/* ============================================
   LOGIN PAGE — light theme
   ============================================ */

.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: var(--color-background);
}

.login-box {
  background: var(--color-block);
  padding: 40px 36px 32px;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--color-border);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
}

.login-logo {
  display: block;
  width: 72px;
  height: 72px;
  margin: 0 auto 8px;
}

.login-box h1 {
  text-align: center;
  margin-bottom: 24px;
  color: var(--color-text);
  font-size: 22px;
  font-weight: 700;
}

.login-brand-ai {
  color: var(--danger);
  font-weight: 700;
}

.login-box input {
  width: 100%;
  padding: 11px 14px;
  margin-bottom: 10px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-block);
  color: var(--color-text);
  font-size: 14px;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.login-box input::placeholder { color: var(--color-muted); }

.login-box input:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.login-box button {
  width: 100%;
  padding: 11px 14px;
  background: var(--color-secondary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: background var(--transition);
  margin-top: 6px;
}

.login-box button:hover { background: var(--color-hover); }