/* Login screen themes — loaded only on /login/ */

.login-theme-retro {
  --crt-bg: #020202;
  --crt-green: #33ff66;
  --crt-green-dim: #1a9933;
  --crt-green-glow: rgba(51, 255, 102, 0.55);
  --crt-green-soft: rgba(51, 255, 102, 0.12);
  --crt-border: rgba(51, 255, 102, 0.45);
  --crt-text: #33ff66;
  --crt-muted: #1f9944;
  --crt-error: #ff4444;
  --crt-error-bg: rgba(255, 68, 68, 0.12);
  --crt-font: "VT323", "Share Tech Mono", "Courier New", monospace;
  --crt-radius: 2px;

  margin: 0;
  min-height: 100vh;
  background: var(--crt-bg);
  color: var(--crt-text);
  font-family: var(--crt-font);
  font-size: 1.15rem;
  line-height: 1.4;
}

.login-theme-retro *,
.login-theme-retro *::before,
.login-theme-retro *::after {
  box-sizing: border-box;
}

.login-theme-retro .crt-screen {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(ellipse 90% 70% at 50% 45%, rgba(51, 255, 102, 0.04), transparent 65%),
    var(--crt-bg);
}

.login-theme-retro .crt-scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.18) 0,
    rgba(0, 0, 0, 0.18) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 0.55;
}

.login-theme-retro .crt-vignette {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.65) 100%);
}

.login-theme-retro .crt-flicker {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 98;
  background: rgba(51, 255, 102, 0.015);
  animation: crt-flicker 6s infinite;
}

@keyframes crt-flicker {
  0%, 100% { opacity: 0; }
  92% { opacity: 0; }
  93% { opacity: 0.4; }
  94% { opacity: 0; }
  96% { opacity: 0.25; }
  97% { opacity: 0; }
}

.login-theme-retro .auth-wrap {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: none;
}

.login-theme-retro .auth-shell {
  width: 100%;
  max-width: 420px;
}

.login-theme-retro .auth-card {
  max-width: none;
  background: rgba(0, 8, 0, 0.72);
  border: 1px solid var(--crt-border);
  border-radius: var(--crt-radius);
  padding: 1.5rem 1.75rem 1.75rem;
  box-shadow:
    0 0 24px rgba(51, 255, 102, 0.08),
    inset 0 0 40px rgba(51, 255, 102, 0.03);
}

.login-theme-retro .login-splash {
  display: block;
  width: 100%;
  max-width: 280px;
  height: auto;
  margin: 0 auto 1.25rem;
  image-rendering: auto;
}

.login-theme-retro .auth-card h1 {
  margin: 0 0 0.35rem;
  font-size: 1.75rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: none;
  text-align: center;
  text-shadow: 0 0 8px var(--crt-green-glow);
}

.login-theme-retro .auth-card .subtitle {
  margin: 0 0 1.35rem;
  color: var(--crt-muted);
  font-size: 1rem;
  text-align: center;
  letter-spacing: 0.06em;
}

.login-theme-retro .auth-card .subtitle::before {
  content: "> ";
  color: var(--crt-green-dim);
}

.login-theme-retro .form-group {
  margin-bottom: 1rem;
}

.login-theme-retro .form-group label {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--crt-green);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.login-theme-retro .form-group input {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--crt-border);
  border-radius: var(--crt-radius);
  background: rgba(0, 20, 0, 0.85);
  color: var(--crt-text);
  font-family: var(--crt-font);
  font-size: 1.2rem;
  caret-color: var(--crt-green);
  box-shadow: inset 0 0 12px rgba(51, 255, 102, 0.06);
}

.login-theme-retro .form-group input::placeholder {
  color: var(--crt-green-dim);
  opacity: 0.7;
}

.login-theme-retro .form-group input:focus {
  outline: none;
  border-color: var(--crt-green);
  box-shadow:
    0 0 10px var(--crt-green-glow),
    inset 0 0 12px rgba(51, 255, 102, 0.1);
}

.login-theme-retro .btn.btn-primary {
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--crt-green);
  border-radius: var(--crt-radius);
  background: var(--crt-green-soft);
  color: var(--crt-text);
  font-family: var(--crt-font);
  font-size: 1.25rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  text-shadow: 0 0 6px var(--crt-green-glow);
  box-shadow: 0 0 14px rgba(51, 255, 102, 0.15);
  transition: background 0.15s, box-shadow 0.15s;
}

.login-theme-retro .btn.btn-primary:hover {
  background: rgba(51, 255, 102, 0.22);
  box-shadow: 0 0 20px rgba(51, 255, 102, 0.35);
}

.login-theme-retro .auth-links {
  margin-top: 1.35rem;
  font-size: 1rem;
  text-align: center;
}

.login-theme-retro .auth-links a {
  color: var(--crt-green);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.login-theme-retro .auth-links a:hover {
  text-decoration: underline;
  text-shadow: 0 0 6px var(--crt-green-glow);
}

.login-theme-retro .auth-links .auth-setup {
  margin-top: 0.85rem;
  color: var(--crt-muted);
  font-size: 0.95rem;
}

.login-theme-retro .alert {
  margin-bottom: 1rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--crt-radius);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.login-theme-retro .alert-error {
  color: var(--crt-error);
  background: var(--crt-error-bg);
  border: 1px solid rgba(255, 68, 68, 0.45);
  text-shadow: 0 0 6px rgba(255, 68, 68, 0.4);
}

.login-theme-retro .alert-success {
  color: var(--crt-green);
  background: var(--crt-green-soft);
  border: 1px solid var(--crt-border);
  text-shadow: 0 0 6px var(--crt-green-glow);
}

.login-theme-retro .login-prompt {
  margin: 0 0 1rem;
  color: var(--crt-muted);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

.login-theme-retro .login-prompt::before {
  content: "C:\\TAPIN\\SYSTEM> ";
  color: var(--crt-green-dim);
}