/* ============================================================
   FOKUS · Sistema de diseño estilo iOS (claro/oscuro)
   ============================================================ */
:root{
  --blue:#0A84FF; --green:#34C759; --red:#FF3B30; --orange:#FF9500;
  --purple:#5856D6; --yellow:#FFCC00; --pink:#FF2D55; --teal:#30B0C7;
  --radius:18px; --radius-sm:12px;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --safe-top:env(safe-area-inset-top,0px);
  --safe-bottom:env(safe-area-inset-bottom,0px);
}
/* Claro */
:root, [data-tema="claro"]{
  --bg:#F2F2F7; --bg-elev:#FFFFFF; --card:#FFFFFF; --text:#000000;
  --text-2:#6E6E73; --text-3:#A1A1A6; --sep:rgba(60,60,67,.12);
  --fill:rgba(120,120,128,.12); --header-bg:rgba(242,242,247,.8);
  --shadow:0 1px 3px rgba(0,0,0,.06),0 8px 24px rgba(0,0,0,.05);
}
/* Oscuro manual */
[data-tema="oscuro"]{
  --bg:#000000; --bg-elev:#1C1C1E; --card:#1C1C1E; --text:#FFFFFF;
  --text-2:#98989F; --text-3:#6E6E73; --sep:rgba(84,84,88,.4);
  --fill:rgba(120,120,128,.24); --header-bg:rgba(0,0,0,.7);
  --shadow:0 1px 3px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.5);
}
/* Oscuro automático (según sistema) */
@media (prefers-color-scheme:dark){
  [data-tema="auto"]{
    --bg:#000000; --bg-elev:#1C1C1E; --card:#1C1C1E; --text:#FFFFFF;
    --text-2:#98989F; --text-3:#6E6E73; --sep:rgba(84,84,88,.4);
    --fill:rgba(120,120,128,.24); --header-bg:rgba(0,0,0,.7);
    --shadow:0 1px 3px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.5);
  }
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:var(--font); background:var(--bg); color:var(--text);
  -webkit-font-smoothing:antialiased; overscroll-behavior-y:none;
  font-size:15px; line-height:1.38;
}
.hidden{display:none !important}
button{font-family:inherit;cursor:pointer}

/* ---------------- LOGIN ---------------- */
.auth-screen{
  min-height:100vh; min-height:100dvh; display:flex; align-items:center;
  justify-content:center; padding:24px;
  background:linear-gradient(160deg,#0A84FF 0%,#5856D6 100%);
}
.auth-card{
  width:100%; max-width:380px; background:var(--bg-elev);
  border-radius:28px; padding:32px 24px; box-shadow:0 20px 60px rgba(0,0,0,.3);
}
.brand{text-align:center;margin-bottom:24px}
.brand-logo{
  width:64px;height:64px;border-radius:18px;margin:0 auto 12px;
  background:linear-gradient(160deg,#0A84FF,#5856D6); color:#fff;
  font-size:34px;font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(10,132,255,.4);
}
.brand h1{margin:0;font-size:28px;font-weight:800;letter-spacing:-.5px}
.brand-sub{margin:4px 0 0;color:var(--text-2);font-size:15px}
.auth-form{display:flex;flex-direction:column;gap:14px}
.auth-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-2);font-weight:600}
.auth-form input{
  font-size:17px;padding:14px;border:none;border-radius:var(--radius-sm);
  background:var(--fill);color:var(--text);outline:none;
}
.auth-hint{margin:0;color:var(--text-2);font-size:14px;text-align:center}
.auth-msg{margin:4px 0 0;font-size:14px;text-align:center;min-height:18px}
.auth-msg.error{color:var(--red)} .auth-msg.ok{color:var(--green)}

.btn{border:none;border-radius:var(--radius-sm);padding:13px 16px;font-size:15px;font-weight:600;background:var(--fill);color:var(--text)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:active{opacity:.85}
.btn-block{width:100%}
.btn-link{background:none;border:none;color:var(--blue);font-size:15px;font-weight:600;padding:6px}
.btn-danger{background:rgba(255,59,48,.12);color:var(--red)}

/* ---------------- APP SHELL ---------------- */
.app-shell{min-height:100vh;min-height:100dvh;padding-bottom:calc(64px + var(--safe-bottom))}
.app-header{
  position:sticky;top:0;z-index:20;padding:calc(var(--safe-top) + 10px) 20px 10px;
  background:var(--header-bg);backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:.5px solid var(--sep);
}
.header-row{display:flex;align-items:flex-end;justify-content:space-between;gap:12px}
.header-eyebrow{margin:0;font-size:12px;color:var(--text-2);font-weight:600}
.header-title{margin:2px 0 0;font-size:23px;font-weight:800;letter-spacing:-.5px}
.header-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:none;background:var(--fill);
  color:var(--text);font-size:17px;display:flex;align-items:center;justify-content:center;
}
.perfil-switch{
  border:none;background:var(--fill);color:var(--text);border-radius:20px;
  padding:8px 12px;font-size:14px;font-weight:600;max-width:130px;
}
.app-main{padding:16px;max-width:680px;margin:0 auto}

/* ---------------- CARDS ---------------- */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:15px;margin-bottom:12px}
.card-title{font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-2);font-weight:700;margin:0 0 10px}

/* Balance hero */
.hero{background:linear-gradient(160deg,#0A84FF,#5856D6);color:#fff;border:none}
.hero .card-title{color:rgba(255,255,255,.8)}
.hero-balance{font-size:30px;font-weight:800;letter-spacing:-1px;margin:0}
.hero-row{display:flex;gap:20px;margin-top:14px}
.hero-stat .lbl{font-size:12px;opacity:.85;display:flex;align-items:center;gap:5px}
.hero-stat .val{font-size:18px;font-weight:700;margin-top:2px}

/* Lista de movimientos / items */
.list{display:flex;flex-direction:column}
.item{display:flex;align-items:center;gap:11px;padding:10px 0;border-bottom:.5px solid var(--sep)}
.item:last-child{border-bottom:none}
.item-ico{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;flex-shrink:0}
.item-body{flex:1;min-width:0}
.item-title{font-size:14.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item-sub{font-size:12px;color:var(--text-2);line-height:1.3}
.item-amount{font-size:14.5px;font-weight:700;white-space:nowrap}
.amount-in{color:var(--green)} .amount-out{color:var(--text)}

/* barras categoría */
.catbar{margin:10px 0}
.catbar-top{display:flex;justify-content:space-between;font-size:14px;margin-bottom:5px}
.catbar-track{height:8px;border-radius:5px;background:var(--fill);overflow:hidden}
.catbar-fill{height:100%;border-radius:5px}

/* cuentas grid */
.acct{display:flex;align-items:center;gap:12px;padding:14px;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:10px}
.acct-bal{margin-left:auto;font-weight:700}

/* FAB */
.fab{
  position:fixed;right:20px;bottom:calc(72px + var(--safe-bottom));z-index:30;
  width:58px;height:58px;border-radius:50%;border:none;background:var(--blue);color:#fff;
  font-size:30px;font-weight:300;box-shadow:0 8px 24px rgba(10,132,255,.5);
  display:flex;align-items:center;justify-content:center;
}
.fab:active{transform:scale(.92)}

/* Botón flotante del asistente IA (sobre el +) */
.fab-assistant{
  position:fixed;right:23px;bottom:calc(138px + var(--safe-bottom));z-index:30;
  width:52px;height:52px;border-radius:50%;border:none;
  background:linear-gradient(160deg,#5856D6,#AF52DE);color:#fff;font-size:24px;
  box-shadow:0 6px 20px rgba(88,86,214,.5);display:flex;align-items:center;justify-content:center;
}
.fab-assistant:active{transform:scale(.92)}

/* Visor de reporte/export a pantalla casi completa dentro de la app */
.modal-sheet.full{max-height:96vh;height:96vh;display:flex;flex-direction:column;padding-bottom:0}
.viewer-head{display:flex;gap:8px;align-items:center;margin-bottom:10px}
.viewer-head .sheet-title{flex:1;margin:0}
.viewer-frame{flex:1;width:100%;border:none;border-radius:12px;background:#fff}
.viewer-actions{display:flex;gap:8px;padding:10px 0 calc(14px + var(--safe-bottom))}
.viewer-actions .btn{flex:1}

/* Tab bar */
.tabbar{
  position:fixed;bottom:0;left:0;right:0;z-index:25;display:flex;
  padding:6px 0 calc(6px + var(--safe-bottom));
  background:var(--header-bg);backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);border-top:.5px solid var(--sep);
}
.tab{flex:1;background:none;border:none;color:var(--text-3);font-size:10px;font-weight:600;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px}
.tab .tab-ico{font-size:22px}
.tab.active{color:var(--blue)}

/* ---------------- MODAL (bottom sheet) ---------------- */
.modal{position:fixed;inset:0;z-index:50;display:flex;align-items:flex-end;justify-content:center}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.4);backdrop-filter:blur(2px)}
.modal-sheet{
  position:relative;width:100%;max-width:560px;background:var(--bg-elev);
  border-radius:22px 22px 0 0;padding:8px 20px calc(24px + var(--safe-bottom));
  max-height:92vh;overflow-y:auto;animation:slideUp .28s cubic-bezier(.32,.72,0,1);
}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.modal-handle{width:36px;height:5px;border-radius:3px;background:var(--text-3);opacity:.4;margin:8px auto 14px}
.sheet-title{font-size:19px;font-weight:800;margin:0 0 14px}

/* Form */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.field>span{font-size:12px;color:var(--text-2);font-weight:600}
.field input,.field select,.field textarea{
  font-size:16px;padding:12px;border:none;border-radius:var(--radius-sm);
  background:var(--fill);color:var(--text);outline:none;width:100%;
}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.seg{display:flex;background:var(--fill);border-radius:11px;padding:3px;margin-bottom:14px}
.seg button{flex:1;border:none;background:none;color:var(--text);font-weight:600;padding:9px;border-radius:9px;font-size:15px}
.seg button.active{background:var(--bg-elev);box-shadow:0 1px 3px rgba(0,0,0,.15)}
.chip-grid{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.chip{padding:8px 12px;border-radius:20px;background:var(--fill);border:none;color:var(--text);font-size:14px;font-weight:600}
.chip.active{background:var(--blue);color:#fff}

/* Ajustes list */
.settings-group{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;margin-bottom:18px}
.settings-row{display:flex;align-items:center;gap:12px;padding:13px 15px;border-bottom:.5px solid var(--sep);width:100%;background:none;border-left:none;border-right:none;border-top:none;color:var(--text);font-size:14.5px;text-align:left}
.settings-row:last-child{border-bottom:none}
.settings-row .chev{margin-left:auto;color:var(--text-3)}

/* Toast */
.toast{position:fixed;bottom:calc(90px + var(--safe-bottom));left:50%;transform:translateX(-50%);
  background:#1C1C1E;color:#fff;padding:12px 20px;border-radius:14px;font-size:15px;z-index:60;
  box-shadow:0 8px 24px rgba(0,0,0,.4);animation:fadeIn .2s}
@keyframes fadeIn{from{opacity:0;transform:transl(-50%,8px)}to{opacity:1}}

.monthnav{display:flex;align-items:center;justify-content:center;gap:14px;margin:4px 0 12px}
.monthnav span{font-weight:700;font-size:15px;min-width:130px;text-align:center;text-transform:capitalize}
.empty{text-align:center;color:var(--text-2);padding:40px 20px}
.empty .big{font-size:44px;margin-bottom:8px}

/* Badge campanita */
.icon-btn{position:relative}
.badge{position:absolute;top:-2px;right:-2px;min-width:18px;height:18px;padding:0 4px;
  border-radius:9px;background:var(--red);color:#fff;font-size:11px;font-weight:700;
  display:flex;align-items:center;justify-content:center;border:2px solid var(--header-bg)}

/* Resumen de dos columnas (por cobrar / por pagar) */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.duo .card{margin:0;text-align:center}
.duo .big-num{font-size:24px;font-weight:800;margin:4px 0 0}

/* Barra de progreso genérica */
.prog{height:8px;border-radius:5px;background:var(--fill);overflow:hidden;margin-top:8px}
.prog-fill{height:100%;border-radius:5px;transition:width .4s}
.prog-over{background:var(--red)!important}

.pill{display:inline-block;padding:3px 9px;border-radius:20px;font-size:12px;font-weight:700}
.pill-in{background:rgba(52,199,89,.15);color:var(--green)}
.pill-out{background:rgba(255,59,48,.15);color:var(--red)}
.pill-ok{background:rgba(52,199,89,.15);color:var(--green)}

/* Calendario mini */
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-top:8px}
.cal-dow{text-align:center;font-size:11px;color:var(--text-2);font-weight:700;padding:4px 0}
.cal-day{aspect-ratio:1;border-radius:10px;display:flex;flex-direction:column;align-items:center;
  justify-content:center;font-size:14px;background:var(--fill);position:relative}
.cal-day.empty-day{background:transparent}
.cal-day.today{outline:2px solid var(--blue)}
.cal-dot{width:6px;height:6px;border-radius:50%;margin-top:2px}
.cal-day.has-ev{cursor:pointer}

@media(min-width:680px){
  .app-main{padding:24px}
  .fab{right:calc(50% - 320px)}
}