/* Login page — sobre, cohérent grammaire ambient (cyan / orange / radial).
   Sera remplacé par la stack R3F #14 — ici juste un MVP fonctionnel. */

:root {
  --cyan: #00D4FF;
  --cyan-deep: #0A2540;
  --orange: #FF6B1A;
  --red: #FF2D55;
  --white: #E8F4FF;
  --gray: #5A7A9B;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: radial-gradient(ellipse at center, #0E2A45 0%, var(--cyan-deep) 70%, #061629 100%);
  color: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  width: 100%;
  max-width: 380px;
  padding: 32px 28px;
  background: rgba(10, 37, 64, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 24px;
  box-shadow: 0 8px 40px rgba(0, 212, 255, 0.08);
  text-align: center;
}

.orb {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--cyan), rgba(0, 212, 255, 0.3) 60%, transparent 80%);
  box-shadow: 0 0 32px rgba(0, 212, 255, 0.6), inset 0 0 24px rgba(0, 212, 255, 0.3);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.95; }
  50%      { transform: scale(1.04); opacity: 1; }
}

h1 {
  margin: 0 0 4px;
  font-weight: 200;
  font-size: 32px;
  letter-spacing: 4px;
  color: var(--white);
}

.subtitle {
  margin: 0 0 28px;
  color: var(--gray);
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.status {
  min-height: 20px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--cyan);
}

.status.error  { color: var(--red); }
.status.ok     { color: #4FE3A4; }

form { margin: 0; }

fieldset {
  border: none;
  padding: 0;
  margin: 0 0 14px;
  text-align: left;
}

label {
  display: block;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 6px;
}

input[type="text"], input[type="password"] {
  width: 100%;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 12px;
  color: var(--white);
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.2s;
}

input:focus {
  outline: none;
  border-color: var(--cyan);
}

button {
  width: 100%;
  margin-top: 8px;
  padding: 12px 20px;
  border: 1px solid rgba(0, 212, 255, 0.4);
  border-radius: 12px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--cyan);
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

button.primary {
  background: rgba(255, 107, 26, 0.15);
  border-color: rgba(255, 107, 26, 0.5);
  color: var(--orange);
}

button:hover { transform: translateY(-1px); }
button:active { transform: translateY(0); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

details.register-block {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
  text-align: left;
}

details summary {
  color: var(--gray);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
  padding: 4px 0;
}

details summary::after {
  content: " ▾";
  color: var(--cyan);
}

details[open] summary::after { content: " ▴"; }

details[open] form {
  margin-top: 16px;
}