:root {
  --bg: #0d0f1a;
  --card: #13162b;
  --accent: #f5c542;
  --accent2: #e85d4a;
  --muted: #6b7299;
  --text: #e8eaf6;
}

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

body {
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(245, 197, 66, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(232, 93, 74, 0.08) 0%, transparent 70%);
  font-family: 'DM Sans', sans-serif;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.quiz-card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 24px;
  width: 100%;
  max-width: 440px;
  padding: 3rem 2.5rem;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5);
  animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.brand {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 2rem;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.brand span {
  color: var(--accent2);
}

.badge-pill {
  display: inline-block;
  background: rgba(245, 197, 66, 0.12);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 0.75rem;
}

h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
}

.subtitle {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 0.4rem;
  display: block;
}

.form-control {
  background: rgba(255, 255, 255, 0.04) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  border-radius: 12px !important;
  color: var(--text) !important;
  padding: 0.75rem 1rem !important;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control::placeholder {
  color: rgba(255, 255, 255, 0.2) !important;
}

.form-control:focus {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px rgba(245, 197, 66, 0.15) !important;
  outline: none;
}

.btn-login {
  background: var(--accent);
  color: #0d0f1a;
  border: none;
  border-radius: 12px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.8rem;
  width: 100%;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  letter-spacing: 0.01em;
}

.btn-login:hover {
  background: #ffd152;
  transform: translateY(-1px);
}

.btn-login:active {
  transform: translateY(0);
}

.divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.8rem;
  margin: 1.5rem 0;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.07);
}

.btn-guest {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  padding: 0.7rem;
  width: 100%;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.btn-guest:hover {
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.04);
}

.footer-text {
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 1.75rem;
}

.footer-text a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.footer-text a:hover {
  text-decoration: underline;
}

.password-wrapper {
  position: relative;
}

.toggle-pw {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: var(--muted);
  font-size: 0.8rem;
  user-select: none;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 500;
}

.toggle-pw:hover {
  color: var(--text);
}

.remember-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.form-check-input {
  background-color: rgba(255, 255, 255, 0.08) !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
  cursor: pointer;
}

.form-check-input:checked {
  background-color: var(--accent) !important;
  border-color: var(--accent) !important;
}

.form-check-label {
  font-size: 0.85rem;
  color: var(--muted);
  cursor: pointer;
}

.forgot-link {
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
}

.forgot-link:hover {
  text-decoration: underline;
}

.stat-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-chip {
  flex: 1;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 0.6rem 0.75rem;
  text-align: center;
}

.stat-chip .num {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
}

.stat-chip .lbl {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.success {
  color: green;
  border: 2px solid green;
  padding: 10px;
  text-align: center;
  margin-bottom: 10px;
}

.error {
  color: red;
  border: 2px solid red;
  padding: 10px;
  text-align: center;
  margin-bottom: 10px;
}