:root {
  --bg: #12151c;
  --card-bg: #1a1f2b;
  --text: #d1d5db;
  --muted: #9ca3af;
  --primary: #60a5fa;
  --primary-hover: #3b82f6;
  --border: #2c3342;
  --ring: rgba(96, 165, 250, 0.25);
  --danger: #f87171;
}

body {
  margin: 0;
  font-family: 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(160deg, #0f1117 0%, #1a1f2b 100%);
  color: var(--text);
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

/* Card */
.auth-card {
  width: 100%;
  max-width: 480px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 12px 24px rgba(0,0,0,0.25);
  padding: 26px;
}

/* Header */
.auth-card h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.auth-card .subtitle {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 20px;
}

/* Form */
.auth-form {
  display: grid;
  gap: 14px;
}
.form-field {
  display: grid;
  gap: 6px;
}
.form-label {
  font-size: 0.9rem;
  color: var(--muted);
}
.input {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #10141c;
  color: var(--text);
}
.input::placeholder {
  color: #6b7280;
}
.input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--ring);
}

/* Button */
.button {
  padding: 12px;
  border-radius: 10px;
  background: var(--primary);
  color: white;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease;
}
.button:hover {
  background: var(--primary-hover);
}

/* Link */
.link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}
.link:hover {
  color: var(--primary-hover);
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #1f2533;
  padding: 12px 20px;
  border-radius: 10px;
  margin-bottom: 24px;
}
.navbar a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}
.navbar a:hover {
  color: var(--primary);
}

/* Search bar */
.search-bar {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.search-bar input {
  flex: 1;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #10141c;
  color: var(--text);
}
.search-bar button {
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--primary);
  color: white;
  border: none;
  font-weight: 500;
  cursor: pointer;
}
.search-bar button:hover {
  background: var(--primary-hover);
}

/* Responsive */
@media (max-width: 480px) {
  .auth-card {
    padding: 20px;
  }
  .navbar {
    flex-direction: column;
    gap: 10px;
  }
}