:root{
  --bd-dark:#1a1a1a;
  --bd-gold:#c9a15a;
  --bd-bg:#f4f4f5;
  --bd-card:#ffffff;
  --bd-text:#1f2937;
  --bd-muted:#6b7280;
  --bd-border:#e5e7eb;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%} /* evita que Safari en iPhone reescale el texto solo */
body{
  margin:0;
  font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background:var(--bd-bg);
  color:var(--bd-text);
  -webkit-font-smoothing:antialiased; /* texto más nítido en Mac/Safari */
}
a{color:inherit;text-decoration:none}
.bd-topbar{
  background:var(--bd-dark);color:#fff;padding:14px 22px;
  display:flex;align-items:center;justify-content:space-between;
}
.bd-topbar .brand{font-weight:700;letter-spacing:.5px;color:var(--bd-gold)}
.bd-topbar nav a{margin-left:16px;font-size:14px;color:#d1d5db}
.bd-topbar nav a.active,.bd-topbar nav a:hover{color:#fff}
.bd-shell{display:flex;min-height:calc(100vh - 54px)}
.bd-sidebar{
  width:210px;background:#111827;color:#e5e7eb;padding:18px 0;flex-shrink:0;
}
.bd-sidebar a{display:block;padding:10px 20px;font-size:14px;color:#cbd5e1}
.bd-sidebar a.active{background:var(--bd-gold);color:#1a1a1a;font-weight:600}
.bd-sidebar a:hover{background:#1f2937}
.bd-submenu summary{
  display:block;padding:10px 20px;font-size:14px;color:#cbd5e1;cursor:pointer;
  list-style:none;user-select:none;
}
.bd-submenu summary::-webkit-details-marker{display:none} /* oculta la flecha nativa en Safari/Chrome */
.bd-submenu summary::after{content:'▸';float:right;transition:transform .15s ease}
.bd-submenu[open] summary::after{transform:rotate(90deg)}
.bd-submenu summary:hover{background:#1f2937}
.bd-submenu a{padding-left:38px !important;font-size:13px !important}
.bd-main{flex:1;padding:24px;overflow-x:auto}
.bd-card{background:var(--bd-card);border:1px solid var(--bd-border);border-radius:10px;padding:18px;margin-bottom:18px}
.bd-grid{display:grid;gap:16px}
.bd-grid.cols-2{grid-template-columns:repeat(2,1fr)}
.bd-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.bd-grid.cols-4{grid-template-columns:repeat(4,1fr)}
.kpi{font-size:26px;font-weight:700}
.kpi-label{font-size:13px;color:var(--bd-muted)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:8px 10px;border-bottom:1px solid var(--bd-border);text-align:left}
th{color:var(--bd-muted);font-weight:600;font-size:12px;text-transform:uppercase}
.btn{
  display:inline-block;padding:8px 14px;border-radius:6px;border:1px solid var(--bd-border);
  background:#fff;cursor:pointer;font-size:14px;color:var(--bd-text);
  -webkit-appearance:none;appearance:none;
}
.btn:hover{background:#f3f4f6}
.btn-primary{background:var(--bd-dark);color:#fff;border-color:var(--bd-dark)}
.btn-primary:hover{background:#000}
.btn-gold{background:var(--bd-gold);color:#1a1a1a;border-color:var(--bd-gold)}
.btn-sm{padding:4px 9px;font-size:12px}
.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:11px;color:#fff;font-weight:600}
input,select,textarea{
  width:100%;padding:9px 10px;border:1px solid var(--bd-border);border-radius:6px;font-size:16px;
}
label{font-size:13px;font-weight:600;display:block;margin-bottom:4px;margin-top:10px}
.form-row{display:flex;gap:12px}
.form-row > div{flex:1}
.alert{padding:10px 14px;border-radius:8px;font-size:14px;margin-bottom:14px}
.alert-error{background:#fee2e2;color:#991b1b}
.alert-ok{background:#dcfce7;color:#166534}
.agenda-col{min-width:230px;background:#fff;border:1px solid var(--bd-border);border-radius:10px;padding:10px;margin-right:12px}
.agenda-col h4{margin:0 0 8px;font-size:14px}
.appt-card{border-left:4px solid #ccc;background:#fafafa;border-radius:6px;padding:8px;margin-bottom:8px;font-size:13px}
.appt-card .time{font-weight:700}
.appt-card select{margin-top:6px;font-size:12px;padding:4px}
.loyalty-track{display:flex;gap:4px;margin-top:6px}
.loyalty-dot{width:16px;height:16px;border-radius:50%;background:#e5e7eb}
.loyalty-dot.filled{background:var(--bd-gold)}
.login-wrap{max-width:360px;margin:80px auto;padding:0 16px}
.text-muted{color:var(--bd-muted)}
.flex-between{display:flex;align-items:center;justify-content:space-between}

/* ==================== Responsivo (celular y tablet) ==================== */
.hamburger{
  display:none;background:none;border:none;color:#fff;font-size:22px;
  cursor:pointer;padding:2px 8px;line-height:1;margin-right:10px;
  -webkit-appearance:none;appearance:none;border-radius:0;
}
.sidebar-overlay{display:none}

@media (max-width: 860px){
  .bd-topbar{padding:12px 14px}
  .bd-topbar .user-info{display:none} /* nombre/rol se oculta, sobra espacio en pantallas chicas */
  .hamburger{display:inline-block}

  .flex-between{flex-wrap:wrap;gap:8px}

  .bd-shell{position:relative}
  .bd-sidebar{
    position:fixed;top:0;left:0;bottom:0;z-index:60;
    width:230px;max-width:80vw;padding-top:60px;
    transform:translateX(-100%);
    transition:transform .2s ease;
    box-shadow:2px 0 16px rgba(0,0,0,.35);
  }
  .bd-sidebar.abierto{transform:translateX(0)}
  .sidebar-overlay.abierto{
    display:block;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:55;
  }
  .bd-main{padding:14px;width:100%;min-width:0}

  .bd-grid.cols-2,.bd-grid.cols-3,.bd-grid.cols-4{grid-template-columns:1fr}
  .form-row{flex-direction:column;gap:0}
  .bd-card{overflow-x:auto;padding:14px}
  table{font-size:13px}
  th,td{padding:7px 6px}

  /* Modales (walk-in, fila de espera, asignar, etc.) que ya no se salgan de la pantalla */
  div[id$="Modal"] > .bd-card{width:min(360px,90vw) !important;max-height:88vh;overflow-y:auto}

  .agenda-col{min-width:200px}
}

@media (max-width: 480px){
  .bd-grid{gap:12px}
  .kpi{font-size:22px}
  h2{font-size:19px}
}