:root {
  color-scheme: dark;
  --font-title: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --color-accent: hsl(142, 72%, 58%);
  --color-accent-rgb: 74, 222, 128;
  
  --bg-deep: hsl(220, 30%, 5%);
  --bg-panel: rgba(15, 23, 42, 0.55);
  --border-light: rgba(255, 255, 255, 0.08);
  --text-primary: hsl(210, 40%, 98%);
  --text-muted: hsl(215, 20%, 65%);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  position: relative;
}

/* Background Glow */
.ambient-glow {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120vmax;
  height: 120vmax;
  background: radial-gradient(
    circle,
    rgba(var(--color-accent-rgb), 0.06) 0%,
    rgba(15, 23, 42, 0) 70%
  );
  z-index: 0;
  pointer-events: none;
}

.login-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 100%;
  max-width: 420px;
  min-height: 520px;
  padding: 2rem;
  z-index: 1;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.logo-group {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.logo-dot {
  width: 7px;
  height: 7px;
  background-color: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-accent);
  animation: pulse 2s infinite ease-in-out;
}

.logo-text {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--text-primary);
}

.login-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 2.25rem 2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(20px);
}

.card-header h2 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.card-header p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 2rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.input-group label {
  font-family: var(--font-title);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.input-group input {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 0.8rem 1rem;
  font-size: 0.9rem;
  color: var(--text-primary);
  outline: none;
  font-family: var(--font-body);
  transition: all 0.3s ease;
}

.input-group input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 10px rgba(var(--color-accent-rgb), 0.1);
  background: rgba(0, 0, 0, 0.4);
}

.error-message {
  color: #ef4444;
  font-size: 0.75rem;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
  display: none;
  line-height: 1.4;
}

.btn-submit {
  background: var(--color-accent);
  color: var(--bg-deep);
  border: none;
  outline: none;
  padding: 0.9rem;
  border-radius: 6px;
  font-family: var(--font-title);
  font-weight: 600;
  letter-spacing: 0.15em;
  font-size: 0.8rem;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(var(--color-accent-rgb), 0.25);
  transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

.btn-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(var(--color-accent-rgb), 0.4);
  background: hsl(142, 75%, 65%);
}

.btn-submit:active {
  transform: translateY(1px);
}

.login-footer {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 0.5rem;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  font-weight: 500;
  letter-spacing: 0.15em;
}

.footer-link:hover {
  color: var(--color-accent);
  text-shadow: 0 0 8px rgba(var(--color-accent-rgb), 0.5);
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.4;
    transform: scale(0.9);
  }
  50% {
    opacity: 1;
    transform: scale(1.1);
  }
}

@media (max-width: 480px) {
  .login-wrapper {
    padding: 1rem 1.25rem;
    min-height: auto;
  }
  
  .login-card {
    padding: 1.5rem 1.25rem;
  }
}