-radius:10px;font-size:14px;font-weight:500;color:var(--muted);
  transition:color .25s var(--ease),background .3s var(--ease)}
.seg button.on{background:var(--panel);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12);font-weight:600}
.actions{display:flex;gap:9px;margin-top:22px;align-items:center;flex-wrap:wrap}
.actions .grow{flex:1}
.toast{position:fixed;left:50%;transform:translate(-50%,16px);bottom:calc(var(--nav-h) + 18px + env(safe-area-inset-bottom,0px));
  background:var(--ink-strong);color:var(--bg);padding:12px 20px;border-radius:999px;font-size:13.5px;font-weight:500;
  opacity:0;transition:opacity .3s var(--ease),transform .3s var(--ease);pointer-events:none;z-index:60;box-shadow:var(--shadow-lift);
  display:flex;align-items:center;gap:8px;max-width:calc(100vw - 32px)}
.toast.show{opacity:1;transform:translate(-50%,0)}
@media (min-width:920px){.toast{bottom:28px}}
.fab{position:fixed;right:20px;bottom:calc(var(--nav-h) + 18px + env(safe-area-inset-bottom,0px));z-index:30;
  width:56px;height:56px;border-radius:50%;background:var(--ink-strong);color:var(--bg);font-size:26px;font-weight:300;
  display:grid;place-items:center;box-shadow:var(--shadow-lift);
  transition:transform .3s var(--ease),opacity .3s}
.fab:hover{transform:scale(1.07)}
.fab:active{transform:scale(.94)}
@media (min-width:920px){.fab{right:34px;bottom:34px;width:60px;height:60px}}

/* ---------- ajustes responsive finos ---------- */
@media (max-width:919px){
  .topbar .brandmark span{display:none}
  .topbar{padding:8px 14px;padding-top:calc(8px + env(safe-area-inset-top,0px));gap:6px}
  .monthnav h2{min-width:auto;font-size:14.5px}
  .main{padding-left:16px;padding-right:16px}
}
@media (min-width:920px){ .topbar .brandmark{display:none} .topbar{justify-content:space-between} }
.tile .v{font-size:clamp(15px,4.4vw,19px);white-space:nowrap}
.tile .trend{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tile .k{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}