/* JOI Pulse - Login */
:root {
  --bg: #0a0e1a;
  --bg-elev-1: #11172e;
  --bg-elev-2: #161d39;
  --line: #232b47;
  --text: #e8ecf7;
  --text-muted: #8c95b8;
  --text-dim: #5a6388;
  --primary: #7c3aed;
  --accent: #38bdf8;
  --err: #ef4444;
  --shadow-lg: 0 24px 80px rgba(0, 0, 0, .55);
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: "Inter", "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  display: grid; place-items: center;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
  position: relative;
}

.login-bg {
  position: fixed; inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 600px at 20% 20%, rgba(124, 58, 237, .35), transparent 60%),
    radial-gradient(900px 600px at 80% 90%, rgba(56, 189, 248, .28), transparent 60%),
    radial-gradient(700px 500px at 50% 50%, rgba(168, 85, 247, .2), transparent 65%),
    var(--bg);
  animation: drift 22s ease-in-out infinite alternate;
}
@keyframes drift {
  from { background-position: 0 0, 0 0, 0 0, 0 0; }
  to   { background-position: 40px -40px, -40px 40px, 20px 20px, 0 0; }
}

.login-card {
  width: 100%;
  max-width: 420px;
  margin: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0)) , var(--bg-elev-1);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 32px 30px 22px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}
.login-card::before {
  content: "";
  position: absolute; left: 0; top: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.login-brand {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 22px;
}
.login-logo {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  box-shadow: 0 10px 28px rgba(124, 58, 237, .55);
}
.login-title { font-size: 17px; font-weight: 700; letter-spacing: -.2px; }
.login-subtitle { color: var(--text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: .8px; margin-top: 2px; }

.login-h { font-size: 22px; font-weight: 700; margin: 0 0 4px; letter-spacing: -.3px; }
.login-p { color: var(--text-muted); margin: 0 0 22px; font-size: 13px; }

.login-form { display: flex; flex-direction: column; gap: 14px; }
.login-field { display: flex; flex-direction: column; gap: 6px; }
.login-field span {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--text-muted);
  font-weight: 600;
}
.login-input {
  display: flex; align-items: center; gap: 10px;
  height: 46px;
  padding: 0 14px;
  background: var(--bg-elev-2);
  border: 1px solid var(--line);
  border-radius: 11px;
  color: var(--text-muted);
  transition: border-color .15s, background .15s, box-shadow .15s;
}
.login-input:focus-within {
  border-color: rgba(124,58,237,.6);
  box-shadow: 0 0 0 4px rgba(124,58,237,.14);
  background: var(--bg-elev-1);
}
.login-input input {
  flex: 1;
  background: transparent; border: 0; outline: none;
  font: inherit; color: var(--text);
  font-size: 14px;
}
.login-input input::placeholder { color: var(--text-dim); }
.eye {
  background: transparent; border: 0;
  width: 28px; height: 28px;
  border-radius: 7px;
  color: var(--text-muted);
  cursor: pointer;
  display: grid; place-items: center;
  transition: background .15s, color .15s;
}
.eye:hover { background: rgba(255,255,255,.05); color: var(--text); }

.login-btn {
  margin-top: 6px;
  height: 48px;
  border: 0;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-weight: 600;
  font-size: 14.5px;
  cursor: pointer;
  display: grid; place-items: center;
  position: relative;
  box-shadow: 0 10px 30px rgba(124,58,237,.45);
  transition: filter .12s, transform .05s, box-shadow .15s;
}
.login-btn:hover { filter: brightness(1.08); }
.login-btn:active { transform: translateY(1px); }
.login-btn:disabled { filter: grayscale(.4) brightness(.7); cursor: wait; }
.login-btn-spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.login-error {
  padding: 10px 12px;
  border-radius: 9px;
  background: rgba(239,68,68,.12);
  border: 1px solid rgba(239,68,68,.45);
  color: #fecaca;
  font-size: 12.5px;
  text-align: center;
  font-weight: 500;
}
.login-error.shake { animation: shake .3s ease-in-out; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.login-foot {
  margin-top: 22px;
  text-align: center;
  color: var(--text-dim);
  font-size: 11.5px;
}

@media (max-width: 480px) {
  .login-card { padding: 24px 20px 18px; }
}