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

html, body {
  height: 100%;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.6;
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(31, 111, 235, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.login-page::after {
  content: '';
  position: absolute;
  bottom: -200px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(31, 111, 235, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.login-wrapper {
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 1;
}

.login-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 48px 40px 40px;
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(31, 111, 235, 0.4), transparent);
}

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

.login-logo-wrap {
  display: block;
  margin: 0 auto 24px;
  overflow: hidden;
  border-radius: 12px;
  inline-size: 82px;
  block-size: 82px;
  line-height: 0;
}

.login-logo-img {
  display: block;
  transform: scale(0.12);
  transform-origin: top left;
}

.login-brand {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 8px;
}

.login-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.login-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

.login-body-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.login-error-box {
  background: rgba(218, 54, 51, 0.08);
  border: 1px solid rgba(218, 54, 51, 0.25);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--accent-red-hover);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.login-error-box i {
  font-size: 14px;
  flex-shrink: 0;
}

.btn-discord-login {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 14px 20px;
  background: #5865f2;
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition);
  letter-spacing: 0.2px;
}

.btn-discord-login:hover {
  background: #4752c4;
  color: #fff;
}

.btn-discord-login i {
  font-size: 20px;
}

.login-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 12px;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.login-security-note {
  background: rgba(31, 111, 235, 0.04);
  border: 1px solid rgba(31, 111, 235, 0.12);
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.login-security-note i {
  color: var(--accent-blue);
  font-size: 13px;
  flex-shrink: 0;
  margin-top: 1px;
}

.login-security-note span {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.login-footer {
  margin-top: 28px;
  text-align: center;
}

.login-footer-text {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

.login-footer-text strong {
  color: var(--text-secondary);
  font-weight: 600;
}

.login-theme-toggle {
  position: fixed;
  top: 16px;
  right: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  padding: 8px 10px;
  z-index: 100;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.login-theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--accent-blue);
}