/* ===================================================================
   CUFA · Sistema Interno · Estilos
   Paleta dark clonada de las capturas de referencia.
=================================================================== */
:root{
  --bg:#0a0a0b;
  --bg-side:#0e0e10;
  --card:#151517;
  --card-2:#1b1b1f;
  --line:#232327;
  --line-soft:#1c1c20;
  --txt:#f4f4f5;
  --txt-dim:#8b8b93;
  --txt-faint:#5c5c64;
  --green:#22c55e;
  --green-soft:rgba(34,197,94,.14);
  --red:#ef4444;
  --red-soft:rgba(239,68,68,.14);
  --amber:#f59e0b;
  --blue:#3b82f6;
  --violet:#8b5cf6;
  --radius:14px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --mono:'JetBrains Mono','SF Mono',ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--bg);color:var(--txt);font-family:var(--font);
  font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;
}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select{font-family:inherit}
.hidden{display:none!important}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.pos{color:var(--green)}
.neg{color:var(--red)}

/* ---------- LOGIN ---------- */
#login-view{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:radial-gradient(1200px 600px at 50% -10%,rgba(34,197,94,.08),transparent 60%),var(--bg);
}
.login-card{
  width:100%;max-width:380px;background:var(--card);border:1px solid var(--line);
  border-radius:18px;padding:34px 30px;box-shadow:0 30px 80px rgba(0,0,0,.5);
}
.login-card .brand{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.login-card .brand img{height:26px}
.login-card .brand span{font-weight:700;letter-spacing:.5px;font-size:18px}
.login-card h1{font-size:16px;margin:18px 0 4px}
.login-card p.sub{color:var(--txt-dim);font-size:13px;margin-bottom:22px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:var(--txt-dim);margin-bottom:6px}
.field input,.field select{
  width:100%;background:#0f0f11;border:1px solid var(--line);border-radius:10px;
  padding:11px 13px;color:var(--txt);font-size:14px;transition:border .15s;
}
.field input:focus,.field select:focus{outline:none;border-color:#3a3a42}
.btn-primary{
  width:100%;background:#f4f4f5;color:#0a0a0b;font-weight:600;padding:12px;
  border-radius:10px;transition:opacity .15s;
}
.btn-primary:hover{opacity:.9}
.btn-primary:disabled{opacity:.5;cursor:not-allowed}
.login-err{color:var(--red);font-size:13px;margin-top:12px;min-height:18px}
.login-foot{margin-top:18px;text-align:center;font-size:12px;color:var(--txt-faint)}
.login-foot a{color:var(--txt-dim);cursor:pointer;text-decoration:underline}

/* ---------- APP SHELL ---------- */
#app-view{display:flex;min-height:100vh}
.sidebar{
  width:230px;flex-shrink:0;background:var(--bg-side);border-right:1px solid var(--line-soft);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.sidebar .logo{display:flex;align-items:center;gap:9px;padding:22px 20px 26px}
.sidebar .logo img{height:24px}
.sidebar .logo span{font-weight:700;letter-spacing:.5px}
.nav{display:flex;flex-direction:column;gap:2px;padding:0 12px}
.nav a{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:9px;
  color:var(--txt-dim);font-size:14px;transition:.13s;cursor:pointer;
}
.nav a svg{width:18px;height:18px;flex-shrink:0}
.nav a:hover{background:var(--card);color:var(--txt)}
.nav a.active{background:var(--card-2);color:var(--txt);font-weight:600}
.sidebar .foot{margin-top:auto;padding:18px 20px;border-top:1px solid var(--line-soft)}
.sidebar .foot .who{font-size:13px;font-weight:600}
.sidebar .foot .role{font-size:11px;color:var(--txt-faint);text-transform:uppercase;letter-spacing:.5px}
.sidebar .foot button{margin-top:10px;font-size:12px;color:var(--txt-dim)}
.sidebar .foot button:hover{color:var(--red)}

.main{flex:1;padding:30px 34px;overflow-x:hidden;max-width:100%}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:24px;gap:16px;flex-wrap:wrap}
.page-head h1{font-size:22px;font-weight:700}
.page-head .sub{color:var(--txt-dim);font-size:13px;margin-top:2px}
.head-actions{display:flex;gap:10px;align-items:center}

.btn{padding:9px 15px;border-radius:9px;font-size:13px;font-weight:600;border:1px solid var(--line);background:var(--card);color:var(--txt);transition:.13s;display:inline-flex;align-items:center;gap:7px}
.btn:hover{background:var(--card-2);border-color:#33333a}
.btn.solid{background:#f4f4f5;color:#0a0a0b;border-color:transparent}
.btn.solid:hover{opacity:.9;background:#f4f4f5}
.btn.small{padding:6px 10px;font-size:12px}

.select-sm{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:8px 11px;color:var(--txt);font-size:13px}

/* ---------- KPI CARDS ---------- */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;position:relative;overflow:hidden}
.kpi.accent-green{border-left:3px solid var(--green)}
.kpi.accent-red{border-left:3px solid var(--red)}
.kpi .label{font-size:11px;color:var(--txt-dim);text-transform:uppercase;letter-spacing:.6px;margin-bottom:10px}
.kpi .val{font-family:var(--mono);font-size:24px;font-weight:700;letter-spacing:-.5px}

/* ---------- PANELS / CHARTS ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.panel-head h3{font-size:15px;font-weight:600}
.panel .chart-wrap{position:relative;height:260px}
.mini-chart{height:220px;display:flex;align-items:center;gap:18px}
.mini-chart .cvs{position:relative;width:200px;height:200px;flex-shrink:0}
.mini-chart .legend{flex:1;display:flex;flex-direction:column;gap:12px}
.legend-row{display:flex;align-items:center;justify-content:space-between;font-size:13px}
.legend-row .l{display:flex;align-items:center;gap:9px;color:var(--txt-dim)}
.legend-row .dot{width:9px;height:9px;border-radius:50%}
.legend-row .pct{font-family:var(--mono);color:var(--txt)}

.toggle{display:inline-flex;background:#0f0f11;border:1px solid var(--line);border-radius:8px;padding:3px}
.toggle button{padding:5px 12px;border-radius:6px;font-size:11px;font-weight:600;color:var(--txt-dim);text-transform:uppercase;letter-spacing:.4px}
.toggle button.on{background:var(--card-2);color:var(--txt)}

/* ---------- TABLE ---------- */
.table-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
table{width:100%;border-collapse:collapse}
thead th{
  text-align:left;font-size:11px;color:var(--txt-faint);text-transform:uppercase;letter-spacing:.6px;
  font-weight:600;padding:14px 18px;border-bottom:1px solid var(--line);background:var(--card);
}
tbody td{padding:15px 18px;border-bottom:1px solid var(--line-soft);font-size:13px;vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:rgba(255,255,255,.015)}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:3px 9px;border-radius:20px;background:var(--card-2)}
.tag .dot{width:6px;height:6px;border-radius:50%}
.tag.ingreso .dot{background:var(--green)}
.tag.gasto .dot{background:var(--red)}
.tag.status .dot{background:var(--blue)}
.amount{font-family:var(--mono);font-weight:600}
.row-actions{display:flex;gap:6px;justify-content:flex-end}
.icon-btn{width:30px;height:30px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;color:var(--txt-faint);transition:.13s}
.icon-btn:hover{background:var(--card-2);color:var(--txt)}
.icon-btn.danger:hover{color:var(--red)}
.icon-btn svg{width:15px;height:15px}
.empty{padding:40px;text-align:center;color:var(--txt-faint);font-size:13px}

/* ---------- MODAL ---------- */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.modal{width:100%;max-width:520px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 30px 80px rgba(0,0,0,.6);max-height:90vh;overflow-y:auto}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--line)}
.modal-head h3{font-size:17px;font-weight:600}
.modal-head .x{color:var(--txt-faint);font-size:22px;line-height:1}
.modal-head .x:hover{color:var(--txt)}
.modal-body{padding:22px 24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
.seg{display:inline-flex;width:100%;background:#0f0f11;border:1px solid var(--line);border-radius:10px;padding:4px}
.seg button{flex:1;padding:8px;border-radius:7px;font-size:13px;font-weight:600;color:var(--txt-dim)}
.seg button.on-green{background:var(--green-soft);color:var(--green)}
.seg button.on-red{background:var(--red-soft);color:var(--red)}
.calc-hint{font-size:11px;color:var(--txt-faint);margin-top:5px}
.calc-hint b{color:var(--green);font-family:var(--mono)}

/* categorías list dentro del modal */
.cat-list{margin-top:8px;display:flex;flex-direction:column;gap:8px}
.cat-item{display:flex;align-items:center;justify-content:space-between;background:#0f0f11;border:1px solid var(--line);border-radius:9px;padding:10px 13px}
.cat-item .nm{font-size:13px}
.section-label{font-size:11px;color:var(--txt-faint);text-transform:uppercase;letter-spacing:.6px;margin:18px 0 4px}
.inline-add{display:flex;gap:8px}
.inline-add input{flex:1}

/* toast */
#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--card-2);border:1px solid var(--line);color:var(--txt);padding:11px 18px;border-radius:10px;font-size:13px;box-shadow:0 12px 40px rgba(0,0,0,.5);opacity:0;transition:.25s;pointer-events:none;z-index:100}
#toast.show{opacity:1;transform:translateX(-50%) translateY(-4px)}
#toast.err{border-color:var(--red);color:#fca5a5}

/* loader */
.loader{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
#boot{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:var(--bg);z-index:200}

/* responsive */
@media(max-width:900px){
  .kpis{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .sidebar{position:fixed;left:-240px;z-index:60;transition:.2s;box-shadow:0 0 40px rgba(0,0,0,.6)}
  .sidebar.open{left:0}
  .main{padding:20px}
  .menu-toggle{display:inline-flex!important}
}
.menu-toggle{display:none}