/* ====== Variables & Reset ====== */
:root{
  --bg:#f6f7fb;
  --panel:#ffffff;
  --primary:#1f3b68;
  --primary-600:#142949;
  --accent:#e6f0ff;
  --text:#1b1b1b;
  --muted:#6b7280;
  --success:#16a34a;
  --error:#dc2626;
  --ring:#c7d2fe;
  --shadow: 0 10px 25px rgba(0,0,0,.08);
  --radius: 18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji","Segoe UI Emoji", "Segoe UI Symbol";
  color:var(--text);
  background:linear-gradient(120deg,#eef2ff 0%, #f8fafc 100%);
}

/* ====== Layout ====== */
.login-wrapper{
  max-width: 980px;
  margin: clamp(20px,5vh,60px) auto;
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  min-height: 560px;
}

@media (max-width: 860px){
  .login-wrapper{
    grid-template-columns: 1fr;
    min-height: auto;
  }
}

/* ====== Left panel ====== */
.login-hero{
  background: linear-gradient(160deg, #eaf3ff 0%, #dff3ef 100%);
  padding: 42px 40px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
}
.login-hero .avatar{
  width: 160px;
  height:160px;
  border-radius:50%;
  background: radial-gradient(circle at 35% 35%, #cfe3ff 0 40%, #b6d5ff 41% 100%);
  display:grid;
  place-items:center;
  box-shadow: inset 0 8px 16px rgba(255,255,255,.7), inset 0 -12px 22px rgba(0,0,0,.06);
}
.login-hero h1{
  margin: 22px 0 6px;
  font-size: clamp(22px, 2.4vw, 28px);
  letter-spacing:.6px;
}
.login-hero p{
  margin:0;
  color:var(--muted);
  text-align:center;
}

/* ====== Right form ====== */
.login-form{
  padding: 38px 40px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}

.form-title{
  font-size: clamp(22px,2.4vw,28px);
  margin: 0 0 22px;
}

.input-group{
  margin-bottom: 16px;
}

.label{
  display:block;
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 8px;
}

.input{
  width:100%;
  border:1px solid #e5e7eb;
  background:#fafafa;
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 16px;
  outline: none;
  transition:.15s border, .15s box-shadow, .15s background;
}
.input:focus{
  border-color: var(--primary);
  background:#fff;
  box-shadow: 0 0 0 4px var(--ring);
}

.input-icon{
  position:relative;
}
.input-icon .icon{
  position:absolute;
  left:12px; top:50%; transform:translateY(-50%);
  width:22px; height:22px; opacity:.7;
}
.input-icon .input{
  padding-left: 44px;
}

.toggle-pass{
  position:absolute;
  right:10px; top:50%; transform:translateY(-50%);
  border:none; background:transparent; cursor:pointer;
  font-size:14px; color:var(--muted);
}

.actions{
  display:flex; gap:12px; align-items:center; margin-top: 6px;
}

.btn{
  appearance:none; border:none; cursor:pointer;
  padding: 12px 16px; border-radius: 14px;
  font-weight: 600; font-size: 15px;
  transition: transform .04s ease, box-shadow .15s ease, background .2s;
}
.btn-primary{
  background: var(--primary); color:#fff; box-shadow: 0 8px 18px rgba(31,59,104,.22);
}
.btn-primary:hover{ background: var(--primary-600)}
.btn-primary:active{ transform: translateY(1px) }

.link{
  color: var(--primary-600); text-decoration:none; font-size:14px;
}
.link:hover{ text-decoration:underline }

/* Alerts */
.alert{
  padding: 12px 14px; border-radius: 12px; margin-bottom: 14px;
  font-size: 14px; line-height:1.35;
}
.alert.exito{ background:#ecfdf5; color:#065f46; border:1px solid #a7f3d0 }
.alert.error{ background:#fef2f2; color:#991b1b; border:1px solid #fecaca }

/* Small helpers */
.note{ font-size: 13px; color:var(--muted) }

/* ===== Registro: medidor de contraseña ===== */
.strength {
  height: 8px;
  background: #eef2ff;
  border-radius: 999px;
  overflow: hidden;
  margin-top: 8px;
  border: 1px solid #e5e7eb;
}
.strength > span {
  display:block; height:100%; width:0%;
  background: linear-gradient(90deg,#fca5a5,#fdba74,#fcd34d,#a7f3d0,#86efac);
  transition: width .25s ease;
}
.helper {
  font-size: 12px; color: var(--muted); margin-top: 6px;
}
.form-footer {
  display:flex; gap:12px; align-items:center; margin-top: 10px;
  flex-wrap: wrap;
}