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

:root {
  --bg-primary: #0a0a0b;
  --bg-secondary: #111113;
  --bg-card: #16161a;
  --border: #222228;
  --text-primary: #ececf1;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b7b;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #a78bfa);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  animation: fadeUp 0.6s var(--ease-out-expo) both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-header {
  text-align: center;
  margin-bottom: 36px;
}

.login-logo {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-primary);
  display: inline-block;
  margin-bottom: 20px;
}

.logo-accent {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.login-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-group input {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.login-button {
  margin-top: 8px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}

.login-button:hover {
  background: #4f46e5;
}

.login-button:active {
  transform: scale(0.98);
}

.login-footer {
  text-align: center;
  margin-top: 28px;
  font-size: 0.85rem;
}

.login-footer a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.login-footer a:hover {
  color: var(--accent-light);
}

@media (max-width: 480px) {
  .login-card {
    padding: 36px 24px;
  }
}