/* ========== Reset ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }

/* ========== Paleta & Vars ========== */
:root{
  --bg1: #0b1220;  /* azul muy oscuro */
  --bg2: #2a1714;  /* azul grisáceo */
  --t1: #ffffff;   /* teal suave */
  --t2: #ffffff;   /* azul pastel */
  --t3: #ffffff;   /* malva suave */
  --glass: rgba(255,255,255,0.08);
  --glass-strong: rgba(24,26,33,0.55);
  --text: #eef3ff;
  --muted: #c9d3e7;
  --accent: #79c9ff;
  --accent-2: #91ffd9;
}

/* ========== Fondo base calmado ========== */
body.calm-bg{
  font-family: "Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  min-height: 100vh;
  color: var(--text);
  display: grid;
  place-items: center;
  background:
    radial-gradient(1200px 800px at 10% 20%, rgba(123, 170, 255, 0.10), transparent 60%),
    radial-gradient(900px 700px at 85% 30%, rgba(145, 255, 217, 0.08), transparent 60%),
    linear-gradient(180deg, var(--bg1) 0%, var(--bg2) 100%);
  position: relative;
  overflow: hidden;
}

/* Lienzo de orbs animados */
.bg-canvas{
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* Overlay muy sutil para contraste */
body.calm-bg::before{
  content:"";
  position: fixed;
  inset: 0;
  background: radial-gradient(1200px 900px at 50% 110%, rgba(0,0,0,0.35), transparent 10%);
  z-index: 0;
  pointer-events: none;
}

/* ========== Layout ========== */
.header{
  width: 100%;
  display: grid;
  place-items: center;
  position: relative;
  z-index: 1; /* sobre el canvas */
}

.header-content{
  width: min(92vw, 420px);
}

/* ========== Formulario ========== */
.login-box{
  width: 100%;
  padding: 40px 34px;
  border-radius: 20px;

  /* Truco de doble background:
     - Capa 1 (padding-box): el “vidrio”
     - Capa 2 (border-box): el borde con gradiente */
  border: 1px solid transparent;
  background:
    linear-gradient(var(--glass-strong), var(--glass-strong)) padding-box,
    linear-gradient(135deg, rgba(121,201,255,0.35), rgba(145,255,217,0.35), rgba(178,139,255,0.35)) border-box;

  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  box-shadow:
    0 10px 40px rgba(0,0,0,0.35),
    0 0 0 1px rgba(255,255,255,0.04) inset;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.logo{
  width: 300px;
  height: auto;
  margin-bottom: 10px;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.35));
}

h2{
  font-size: 26px;
  margin-bottom: 18px;
  line-height: 1.1;
  color: var(--text);
  text-shadow: 0 0 10px rgba(123,170,255,0.18);
}

label{
  display:block;
  font-size: 13.5px;
  color: var(--muted);
  margin: 10px 4px 6px;
  text-align:left;
  letter-spacing: 0.2px;
}

/* ===== Ajuste: incluir EMAIL ===== */
input[type="text"],
input[type="password"],
input[type="email"]{
  width: 100%;
  padding: 14px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.07);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

/* ===== Ajuste: incluir EMAIL (focus) ===== */
input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus{
  background: rgba(255,255,255,0.12);
  border-color: rgba(121,201,255,0.55);
  box-shadow: 0 0 0 4px rgba(121,201,255,0.14);
}

/* Link y botón */
.remember{
  text-align:right;
  margin: 6px 2px 18px;
}
.remember a{
  color: #dfe8ff;
  font-size: 13px;
  text-decoration: none;
  opacity: 0.9;
}
.remember a:hover{ opacity: 1; text-decoration: underline; }

.btn-1{
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: none;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .4px;
  text-transform: uppercase;
  cursor: pointer;
  color: #0b1220;
  background: linear-gradient(135deg, var(--t2), var(--t2) 40%, var(--t1), var(--t3));
  box-shadow: 0 10px 24px rgba(0,0,0,0.35);
  transition: transform .15s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-1:hover{
  transform: translateY(-1px);
  filter: brightness(1.03);
  box-shadow: 0 14px 28px rgba(0,0,0,0.4);
}

/* ========== Responsive ========== */
@media (max-width: 480px){
  .login-box{ padding: 32px 24px; border-radius: 16px; }
  h2{ font-size: 24px; }
}

/* ========== Accesibilidad: reduce motion ========== */
@media (prefers-reduced-motion: reduce){
  .bg-canvas{ display:none; }
  body.calm-bg{
    background:
      radial-gradient(1000px 700px at 15% 20%, rgba(123,170,255,0.10), transparent 60%),
      radial-gradient(800px 600px at 80% 35%, rgba(145,255,217,0.08), transparent 60%),
      linear-gradient(180deg, var(--bg1) 0%, var(--bg2) 100%);
  }
}