/* ══════════════════════════════════════════
   Variables
══════════════════════════════════════════ */
:root {
  --grass:     #1a3a1a;
  --pitch:     #0b200b;
  --lime:      #b5ff4d;
  --lime-d:    #7dbf2e;
  --lime-glow: rgba(181,255,77,.15);
  --white:     #f0f5e8;
  --muted:     #7a9068;
  --card:      #132213;
  --border:    #263e26;
  --red:       #ff4d4d;
  --input-bg:  #0a1a0a;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-header: 0 4px 32px rgba(0,0,0,.6);
  --shadow-card:   0 24px 64px rgba(0,0,0,.55);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Body flex columna ── */
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--pitch);
  color: var(--white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image:
    radial-gradient(ellipse at 15% 10%,  rgba(181,255,77,.05) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 90%,  rgba(77,166,255,.03) 0%, transparent 55%),
    repeating-linear-gradient(
      0deg, transparent, transparent 32px,
      rgba(255,255,255,.012) 32px, rgba(255,255,255,.012) 64px
    );
}

/* ══════════════════════════════════════════
   Header
══════════════════════════════════════════ */
header {
  background: linear-gradient(135deg, #1e3e1e 0%, var(--grass) 100%);
  border-bottom: 2px solid var(--lime);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-header);
  flex-shrink: 0;
}

.header-logo {
  font-size: 1.5rem;
  filter: drop-shadow(0 0 8px var(--lime));
  flex-shrink: 0;
}

header h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.4rem;
  letter-spacing: .12em;
  color: var(--lime);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.badge-admin {
  background: var(--lime-glow);
  border: 1px solid rgba(181,255,77,.3);
  color: var(--lime);
  font-size: .6rem;
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: .1em;
  padding: .18rem .5rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
}

.header-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-shrink: 0;
}

.header-links a {
  font-size: .75rem;
  text-decoration: none;
  padding: .32rem .9rem;
  border-radius: var(--radius-sm);
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: .08em;
  transition: all .2s;
}

.btn-ver {
  color: var(--muted);
  border: 1px solid var(--border);
}
.btn-ver:hover { border-color: var(--lime-d); color: var(--white); background: rgba(255,255,255,.04); }

.btn-salir {
  background: var(--lime-d);
  border: 1px solid var(--lime-d);
  color: var(--pitch);
  font-weight: 700;
}
.btn-salir:hover { background: var(--lime); border-color: var(--lime); }

/* ══════════════════════════════════════════
   Contenedor centrado
══════════════════════════════════════════ */
.login-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

/* ══════════════════════════════════════════
   Login Box
══════════════════════════════════════════ */
.login-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.8rem 2.4rem;
  width: 400px;
  max-width: 100%;
  box-shadow: var(--shadow-card);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Destellos decorativos */
.login-box::before {
  content: '';
  position: absolute;
  top: -60px; left: -60px;
  width: 180px; height: 180px;
  background: radial-gradient(circle, rgba(181,255,77,.07) 0%, transparent 70%);
  pointer-events: none;
}
.login-box::after {
  content: '';
  position: absolute;
  bottom: -40px; right: -40px;
  width: 140px; height: 140px;
  background: radial-gradient(circle, rgba(77,166,255,.05) 0%, transparent 70%);
  pointer-events: none;
}

.login-box .logo {
  font-size: 3.2rem;
  margin-bottom: .6rem;
  display: block;
  animation: glow 2.5s ease-in-out infinite alternate;
}

@keyframes glow {
  from { filter: drop-shadow(0 0 6px var(--lime)); }
  to   { filter: drop-shadow(0 0 20px var(--lime)); }
}

.login-box h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  letter-spacing: .14em;
  color: var(--lime);
  margin-bottom: .2rem;
}

.subtitle {
  color: var(--muted);
  font-size: .82rem;
  margin-bottom: 2rem;
  line-height: 1.4;
}

/* ── Divisor ── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0 0 1.6rem;
}

/* ── Error ── */
.error-msg {
  background: rgba(255,77,77,.1);
  border: 1px solid rgba(255,77,77,.3);
  color: var(--red);
  border-radius: var(--radius-sm);
  padding: .6rem 1rem;
  font-size: .84rem;
  margin-bottom: 1.1rem;
  text-align: left;
  display: flex;
  align-items: center;
  gap: .4rem;
}

/* ── Form ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  margin-bottom: .9rem;
  text-align: left;
}

label {
  font-size: .74rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}

input[type="text"],
input[type="password"] {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--white);
  padding: .65rem .9rem;
  font-size: .95rem;
  font-family: 'DM Sans', sans-serif;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}
input:focus {
  border-color: var(--lime-d);
  box-shadow: 0 0 0 3px rgba(181,255,77,.08);
}

/* ── Password wrapper ── */
.password-wrapper {
  position: relative;
}
.password-wrapper input {
  padding-right: 5rem;
}
.toggle-pass {
  position: absolute;
  right: .75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--lime-d);
  cursor: pointer;
  font-size: .75rem;
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: .06em;
  padding: .2rem .4rem;
  border-radius: 3px;
  transition: color .2s, background .2s;
}
.toggle-pass:hover { color: var(--lime); background: var(--lime-glow); }

/* ── Submit ── */
.btn-submit {
  width: 100%;
  margin-top: .6rem;
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: .12em;
  font-size: 1.1rem;
  padding: .7rem;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--lime);
  color: var(--pitch);
  cursor: pointer;
  transition: background .18s, transform .1s, box-shadow .2s;
  box-shadow: 0 0 0 rgba(181,255,77,0);
}
.btn-submit:hover {
  background: var(--lime-d);
  box-shadow: 0 0 20px rgba(181,255,77,.2);
}
.btn-submit:active { transform: scale(.98); }

/* ── Nota pie del form ── */
.login-note {
  margin-top: 1.2rem;
  font-size: .72rem;
  color: var(--muted);
  line-height: 1.5;
}
.login-note a {
  color: var(--lime-d);
  text-decoration: none;
  transition: color .2s;
}
.login-note a:hover { color: var(--lime); }

/* ══════════════════════════════════════════
   Footer
══════════════════════════════════════════ */
footer {
  background: linear-gradient(135deg, #1e3e1e 0%, var(--grass) 100%);
  border-top: 1px solid var(--border);
  padding: .9rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: .45rem;
  font-family: 'Bebas Neue', sans-serif;
  font-size: .88rem;
  letter-spacing: .1em;
  color: var(--lime);
}
.footer-brand .ico { font-size: 1rem; filter: drop-shadow(0 0 5px var(--lime)); }

.footer-info { font-size: .7rem; color: var(--muted); letter-spacing: .04em; text-align: center; }

.footer-links { display: flex; align-items: center; gap: .7rem; }
.footer-links a {
  font-size: .7rem;
  color: var(--muted);
  text-decoration: none;
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: .08em;
  transition: color .2s;
}
.footer-links a:hover { color: var(--lime); }
.footer-links .sep { color: var(--border); }

/* ══════════════════════════════════════════
   Responsive — Tablet (≤ 768px)
══════════════════════════════════════════ */
@media (max-width: 768px) {
  header { padding: 0 1.2rem; height: 56px; gap: .7rem; }
  header h1 { font-size: 1.15rem; }
  .badge-admin { display: none; }

  .login-box { padding: 2.2rem 1.8rem; }

  .footer-info { display: none; }
  footer { padding: .8rem 1.2rem; }
}

/* ══════════════════════════════════════════
   Responsive — Mobile (≤ 480px)
══════════════════════════════════════════ */
@media (max-width: 480px) {
  header { padding: 0 1rem; height: 52px; gap: .5rem; }
  header h1 { font-size: .95rem; letter-spacing: .07em; }
  .header-logo { font-size: 1.2rem; }
  .btn-salir { font-size: .7rem; padding: .26rem .65rem; }

  .login-wrapper { padding: 1.5rem 1rem; align-items: flex-start; padding-top: 2rem; }

  .login-box {
    padding: 1.8rem 1.3rem;
    border-radius: var(--radius-md);
  }
  .login-box .logo { font-size: 2.6rem; }
  .login-box h1 { font-size: 1.7rem; }
  .subtitle { font-size: .78rem; margin-bottom: 1.5rem; }

  input[type="text"],
  input[type="password"] { font-size: .9rem; padding: .58rem .8rem; }

  .btn-submit { font-size: 1rem; padding: .62rem; }

  footer {
    flex-direction: column;
    align-items: center;
    gap: .4rem;
    padding: .75rem 1rem;
    text-align: center;
  }
  .footer-links { gap: .55rem; }
}