:root {
  --bg-color: #121212;
  --card-bg: #1e1e1e;
  --text-main: #e0e0e0;
  --text-dim: #b0b0b0;
  --accent: #ff5252;
  --secondary: #37474f;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  transition: background 0.3s ease;
}

.container {
  width: 90%;
  max-width: 450px;
  text-align: center;
}

.card {
  background: var(--card-bg);
  padding: 2.5rem 1.5rem;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.logo {
  color: var(--accent);
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 0.5rem;
}

p { color: var(--text-dim); line-height: 1.6; }

.btn-primary {
  background-color: var(--accent);
  color: white;
  border: none;
  padding: 18px;
  width: 100%;
  border-radius: 16px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: 1.5rem;
  transition: transform 0.1s ease, filter 0.2s ease;
}

.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--secondary);
  padding: 12px;
  width: 100%;
  border-radius: 12px;
  cursor: pointer;
  margin-top: 2rem;
}

.dashboard {
  display: flex;
  gap: 12px;
  margin: 2rem 0;
}

.stat-box {
  flex: 1;
  background: rgba(255, 255, 255, 0.03);
  padding: 1rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-box p {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 0;
}

small { color: var(--text-dim); text-transform: uppercase; font-size: 0.7rem; letter-spacing: 1px; }

/* Desktop */
@media (min-width: 1024px) {
  .container { max-width: 500px; }
}