:root {
  --primary: #ff2b2b;
  --primary-hover: #d61a1a;
  --bg: #111827;
  --surface: #1f2937;
  --text: #f9fafb;
  --text-light: #9ca3af;
  --border: #374151;
  --error: #ef4444;
}

body {
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    sans-serif;
  background-color: var(--bg);
  color: var(--text);
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.login-card {
  background-color: var(--surface);
  padding: 3rem;
  border-radius: 1rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  width: 100%;
  max-width: 400px;
  box-sizing: border-box;
  border: 1px solid var(--border);
}

.logo-container {
  text-align: center;
  margin-bottom: 2rem;
}

.logo-text {
  font-size: 1.75rem;
  font-weight: 800;
  color: white;
  letter-spacing: -0.025em;
}

.logo-text span {
  color: var(--primary);
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 1rem;
  color: white;
  box-sizing: border-box;
  transition: all 0.2s;
}

input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(255, 43, 43, 0.2);
}

button {
  width: 100%;
  background-color: var(--primary);
  color: white;
  border: none;
  padding: 0.875rem;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
  margin-top: 1rem;
}

button:hover {
  background-color: var(--primary-hover);
}

.alert {
  display: none;
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--error);
  color: #fca5a5;
  padding: 0.75rem;
  border-radius: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  text-align: center;
}

.footer {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-light);
}
