.login-wrapper {
  min-height: 100vh;
  display: flex;
}

.login-brand {
  width: 40%;
  background: #0F172A;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.login-brand::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(6,182,212,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6,182,212,.06) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: gridMove 20s linear infinite;
}

.login-brand::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(37,99,235,.2) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

@keyframes gridMove {
  0%   { transform: translateY(0); }
  100% { transform: translateY(40px); }
}

.login-brand-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.login-brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 16px;
}

.login-brand-name {
  font-size: 36px;
  font-weight: 700;
  color: #F1F5F9;
  letter-spacing: -1px;
}

.login-brand-name span { color: #06B6D4; }

.login-tagline {
  font-size: 14px;
  color: #64748B;
  margin-top: 8px;
  font-weight: 400;
}

.login-features {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
  width: 100%;
  max-width: 280px;
}

.login-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #64748B;
  font-size: 13px;
}

.login-feature-item .icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: rgba(6,182,212,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #06B6D4;
  flex-shrink: 0;
}

.login-form-panel {
  width: 60%;
  background: #F8FAFC;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

[data-theme="dark"] .login-form-panel { background: #1E293B; }

.login-card { width: 100%; max-width: 420px; }

.login-card-header { margin-bottom: 32px; }

.login-card-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--ch-text);
  margin: 0 0 6px;
}

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

.ch-form-group { margin-bottom: 20px; }

.ch-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--ch-text-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 6px;
}

.ch-input {
  width: 100%;
  padding: 11px 14px;
  background: var(--ch-surface);
  border: 1px solid var(--ch-border);
  border-radius: 8px;
  color: var(--ch-text);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  transition: var(--ch-transition);
  outline: none;
}

.ch-input:focus {
  border-color: var(--ch-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.ch-input-icon { position: relative; }
.ch-input-icon .ch-input { padding-left: 40px; }
.ch-input-icon .input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ch-text-muted);
  width: 16px; height: 16px;
}

.ch-btn-login {
  width: 100%;
  padding: 13px;
  background: linear-gradient(135deg, #2563EB, #06B6D4);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: var(--ch-transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 8px;
}

.ch-btn-login:hover {
  opacity: .92;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(37,99,235,.3);
}

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

.login-theme-toggle {
  position: fixed;
  top: 20px; right: 24px;
  background: var(--ch-surface);
  border: 1px solid var(--ch-border);
  color: var(--ch-text-muted);
  border-radius: 8px;
  padding: 7px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-family: 'Inter', sans-serif;
  transition: var(--ch-transition);
  z-index: 100;
}

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

.login-footer {
  margin-top: 32px;
  text-align: center;
  font-size: 11px;
  color: var(--ch-text-muted);
}

@media (max-width: 768px) {
  .login-brand { display: none; }
  .login-form-panel { width: 100%; }
}