/* ═══════════════════════════════════════════════════════════════
   BREAK THE SIGNAL // LOGIN PAGE STYLES
   ═══════════════════════════════════════════════════════════════ */

/* ── CANVAS ───────────────────────────────────────────────────── */

#signal-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* ── OVERLAYS ─────────────────────────────────────────────────── */

.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

.scanlines {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px);
}

/* ── LOGIN LAYOUT ─────────────────────────────────────────────── */

.login-container {
  position: relative;
  z-index: 10;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem var(--pad);
}

/* ── LOGO ─────────────────────────────────────────────────────── */

.login-logo {
  text-align: center;
  margin-bottom: 3rem;
}

.login-logo a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-primary);
  text-decoration: none;
}

.login-logo a::after {
  content: '_';
  animation: blink 1s step-end infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.login-logo .tagline {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 0.5rem;
  display: block;
}

/* ── LOGIN CARD ───────────────────────────────────────────────── */

.login-card {
  width: 100%;
  max-width: 400px;
  background: rgba(17, 17, 17, 0.85);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius);
  padding: 2.5rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.login-card h1 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.login-card .subtitle {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* ── FORM ─────────────────────────────────────────────────────── */

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  border-color: var(--accent-electric);
  box-shadow: 0 0 0 1px rgba(255, 60, 0, 0.2);
}

.form-input:autofill,
.form-input:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 30px var(--bg-primary) inset;
  -webkit-text-fill-color: var(--text-primary);
}

/* ── SUBMIT BUTTON ────────────────────────────────────────────── */

.btn-login {
  width: 100%;
  padding: 0.85rem;
  margin-top: 0.5rem;
  background: var(--accent-electric);
  border: none;
  border-radius: var(--radius);
  color: var(--bg-primary);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.btn-login:hover {
  box-shadow: 0 0 30px var(--glow-electric);
  transform: translateY(-1px);
}

.btn-login:active {
  transform: translateY(0);
}

.btn-login:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-login::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn-login:hover::before {
  left: 100%;
}

/* ── ERROR MESSAGE ────────────────────────────────────────────── */

.login-error {
  display: none;
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 60, 0, 0.08);
  border: 1px solid rgba(255, 60, 0, 0.2);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-electric);
  text-align: center;
}

.login-error.visible {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── BACK LINK ────────────────────────────────────────────────── */

.login-back {
  margin-top: 2rem;
  text-align: center;
}

.login-back a {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.login-back a:hover {
  color: var(--accent-electric);
}

.login-back a::before {
  content: '← ';
}

/* ── RESPONSIVE ───────────────────────────────────────────────── */

@media (max-width: 480px) {
  .login-card {
    padding: 2rem 1.5rem;
  }

  .login-logo {
    margin-bottom: 2rem;
  }
}

/* ── REDUCED MOTION ───────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}