/* ===================================================================
   Restaurant IA — Estilos base
   Diseño: cálido (acento tierra/chile), alto contraste, táctil.
   Mobile-first, botones grandes, pocos clics.
   =================================================================== */
:root{
  --bg:#16110d;            /* fondo casi negro cálido */
  --surface:#2a2018;       /* tarjetas (más visibles sobre el fondo) */
  --surface-2:#372b20;     /* campos, hover */
  --border:#4a3d30;        /* bordes más visibles */
  --text:#f7f0e6;          /* texto crema brillante */
  --text-dim:#cdbda8;      /* texto secundario MÁS legible */
  --accent:#e8622c;        /* naranja chile */
  --accent-2:#f6b73e;      /* amarillo maíz (más brillante) */
  --green:#4cbe78;
  --red:#e5484d;
  --blue:#5a9fe0;
  --radius:14px;
  --shadow:0 4px 16px rgba(0,0,0,.35);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  font-size:16px;
  line-height:1.45;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;font-size:1rem}
input,select,textarea{font-family:inherit;font-size:1rem}

/* ---------- Layout app ---------- */
.app{display:flex;min-height:100vh}
.sidebar{
  width:240px;background:var(--surface);border-right:1px solid var(--border);
  display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:50;
  transform:translateX(0);transition:transform .25s ease;
}
.sidebar.collapsed{transform:translateX(-100%)}
.sidebar__brand{
  padding:20px 18px;font-weight:800;font-size:1.2rem;letter-spacing:-.02em;
  border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;
}
.sidebar__brand .dot{width:12px;height:12px;border-radius:50%;background:var(--accent)}
.sidebar__nav{flex:1;overflow-y:auto;padding:10px 8px}
.nav-item{
  display:flex;align-items:center;gap:12px;padding:13px 14px;border-radius:10px;
  color:var(--text-dim);font-weight:600;margin-bottom:2px;transition:.15s;
}
.nav-item:hover{background:var(--surface-2);color:var(--text)}
.nav-item.active{background:var(--accent);color:#fff}
.nav-item .ico{font-size:1.2rem;width:24px;text-align:center}
.sidebar__foot{padding:14px;border-top:1px solid var(--border);font-size:.85rem;color:var(--text-dim)}

.main{flex:1;margin-left:240px;display:flex;flex-direction:column;min-width:0;transition:margin .25s}
.main.full{margin-left:0}
.topbar{
  height:60px;background:var(--surface);border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:14px;padding:0 18px;position:sticky;top:0;z-index:40;
}
.topbar h1{font-size:1.15rem;font-weight:700}
.burger{background:var(--surface-2);border-radius:8px;padding:9px 12px;color:var(--text);font-size:1.1rem;display:none}
.topbar__spacer{flex:1}
.chip{background:var(--surface-2);padding:7px 13px;border-radius:20px;font-size:.85rem;color:var(--text-dim)}
.content{padding:18px;flex:1}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 18px;border-radius:10px;font-weight:700;background:var(--surface-2);
  color:var(--text);transition:.15s;min-height:46px;
}
.btn:hover{filter:brightness(1.12)}
.btn:active{transform:scale(.98)}
.btn--accent{background:var(--accent);color:#fff}
.btn--green{background:var(--green);color:#fff}
.btn--red{background:var(--red);color:#fff}
.btn--blue{background:var(--blue);color:#fff}
.btn--ghost{background:transparent;border:1px solid var(--border)}
.btn--lg{padding:18px 24px;font-size:1.1rem;min-height:58px}
.btn--block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- Tarjetas ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.grid{display:grid;gap:14px}
.kpis{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.kpi{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.kpi .label{color:var(--text-dim);font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.kpi .value{font-size:1.9rem;font-weight:800;margin-top:6px;letter-spacing:-.02em}
.kpi .value.accent{color:var(--accent-2)}

/* ---------- Formularios ---------- */
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px;color:var(--text-dim)}
.input,select.input,textarea.input{
  width:100%;padding:13px 14px;background:var(--surface-2);border:1px solid var(--border);
  border-radius:10px;color:var(--text);transition:.15s;
}
.input:focus{outline:none;border-color:var(--accent)}

/* ---------- Tablas ---------- */
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border)}
.table th{color:var(--text-dim);font-size:.82rem;text-transform:uppercase;letter-spacing:.03em;font-weight:700}
.table tbody tr:hover{background:var(--surface-2)}

/* ---------- Badges ---------- */
.badge{display:inline-block;padding:4px 10px;border-radius:20px;font-size:.78rem;font-weight:700}
.badge--green{background:rgba(63,174,107,.18);color:#6fdc99}
.badge--red{background:rgba(229,72,77,.18);color:#ff8a8d}
.badge--amber{background:rgba(240,169,44,.18);color:#ffce6e}
.badge--blue{background:rgba(74,144,217,.18);color:#8fc0f0}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:radial-gradient(1200px 600px at 50% -10%,rgba(232,98,44,.18),transparent),var(--bg)}
.login-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);
  border-radius:20px;padding:34px 28px;box-shadow:var(--shadow)}
.login-card .brand{text-align:center;margin-bottom:24px}
.login-card .brand .big{font-size:1.6rem;font-weight:800;letter-spacing:-.02em}
.login-card .brand .sub{color:var(--text-dim);font-size:.9rem;margin-top:4px}
.alert{padding:12px 14px;border-radius:10px;font-weight:600;font-size:.9rem;margin-bottom:14px}
.alert--error{background:rgba(229,72,77,.15);color:#ff8a8d;border:1px solid rgba(229,72,77,.3)}

/* ---------- Toast ---------- */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(100px);
  background:var(--surface-2);border:1px solid var(--border);padding:14px 22px;border-radius:12px;
  font-weight:600;box-shadow:var(--shadow);z-index:9999;opacity:0;transition:.3s}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}
.toast--ok{border-color:var(--green)}
.toast--err{border-color:var(--red)}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .burger{display:inline-flex}
  .sidebar__overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:45;display:none}
  .sidebar__overlay.show{display:block}
}