/* ============================================================
   Mi GPS Cloud — Login (login.php)
   ============================================================ */
/* Los tokens base (--bg, --surface, --text, etc.) vienen de css/main.css */
/* Login solo define tokens decorativos adicionales */
body {
  min-height:100vh;
  font-family:'Exo 2',sans-serif;
  background:var(--bg);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  transition:background .4s;
}

/* Fondo decorativo */
.bg-layer{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(var(--grid-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:44px 44px;
  animation:gridMove 30s linear infinite;
  transition:background-image .4s;
}
@keyframes gridMove{to{background-position:44px 44px}}
.glow{
  position:fixed;border-radius:50%;z-index:0;pointer-events:none;transition:background .4s;
}
.glow-1{
  width:700px;height:700px;top:-220px;left:-200px;
  background:radial-gradient(circle,var(--glow1) 0%,transparent 65%);
  animation:pulse 8s ease-in-out infinite alternate;
}
.glow-2{
  width:500px;height:500px;bottom:-150px;right:-150px;
  background:radial-gradient(circle,var(--glow2) 0%,transparent 65%);
  animation:pulse 10s ease-in-out infinite alternate-reverse;
}
@keyframes pulse{to{transform:scale(1.2)}}

/* Wrap y card */
.wrap{
  position:relative;z-index:1;width:100%;max-width:420px;padding:20px;
  animation:fadeUp .5s cubic-bezier(.22,1,.36,1) both;
}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.login-card{
  background:var(--surface);border:1px solid var(--border);border-radius:22px;
  padding:44px 40px;box-shadow:var(--shadow-lg);backdrop-filter:blur(24px);
  transition:background .4s,border-color .4s,box-shadow .4s;
}

/* Theme toggle */
.theme-toggle{
  position:absolute;top:32px;right:32px;
  width:36px;height:36px;border-radius:10px;
  border:1px solid var(--border);background:var(--surface2);
  color:var(--text-dim);cursor:pointer;font-size:.9rem;
  display:flex;align-items:center;justify-content:center;z-index:1;
}
.theme-toggle:hover{border-color:var(--accent);color:var(--accent)}

/* Branding */
.brand{text-align:center;margin-bottom:30px}
.brand img{height:56px;object-fit:contain;transition:filter .4s}
[data-theme=light] .brand img{filter:drop-shadow(0 2px 8px rgba(0,194,203,.25))}
[data-theme=dark] .brand img{animation:glowAnim 3s ease-in-out infinite alternate}
@keyframes glowAnim{from{filter:drop-shadow(0 0 8px rgba(0,194,203,.3))}to{filter:drop-shadow(0 0 22px rgba(0,194,203,.7))}}
.brand h1{
  margin-top:14px;font-size:1.45rem;font-weight:900;letter-spacing:.8px;
  background:linear-gradient(90deg,var(--primary) 10%,var(--accent) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.brand p{font-size:.72rem;color:var(--text-mute);margin-top:5px;letter-spacing:.5px;text-transform:uppercase}

/* Alert */
.alert{display:none;align-items:center;gap:9px;padding:11px 14px;border-radius:9px;font-size:.82rem;font-weight:600;margin-bottom:18px}
.alert.show{display:flex}
.alert-error{background:rgba(220,38,38,.1);border:1px solid rgba(220,38,38,.3);color:#f87171}
[data-theme=light] .alert-error{color:#dc2626}

/* Form */
.field{margin-bottom:18px}
.field label{display:block;font-size:.7rem;font-weight:700;letter-spacing:.7px;text-transform:uppercase;color:var(--text-dim);margin-bottom:6px}
.ir{position:relative}
.ir .ico{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--text-mute);font-size:.82rem;pointer-events:none}
.ir input{
  width:100%;padding:12px 14px 12px 38px;
  background:var(--surface2);border:1.5px solid var(--border);
  border-radius:10px;color:var(--text);font-size:.9rem;
  outline:none;font-family:inherit;transition:border-color .2s,background .2s,box-shadow .2s;
}
.ir input::placeholder{color:var(--text-mute)}
.ir input:focus{border-color:var(--accent);background:rgba(0,194,203,.06);box-shadow:0 0 0 3px rgba(0,194,203,.12)}
.ir input:focus~.ico{color:var(--accent)}
.eye{
  position:absolute;right:12px;top:50%;transform:translateY(-50%);
  background:none;border:none;color:var(--text-mute);cursor:pointer;font-size:.83rem;padding:4px;
}
.eye:hover{color:var(--accent)}

/* Extras */
.extras{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;font-size:.78rem}
.remember{display:flex;align-items:center;gap:7px;color:var(--text-dim);cursor:pointer}
.remember input{accent-color:var(--accent)}
.forgot{color:var(--accent);text-decoration:none}
.forgot:hover{text-decoration:underline}

/* Submit */
.btn-submit{
  width:100%;padding:14px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);
  border:none;border-radius:11px;color:#fff;font-size:.94rem;font-weight:800;
  letter-spacing:.5px;text-transform:uppercase;cursor:pointer;
  position:relative;overflow:hidden;
  box-shadow:0 4px 20px rgba(0,194,203,.3);
  transition:transform .15s,box-shadow .2s;
}
.btn-submit:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,194,203,.45)}
.btn-submit:active{transform:translateY(0)}
.btn-submit.loading{opacity:.7;pointer-events:none}
.btn-label{transition:opacity .15s}
.btn-submit.loading .btn-label{opacity:0}
.spin-ring{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s}
.btn-submit.loading .spin-ring{opacity:1}
.spin-ring svg{width:22px;height:22px;animation:rot .7s linear infinite}
@keyframes rot{to{transform:rotate(360deg)}}

/* Footer */
.foot{text-align:center;margin-top:22px;font-size:.68rem;color:var(--text-mute)}
.secure{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:10px;font-size:.66rem;color:var(--text-mute)}
.secure b{color:#22c55e}

/* Responsive */
@media(max-width:480px){.wrap{padding:12px}.login-card{padding:32px 22px}.brand img{height:48px}.brand h1{font-size:1.2rem}.theme-toggle{top:20px;right:20px}}
@media(max-width:360px){.login-card{padding:26px 16px}.btn-submit{font-size:.86rem;padding:12px}}