:root {
  --color-rojo: #e53935;
  --color-azul: #1976d2;
  --color-naranja: #fb8c00;
  --color-gris: #f4f4f4;
  --color-texto: #333;
  --color-fondo: #fafafa;
  --color-borde: #ddd;
  --radius: 10px;
  --trans: 0.2s ease;
  font-family: "Poppins", sans-serif;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-fondo);
  color: var(--color-texto);
  font-size: 14px;
  font-family: "Poppins", sans-serif;
  height: 100%;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-weight: 600;
  margin: 0;
}

button {
  font-family: inherit;
  transition: var(--trans);
}

/* Estilo de cabecera global */
.header-global {
  background: var(--color-rojo);
  color: #fff;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.5px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.header-global img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.hidden {
  display: none !important;
}

main section {
  transition: opacity .25s ease, transform .25s ease;
}
main section.hidden {
  opacity: 0;
  transform: translateX(30px);
  pointer-events: none;
}

#toastStack{
  position:fixed;
  top:calc(12px + env(safe-area-inset-top));
  left:50%;
  transform:translateX(-50%);
  width:min(360px,92vw);
  display:flex;
  flex-direction:column;
  gap:8px;
  z-index:1300;
  pointer-events:none;
}
.toast{
  background:rgba(15,23,42,.92);
  color:#f8fafc;
  padding:10px 12px;
  border-radius:12px;
  font-size:12px;
  line-height:1.35;
  box-shadow:0 10px 25px rgba(15,23,42,.35);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(6px);
  opacity:0;
  transform:translateY(-8px);
  transition:opacity .2s ease, transform .2s ease;
  pointer-events:auto;
  cursor:pointer;
}
.toast.show{opacity:1;transform:translateY(0);}
.toast-success{
  background:linear-gradient(135deg,#0f766e,#16a34a);
}
.toast-error{
  background:linear-gradient(135deg,#b91c1c,#ef4444);
}
.toast-warn{
  background:linear-gradient(135deg,#b45309,#f59e0b);
}
.toast-info{
  background:linear-gradient(135deg,#0f172a,#1f2937);
}

body.confirm-open{overflow:hidden;}
.confirm-modal{
  position:fixed;
  inset:0;
  background:rgba(15,23,42,.45);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:16px;
  z-index:1400;
}
.confirm-modal.hidden{display:none;}
.confirm-card{
  background:#ffffff;
  color:#0f172a;
  border-radius:18px;
  padding:18px 18px 16px;
  width:min(380px,92vw);
  box-shadow:0 20px 45px rgba(15,23,42,.35);
  transform:translateY(6px);
  opacity:0;
  animation:confirmIn .2s ease forwards;
}
.confirm-card h3{
  margin:0 0 6px;
  font-size:16px;
}
.confirm-card p{
  margin:0 0 14px;
  font-size:13px;
  color:#64748b;
}
.confirm-actions{
  display:flex;
  justify-content:flex-end;
  gap:10px;
}
.confirm-btn{
  border:none;
  border-radius:10px;
  padding:8px 12px;
  font-weight:700;
  cursor:pointer;
  font-size:13px;
}
.confirm-btn.ghost{background:#eef2ff;color:#1f2937;}
.confirm-btn.primary{background:#2563eb;color:#fff;}
.confirm-btn.danger{background:#ef4444;color:#fff;}

@keyframes confirmIn{
  to{opacity:1;transform:translateY(0);}
}

.app-loader{
  position:fixed;
  inset:0;
  z-index:2000;
  display:flex;
  align-items:center;
  justify-content:center;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(255,255,255,.15), transparent 60%),
    radial-gradient(900px 500px at 85% 0%, rgba(255,255,255,.12), transparent 60%),
    linear-gradient(135deg, #7f1d1d 0%, #b91c1c 45%, #ef4444 100%);
  color:#fff;
  transition:opacity .3s ease;
}
.app-loader.hide{
  opacity:0;
  pointer-events:none;
}
.loader-card{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  padding:20px 24px;
  border-radius:18px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  box-shadow:0 18px 40px rgba(15,23,42,.35);
  backdrop-filter:blur(8px);
}
.loader-ring{
  width:46px;
  height:46px;
  border-radius:50%;
  border:3px solid rgba(255,255,255,.35);
  border-top-color:#fff;
  animation:spin 1s linear infinite;
}
.loader-title{
  font-size:12px;
  letter-spacing:.2em;
  text-transform:uppercase;
}
.loader-sub{
  font-size:12px;
  color:rgba(255,255,255,.85);
}
@keyframes spin{
  to{transform:rotate(360deg);}
}